chore: update lance dependency to v12.0.0-beta.17

Bumps the rust-minor-patch group with 1 update:
[prost](https://github.com/tokio-rs/prost).

Updates `prost` from 0.14.3 to 0.14.4
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/tokio-rs/prost/blob/master/CHANGELOG.md">prost's
changelog</a>.</em></p>
<blockquote>
<h1>Prost version 0.14.4</h1>
<p><em>PROST!</em> is a <a href="https://protobuf.dev/">Protocol
Buffers</a> implementation for the <a
href="https://www.rust-lang.org/">Rust Language</a>. <code>prost</code>
generates simple, idiomatic Rust code from <code>proto2</code> and
<code>proto3</code> files.</p>
<h3>🚀 Features</h3>
<ul>
<li><em>(prost-derive)</em> Make is_valid a constant function (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1401">#1401</a>)</li>
<li>Increase MSRV to 1.85 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1428">#1428</a>)</li>
</ul>
<h3>🐛 Bug Fixes</h3>
<ul>
<li>Use Display instead of Debug for generated enumeration attributes
(<a
href="https://redirect.github.com/tokio-rs/prost/issues/1419">#1419</a>)</li>
<li><em>(prost-derive)</em> Return error for invalid enumeration default
identifiers (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1426">#1426</a>)</li>
<li><em>(build)</em> Grab binary path from cargo (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1429">#1429</a>)</li>
<li><em>(build)</em> Fix C++ build on GCC 15 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1395">#1395</a>)</li>
</ul>
<h3>📚 Documentation</h3>
<ul>
<li>Add example for <code>decode_length_delimiter</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1311">#1311</a>)</li>
<li>Update protobuf-src example to avoid unsafe set_var</li>
</ul>
<h3>🧪 Testing</h3>
<ul>
<li>Test derive Eq behavior (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1422">#1422</a>)</li>
<li><em>(groups)</em> Actually construct <code>NestedGroup</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1363">#1363</a>)</li>
</ul>
<h3>💼 Dependencies</h3>
<ul>
<li><em>(deps)</em> Update criterion requirement from 0.7 to 0.8 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1374">#1374</a>)</li>
<li><em>(deps)</em> Remove <code>getrandom@0.4.1</code> from
build-dependencies (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1400">#1400</a>)</li>
<li><em>(deps)</em> Update rand requirement from 0.9 to 0.10 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1397">#1397</a>)</li>
<li><em>(deps)</em> Bump actions/upload-artifact from 6 to 7 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1409">#1409</a>)</li>
<li><em>(deps)</em> Update <code>cargo clippy</code> to 1.89 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1433">#1433</a>)</li>
<li><em>(deps)</em> Update <code>cargo clippy</code> to 1.91 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1435">#1435</a>)</li>
<li><em>(deps)</em> Update and improve nix devshell (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1393">#1393</a>)</li>
</ul>
<h3>🎨 Styling</h3>
<ul>
<li>Prevent needless borrow (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1404">#1404</a>)</li>
<li>Use <code>std::hint::black_box()</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1403">#1403</a>)</li>
<li>Use variables directly in <code>format!()</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1432">#1432</a>)</li>
<li>Remove explicit <code>.into_iter()</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1434">#1434</a>)</li>
<li>Run clippy on benches (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1405">#1405</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/tokio-rs/prost/commit/13646cde7eab75c81b3047767aa0a86e7dbecf12"><code>13646cd</code></a>
chore: Release version 0.14.4 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1437">#1437</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/dad79d5c8e3549d93ebe6f6c723bb42928d805d8"><code>dad79d5</code></a>
fix(prost-derive): return error for invalid enumeration default
identifiers (...</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/b0b6c93e3aac89df28690a4967a8bbe93ec95391"><code>b0b6c93</code></a>
ci: Update <code>cargo clippy</code> to 1.91 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1435">#1435</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/32cfffbc494f2faf461cab85e04a42412484c0e4"><code>32cfffb</code></a>
style: remove explicit <code>.into_iter()</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1434">#1434</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/2710efdb9978d9c75fb19b0b092a369a2d385b55"><code>2710efd</code></a>
ci: Update <code>cargo clippy</code> to 1.89 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1433">#1433</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/18ea4e42bbc307d33d65e05ad47b3c45623c0500"><code>18ea4e4</code></a>
style: use variables directly in <code>format!()</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1432">#1432</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/2821bd1d8c20137c83ead4db39f8e1da00b4e854"><code>2821bd1</code></a>
build(deps): bump actions/upload-artifact from 6 to 7 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1409">#1409</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/3ce3b39f9206b5e3bbe34c6e1aa69fe3c53f0924"><code>3ce3b39</code></a>
test(groups): Actually construct <code>NestedGroup</code> (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1363">#1363</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/8776405574b3ba0a0fe96ada8799ac8bc61ceb3e"><code>8776405</code></a>
docs: Update changelog for version 0.14.3 (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1431">#1431</a>)</li>
<li><a
href="https://github.com/tokio-rs/prost/commit/33d3ef18c008da13e862d7e7674d751ab2776360"><code>33d3ef1</code></a>
build: Grab binary path from cargo (<a
href="https://redirect.github.com/tokio-rs/prost/issues/1429">#1429</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/tokio-rs/prost/compare/v0.14.3...v0.14.4">compare
view</a></li>
</ul>
</details>
<br />


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.bumpversion.toml

@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.39.0-beta.1"
+current_version = "0.39.0-beta.6"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

.github/workflows/rust.yml

@@ -232,7 +232,10 @@ jobs:
           ALL_FEATURES=`cargo metadata --format-version=1 --no-deps \
             | jq -r '.packages[] | .features | keys | .[]' \
             | grep -v s3-test | sort | uniq | paste -s -d "," -`
-          cargo test --profile ci --features $ALL_FEATURES --locked
+          # Run doctests before test binaries fill the runner disk. Examples are
+          # already built by the Linux job, so avoid retaining them here.
+          cargo test --profile ci --features $ALL_FEATURES --locked --doc
+          cargo test --profile ci --features $ALL_FEATURES --locked --lib --tests
 
   windows:
     strategy:

.github/workflows/typos.yml

@@ -0,0 +1,20 @@
+name: Typo checker
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  run:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+
+      - name: Check spelling of the entire repository
+        uses: crate-ci/typos@6802cc60d4e7f78b9d5454f6cf3935c042d5e1e3 # v1.26.0

.pre-commit-config.yaml

@@ -10,6 +10,10 @@ repos:
     rev: v0.9.9
     hooks:
       - id: ruff
+  - repo: https://github.com/crate-ci/typos
+    rev: v1.26.0
+    hooks:
+      - id: typos
   # - repo: https://github.com/RobertCraigie/pyright-python
   #   rev: v1.1.395
   #   hooks:

.typos.toml

@@ -0,0 +1,19 @@
+[default]
+extend-ignore-re = ["(?Rm)^.*(#|//)\\s*spellchecker:disable-line$"]
+
+[default.extend-words]
+# Azure Kubernetes Service, mentioned in rust/lancedb/src/remote/oauth.rs.
+AKS = "AKS"
+# RabitQ is the name of a vector quantization algorithm, not a typo of "Rabbit".
+Rabit = "Rabit"
+# `VarBuilder::from_mmaped_safetensors` is the real (if oddly-spelled) name of
+# the candle-core API we call in rust/lancedb/src/embeddings/sentence_transformers.rs.
+mmaped = "mmaped"
+# `WriteableBuffer` is the real name of a type from Python's `_typeshed` stubs,
+# used in python/python/lancedb/_blob.py.
+Writeable = "Writeable"
+
+[files]
+extend-exclude = [
+    "*_THIRD_PARTY_LICENSES.*",
+]

Cargo.toml

@@ -13,20 +13,20 @@ categories = ["database-implementations"]
 rust-version = "1.91.0"
 
 [workspace.dependencies]
-lance = { "version" = "=12.0.0-beta.11", default-features = false, "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-core = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-datagen = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-file = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-io = { "version" = "=12.0.0-beta.11", default-features = false, "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-index = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-linalg = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace-impls = { "version" = "=12.0.0-beta.11", default-features = false, "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-table = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-testing = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-datafusion = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-encoding = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
-lance-arrow = { "version" = "=12.0.0-beta.11", "tag" = "v12.0.0-beta.11", "git" = "https://github.com/lance-format/lance.git" }
+lance = { "version" = "=12.0.0-beta.17", default-features = false, "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-core = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-datagen = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-file = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-io = { "version" = "=12.0.0-beta.17", default-features = false, "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-index = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-linalg = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-namespace = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-namespace-impls = { "version" = "=12.0.0-beta.17", default-features = false, "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-table = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-testing = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-datafusion = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-encoding = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
+lance-arrow = { "version" = "=12.0.0-beta.17", "tag" = "v12.0.0-beta.17", "git" = "https://github.com/lance-format/lance.git" }
 lancedb = { path = "rust/lancedb", default-features = false }
 ahash = "0.8"
 # Note that this one does not include pyarrow
@@ -39,6 +39,7 @@ arrow-ord = "58.0.0"
 arrow-schema = "58.0.0"
 arrow-select = "58.0.0"
 arrow-cast = "58.0.0"
+arrow-flight = { version = "58.0.0", features = ["flight-sql-experimental"] }
 async-trait = "0"
 bytes = "1"
 datafusion = { version = "54.0.0", default-features = false }
@@ -59,7 +60,7 @@ log = "0.4"
 metrics = "0.24"
 metrics-util = "0.19"
 moka = { version = "0.12", features = ["future"] }
-object_store = "0.13.2"
+object_store = "0.14.1"
 pin-project = "1.0.7"
 rand = "0.9"
 snafu = "0.8"
@@ -71,7 +72,8 @@ serde = "1"
 serde_json = "1"
 tempfile = "3.5.0"
 tokio = { version = "1.23", features = ["rt-multi-thread", "sync"] }
-uuid = { version = "1.7.0", features = ["v4"] }
+tonic = { version = "0.14", features = ["tls-native-roots", "tls-ring"] }
+uuid = { version = "1.7.0", features = ["v4", "v7"] }
 chrono = { version = "0.4", default-features = false, features = ["clock"] }
 
 [profile.ci]

docs/openapi.yml

@@ -155,7 +155,7 @@ paths:
                 vector:
                   type: FixedSizeList
                   description: |
-                    The targetted vector to search for. Required.
+                    The targeted vector to search for. Required.
                 vector_column:
                   type: string
                   description: |

docs/src/java/java.md

@@ -14,7 +14,7 @@ Add the following dependency to your `pom.xml`:
 <dependency>
     <groupId>com.lancedb</groupId>
     <artifactId>lancedb-core</artifactId>
-    <version>0.39.0-beta.1</version>
+    <version>0.39.0-beta.6</version>
 </dependency>
 ```
 

docs/src/js/classes/Connection.md

@@ -448,26 +448,6 @@ on the returned job to know when cleanup has finished.
 
 ***
 
-### getJob()
-
-```ts
-abstract getJob(jobId): Promise<null | JobDescription>
-```
-
-Describe a single server-side job by id.
-
-Resolves to `null` when the server has no such job.
-
-#### Parameters
-
-* **jobId**: `string`
-
-#### Returns
-
-`Promise`&lt;`null` \| [`JobDescription`](../interfaces/JobDescription.md)&gt;
-
-***
-
 ### isOpen()
 
 ```ts
@@ -482,48 +462,6 @@ Return true if the connection has not been closed
 
 ***
 
-### job()
-
-```ts
-abstract job(jobId): Job
-```
-
-A [Job](Job.md) handle for a server-side job by id.
-
-The handle is constructed without a server round trip; an unknown id
-surfaces when the handle is used. Dropping the handle has no effect on
-the job itself.
-
-#### Parameters
-
-* **jobId**: `string`
-
-#### Returns
-
-[`Job`](Job.md)
-
-***
-
-### jobHistory()
-
-```ts
-abstract jobHistory(jobId?): Promise<Table<any>>
-```
-
-The lifecycle event history of a server-side job, as an Arrow table.
-
-Lists history across all jobs when `jobId` is omitted.
-
-#### Parameters
-
-* **jobId?**: `string`
-
-#### Returns
-
-`Promise`&lt;`Table`&lt;`any`&gt;&gt;
-
-***
-
 ### listJobs()
 
 ```ts
@@ -648,6 +586,30 @@ A page of table names and an
 
 ***
 
+### openJob()
+
+```ts
+abstract openJob(jobId): Promise<Job>
+```
+
+Open a server-side job by id, returning a handle with its record already
+populated. Rejects when the server has no such job, the way
+[Connection.openTable](Connection.md#opentable) does for a missing table.
+
+The returned [Job](Job.md) answers for its own state, specification,
+result, failure and event history, so there is no separate
+connection-level call for any of them.
+
+#### Parameters
+
+* **jobId**: `string`
+
+#### Returns
+
+`Promise`&lt;[`Job`](Job.md)&gt;
+
+***
+
 ### openMaterializedView()
 
 ```ts

docs/src/js/classes/Job.md

@@ -8,19 +8,46 @@
 
 A handle to an operation that may still be running.
 
-## Constructors
+The operation may already be complete when the handle is created.
 
-### new Job()
+The detail getters read what the handle last observed. Submitting an
+operation returns only a job id, so populating them eagerly would cost an
+extra round trip on every call:
+
+- [Job.refresh](Job.md#refresh) and [Job.status](Job.md#status) fetch the whole record.
+- [Job.wait](Job.md#wait) records the terminal state it establishes, but not the
+  rest of the record.
+- Everything is null until one of those runs.
+
+## Accessors
+
+### creationMs
 
 ```ts
-new Job(): Job
+get creationMs(): null | number
 ```
 
+When the job was created, in milliseconds since the epoch.
+
 #### Returns
 
-[`Job`](Job.md)
+`null` \| `number`
 
-## Accessors
+***
+
+### failure
+
+```ts
+get failure(): null | JobFailureInfo
+```
+
+Why the job failed, when it failed and the server reports a reason.
+
+#### Returns
+
+`null` \| [`JobFailureInfo`](../interfaces/JobFailureInfo.md)
+
+***
 
 ### id
 
@@ -28,8 +55,69 @@ new Job(): Job
 get id(): null | string
 ```
 
-Identifies the operation on the server that is running it. Operations
-that run in this process have no server id. The value is opaque.
+Identifies the operation on the server that is running it.
+
+Operations that run in this process have no server id. The value is
+opaque: parsing it or storing it to resume the job later is not supported.
+
+#### Returns
+
+`null` \| `string`
+
+***
+
+### jobType
+
+```ts
+get jobType(): null | string
+```
+
+The job's type, as the server names it. Null for an in-process job, which
+has no server-side record.
+
+#### Returns
+
+`null` \| `string`
+
+***
+
+### result
+
+```ts
+get result(): any
+```
+
+The job-type-specific terminal result. Null until the job succeeds, so a
+job that never terminates reports its progress through [Job.events](Job.md#events)
+instead.
+
+#### Returns
+
+`any`
+
+***
+
+### spec
+
+```ts
+get spec(): any
+```
+
+The job-type-specific specification it was submitted with.
+
+#### Returns
+
+`any`
+
+***
+
+### state
+
+```ts
+get state(): null | string
+```
+
+The last observed lifecycle state, without contacting the backend.
 
 #### Returns
 
@@ -51,18 +139,61 @@ Request cancellation. Cancelling a finished operation is a no-op.
 
 ***
 
+### events()
+
+```ts
+events(options?): Promise<Table<any>>
+```
+
+This job's recorded lifecycle events.
+
+Where the getters above report a terminal result only once the job reaches
+one, events are written as the job runs and outlive the workers that
+produced them. A distributed job records a `claim`/`claim_complete` pair
+per unit of work, each carrying `rows_processed`, so a job that never
+finishes still accounts for what it did.
+
+The server caps results at 1000 rows by default and 10,000 at most, and
+truncates without saying so, so pass `limit` for a job that emits an event
+per fragment. `filter` is a SQL-like expression over the `state`,
+`updated_by`, `emitted_from`, `emitted_by`, and `claim_entity` columns.
+
+#### Parameters
+
+* **options?**: [`JobEventsOptions`](../interfaces/JobEventsOptions.md)
+
+#### Returns
+
+`Promise`&lt;`Table`&lt;`any`&gt;&gt;
+
+***
+
+### refresh()
+
+```ts
+refresh(): Promise<void>
+```
+
+Ask the backend for this job's current state, and for a server-side job
+its full record, then cache it for the getters above.
+
+#### Returns
+
+`Promise`&lt;`void`&gt;
+
+***
+
 ### status()
 
 ```ts
 status(): Promise<string>
 ```
 
-The operation's current lifecycle state: "running", "finished",
-"failed", or "cancelled".
+The operation's current lifecycle state: "running", "finished", "failed",
+or "cancelled".
 
-A point snapshot; unlike [Job.wait](Job.md#wait) it does not block or reject
-on a terminal failure state. States a newer server reports that this
-client version does not know pass through as-is.
+A point snapshot; unlike [Job.wait](Job.md#wait) it does not block or reject on a
+terminal failure state. Also refreshes the getters above.
 
 #### Returns
 
@@ -70,6 +201,22 @@ client version does not know pass through as-is.
 
 ***
 
+### toString()
+
+```ts
+toString(): string
+```
+
+Every field the handle currently knows, one per line, with the JSON
+payloads indented -- a refresh job's spec and result are the point of
+printing it.
+
+#### Returns
+
+`string`
+
+***
+
 ### wait()
 
 ```ts

docs/src/js/classes/MergeInsertBuilder.md

@@ -141,7 +141,7 @@ Currently this causes multiple copies of the row to be created
 but that behavior is subject to change.
 
 An optional condition may be specified.  If it is, then only
-matched rows that satisfy the condtion will be updated.  Any
+matched rows that satisfy the condition will be updated.  Any
 rows that do not satisfy the condition will be left as they
 are.  Failing to satisfy the condition does not cause a
 "matched row" to become a "not matched" row.

docs/src/js/classes/Table.md

@@ -1266,7 +1266,7 @@ value is 0")
 Note: if your condition is something like "some_id_column == 7" and
 you are updating many rows (with different ids) then you will get
 better performance with a single [`merge_insert`] call instead of
-repeatedly calilng this method.
+repeatedly calling this method.
 
 ##### Parameters
 

docs/src/js/globals.md

@@ -96,7 +96,7 @@
 - [IvfFlatOptions](interfaces/IvfFlatOptions.md)
 - [IvfPqOptions](interfaces/IvfPqOptions.md)
 - [IvfRqOptions](interfaces/IvfRqOptions.md)
-- [JobDescription](interfaces/JobDescription.md)
+- [JobEventsOptions](interfaces/JobEventsOptions.md)
 - [JobFailureInfo](interfaces/JobFailureInfo.md)
 - [JobInfo](interfaces/JobInfo.md)
 - [ListNamespacesOptions](interfaces/ListNamespacesOptions.md)

docs/src/js/interfaces/HnswPqOptions.md

@@ -118,7 +118,7 @@ Number of sub-vectors of PQ.
 This value controls how much the vector is compressed during the quantization step.
 The more sub vectors there are the less the vector is compressed.  The default is
 the dimension of the vector divided by 16.  If the dimension is not evenly divisible
-by 16 we use the dimension divded by 8.
+by 16 we use the dimension divided by 8.
 
 The above two cases are highly preferred.  Having 8 or 16 values per subvector allows
 us to use efficient SIMD instructions.

docs/src/js/interfaces/IndexOptions.md

@@ -16,7 +16,7 @@ optional config: Index;
 
 Advanced index configuration
 
-This option allows you to specify a specfic index to create and also
+This option allows you to specify a specific index to create and also
 allows you to pass in configuration for training the index.
 
 See the static methods on Index for details on the various index types.
@@ -50,7 +50,7 @@ If this is false, and another index already exists on the same columns
 and the same name, then an error will be returned.  This is true even if
 that index is out of date.
 
-The default is false
+The default is true
 
 ***
 

docs/src/js/interfaces/IvfPqOptions.md

@@ -112,7 +112,7 @@ Number of sub-vectors of PQ.
 This value controls how much the vector is compressed during the quantization step.
 The more sub vectors there are the less the vector is compressed.  The default is
 the dimension of the vector divided by 16.  If the dimension is not evenly divisible
-by 16 we use the dimension divded by 8.
+by 16 we use the dimension divided by 8.
 
 The above two cases are highly preferred.  Having 8 or 16 values per subvector allows
 us to use efficient SIMD instructions.

docs/src/js/interfaces/JobDescription.md

@@ -1,66 +0,0 @@
-[**@lancedb/lancedb**](../README.md) • **Docs**
-
-***
-
-[@lancedb/lancedb](../globals.md) / JobDescription
-
-# Interface: JobDescription
-
-A described job from `Connection.getJob`.
-
-## Properties
-
-### creationMs
-
-```ts
-creationMs: number;
-```
-
-When the job was created, in milliseconds since the epoch.
-
-***
-
-### failure?
-
-```ts
-optional failure: JobFailureInfo;
-```
-
-Why the job failed, when the job is failed and the server reports a
-reason.
-
-***
-
-### jobId
-
-```ts
-jobId: string;
-```
-
-***
-
-### jobType
-
-```ts
-jobType: string;
-```
-
-***
-
-### specJson?
-
-```ts
-optional specJson: string;
-```
-
-The job-type-specific specification as a JSON string, when present.
-
-***
-
-### state
-
-```ts
-state: string;
-```
-
-Lifecycle state: "running", "finished", "failed", or "cancelled".

docs/src/js/interfaces/JobEventsOptions.md

@@ -0,0 +1,29 @@
+[**@lancedb/lancedb**](../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../globals.md) / JobEventsOptions
+
+# Interface: JobEventsOptions
+
+Which of a job's events [Job.events](../classes/Job.md#events) returns.
+
+## Properties
+
+### filter?
+
+```ts
+optional filter: string;
+```
+
+SQL-like filter over the event columns.
+
+***
+
+### limit?
+
+```ts
+optional limit: number;
+```
+
+Maximum event rows to return, up to the server maximum of 10,000.

docs/src/js/interfaces/JobInfo.md

@@ -26,7 +26,7 @@ When the job was created, in milliseconds since the epoch.
 jobId: string;
 ```
 
-The job id -- what `Connection.getJob` and `Connection.cancelJob`
+The job id -- what `Connection.openJob` and `Connection.cancelJob`
 accept.
 
 ***

docs/src/python/python.md

@@ -28,6 +28,59 @@ is also an [asynchronous API client](#connections-asynchronous).
 
 ::: lancedb.Session
 
+## Remote SQL
+
+Submit SQL against a remote LanceDB database through the connection.
+The connected database and `default_namespace_path=["public"]` are used for
+unqualified tables. Fully qualified references can still query other databases
+and namespaces available to the same deployment. `execute_query` returns a
+reader as soon as its initial result stream is available. `execute_query_async`
+returns a query handle immediately; use it to inspect progress, open a reader,
+or cancel the query. The SQL client is initialized by the first query and
+retained for the lifetime of the remote connection. Query ids are random,
+connection-scoped references rather than encoded SQL or durable resume tokens:
+
+```python
+import lancedb
+
+db = lancedb.connect(
+    "db://analytics",
+    api_key="ldb_...",
+    host_override="https://api.example.com",
+    sql_host_override="grpc+tls://sql.example.com:10026",
+)
+reader = db.execute_query(
+    """
+    SELECT events.id, accounts.name
+    FROM analytics.public.events AS events
+    JOIN users.public.accounts AS accounts ON events.user_id = accounts.id
+    """,
+    default_namespace_path=["public"],
+)
+for batch in reader:
+    print(batch.num_rows)
+
+query = db.execute_query_async("SELECT * FROM events")
+print(query.id)
+print(query.describe().status)
+for batch in query.reader():
+    print(batch.num_rows)
+
+# The async connection exposes the same lifecycle without blocking:
+# async_db = await lancedb.connect_async(
+#     "db://analytics",
+#     api_key="ldb_...",
+#     host_override="https://api.example.com",
+#     sql_host_override="grpc+tls://sql.example.com:10026",
+# )
+# reader = await async_db.execute_query("SELECT * FROM events")
+# query = await async_db.execute_query_async("SELECT * FROM events")
+# description = await async_db.describe_query(query.id)
+# async for batch in await query.reader():
+#     print(batch.num_rows)
+# await query.cancel()
+```
+
 ## Namespaces (Synchronous)
 
 A namespace-backed connection resolves tables through a
@@ -94,6 +147,8 @@ listing a storage directory.
 
 ::: lancedb.functions.OutputMapping
 
+::: lancedb.functions.AssignmentMapping
+
 ::: lancedb.functions.FunctionBinding
 
 ::: lancedb.functions.RefreshColumnResult
@@ -102,6 +157,18 @@ listing a storage directory.
 
 ::: lancedb.job.AsyncJob
 
+::: lancedb.job.JobInfo
+
+::: lancedb.job.JobDescription
+
+::: lancedb.job.JobFailureInfo
+
+::: lancedb.sql.Query
+
+::: lancedb.sql.AsyncQuery
+
+::: lancedb.sql.QueryDescription
+
 ## Materialized Views (Synchronous)
 
 ::: lancedb.materialized_view.MaterializedView
@@ -249,6 +316,12 @@ still work. Queries return descriptors. Call
 
 ::: lancedb.exceptions.MissingColumnError
 
+::: lancedb.exceptions.JobNotFoundError
+
+::: lancedb.exceptions.JobFailedError
+
+::: lancedb.exceptions.JobCancelledError
+
 ## Integrations
 
 ## Pydantic

java/lancedb-core/pom.xml

@@ -8,7 +8,7 @@
     <parent>
       <groupId>com.lancedb</groupId>
       <artifactId>lancedb-parent</artifactId>
-      <version>0.39.0-beta.1</version>
+      <version>0.39.0-beta.6</version>
       <relativePath>../pom.xml</relativePath>
     </parent>
 

java/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.lancedb</groupId>
     <artifactId>lancedb-parent</artifactId>
-    <version>0.39.0-beta.1</version>
+    <version>0.39.0-beta.6</version>
     <packaging>pom</packaging>
     <name>${project.artifactId}</name>
     <description>LanceDB Java SDK Parent POM</description>
@@ -28,7 +28,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <arrow.version>15.0.0</arrow.version>
-        <lance-core.version>12.0.0-beta.11</lance-core.version>
+        <lance-core.version>12.0.0-beta.17</lance-core.version>
         <spotless.skip>false</spotless.skip>
         <spotless.version>2.30.0</spotless.version>
         <spotless.java.googlejavaformat.version>1.7</spotless.java.googlejavaformat.version>

nodejs/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "lancedb-nodejs"
 edition.workspace = true
-version = "0.39.0-beta.1"
+version = "0.39.0-beta.6"
 publish = false
 license.workspace = true
 description.workspace = true

nodejs/__test__/remote.test.ts

@@ -939,6 +939,7 @@ describe("remote connection jobs surface", () => {
     const { tableFromArrays, tableToIPC } = await import("apache-arrow");
     const eventsTable = tableFromArrays({ state: ["created", "succeeded"] });
     const eventsBody = Buffer.from(tableToIPC(eventsTable, "stream"));
+    const queryEventsPayloads: Record<string, unknown>[] = [];
 
     await withMockDatabase(
       (req, res) => {
@@ -967,6 +968,16 @@ describe("remote connection jobs surface", () => {
                 );
             }
           } else if (req.url === "/v1/jobs/describe") {
+            if (payload["job_id"] === "job-2") {
+              res
+                .writeHead(200, { "Content-Type": "application/json" })
+                .end(
+                  '{"job_id": "job-2", "job_type": "refresh_column", ' +
+                    '"job_state": "DONE", "creation_ms": 2000, ' +
+                    '"result": {"rows_assigned": 1000000}}',
+                );
+              return;
+            }
             if (payload["job_id"] !== "job-1") {
               res.writeHead(404).end("no such job");
               return;
@@ -988,6 +999,7 @@ describe("remote connection jobs surface", () => {
               .writeHead(200, { "Content-Type": "application/json" })
               .end('{"job_id": "job-1"}');
           } else if (req.url === "/v1/jobs/query_events") {
+            queryEventsPayloads.push(payload);
             res
               .writeHead(200, {
                 "Content-Type": "application/vnd.apache.arrow.stream",
@@ -1004,22 +1016,65 @@ describe("remote connection jobs surface", () => {
         expect(jobs[0].state).toEqual("running");
         expect(jobs[1].state).toEqual("finished");
 
-        const description = await db.getJob("job-1");
-        expect(description?.state).toEqual("failed");
-        expect(JSON.parse(description?.specJson ?? "")).toEqual({
-          column: "vec",
-        });
-        expect(description?.failure?.message).toEqual("worker died");
-        expect(await db.getJob("missing")).toBeNull();
-
         expect(await db.cancelJob("job-1")).toBe(true);
         expect(await db.cancelJob("missing")).toBe(false);
 
-        const history = await db.jobHistory("job-1");
-        expect(history.numRows).toEqual(2);
+        // Opening a job hands back a populated handle; a missing one rejects.
+        await expect(db.openJob("missing")).rejects.toThrow("not found");
+        const finished = await db.openJob("job-2");
+        expect(finished.state).toEqual("finished");
+        expect(finished.result).toEqual({
+          // biome-ignore lint/style/useNamingConvention: snake_case mandated by the server wire format
+          rows_assigned: 1000000,
+        });
 
-        const job = db.job("job-1");
+        const job = await db.openJob("job-1");
         expect(job.id).toEqual("job-1");
+
+        // openJob already populated the handle; refresh() re-reads it.
+        expect(job.state).toEqual("failed");
+        await job.refresh();
+        expect(job.state).toEqual("failed");
+        expect(job.jobType).toEqual("create_index");
+        expect(job.creationMs).toEqual(1000);
+        expect(job.spec).toEqual({ column: "vec" });
+        expect(job.result).toBeNull();
+        expect(job.failure?.message).toEqual("worker died");
+
+        // The handle reaches its own events, supplying its job id.
+        const jobEvents = await job.events({
+          limit: 500,
+          filter: "state = 'claim_complete'",
+        });
+        expect(jobEvents.numRows).toEqual(2);
+        expect(queryEventsPayloads.pop()).toEqual({
+          // biome-ignore lint/style/useNamingConvention: snake_case mandated by the server wire format
+          job_id: "job-1",
+          limit: 500,
+          filter: "state = 'claim_complete'",
+        });
+
+        // Printing lays every known field out on its own line, with the JSON
+        // payloads indented rather than crammed onto one line.
+        expect(`${job}`).toEqual(
+          [
+            "Job(",
+            '    id="job-1",',
+            '    state="failed",',
+            '    jobType="create_index",',
+            "    creationMs=1000,",
+            "    spec={",
+            '        "column": "vec"',
+            "    },",
+            "    failure={",
+            '        "phase": "execute",',
+            '        "message": "worker died",',
+            '        "retryable": true',
+            "    },",
+            ")",
+          ].join("\n"),
+        );
+
         expect(await job.status()).toEqual("failed");
         await expect(job.wait()).rejects.toThrow("worker died");
       },

nodejs/__test__/table.test.ts

@@ -281,7 +281,7 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
         numIndices: 0,
         numRows: 3,
         // Full on-disk size of the two data files, footers and metadata included.
-        totalBytes: 684,
+        totalBytes: 550,
       });
 
       // Index files count toward totalBytes too (only deletion files and
@@ -289,7 +289,7 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
       await table.createIndex("id", { config: Index.btree() });
       const statsWithIndex = await table.stats();
       expect(statsWithIndex.numIndices).toBe(1);
-      expect(statsWithIndex.totalBytes).toBeGreaterThan(684);
+      expect(statsWithIndex.totalBytes).toBeGreaterThan(550);
     });
 
     it("should overwrite data if asked", async () => {
@@ -1526,7 +1526,11 @@ describe("When creating an index", () => {
 
   it("should allow me to replace (or not) an existing index", async () => {
     await tbl.createIndex("id");
-    await expect(tbl.createIndex("id")).rejects.toThrow("already exists");
+    // Default is replace=true
+    await tbl.createIndex("id");
+    await expect(tbl.createIndex("id", { replace: false })).rejects.toThrow(
+      "already exists",
+    );
     await tbl.createIndex("id", { replace: true });
   });
 
@@ -3248,7 +3252,7 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
       const db = await connect(tmpDir.name);
       const data = [
         { text: "fa", vector: [0.1, 0.2, 0.3] },
-        { text: "fo", vector: [0.4, 0.5, 0.6] },
+        { text: "fo", vector: [0.4, 0.5, 0.6] }, // spellchecker:disable-line
         { text: "fob", vector: [0.4, 0.5, 0.6] },
         { text: "focus", vector: [0.4, 0.5, 0.6] },
         { text: "foo", vector: [0.4, 0.5, 0.6] },
@@ -3273,7 +3277,7 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
       const resultSet = new Set(fuzzyResults.map((r) => r.text));
       expect(resultSet.has("foo")).toBe(true);
       expect(resultSet.has("fob")).toBe(true);
-      expect(resultSet.has("fo")).toBe(true);
+      expect(resultSet.has("fo")).toBe(true); // spellchecker:disable-line
       expect(resultSet.has("food")).toBe(true);
 
       const prefixResults = await table

nodejs/lancedb/arrow.ts

@@ -600,7 +600,7 @@ function makeVector(
   }
   if (values.length === 0) {
     throw Error(
-      "makeVector requires at least one value or the type must be specfied",
+      "makeVector requires at least one value or the type must be specified",
     );
   }
   const sampleValue = values.find((val) => val !== null && val !== undefined);
@@ -858,7 +858,7 @@ async function applyEmbeddings<T>(
  * customized by the `embeddingDataType` property of the embedding function.
  *
  * If a schema is provided in `makeTableOptions` then it should include the
- * embedding columns.  If no schema is provded then embedding columns will
+ * embedding columns.  If no schema is provided then embedding columns will
  * be placed at the end of the table, after all of the input columns.
  */
 export async function convertToTable(

nodejs/lancedb/connection.ts

@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright The LanceDB Authors
 
-import { tableFromIPC } from "apache-arrow";
 import {
   Data,
   SchemaLike,
@@ -16,6 +15,7 @@ import {
   makeEmptyTable,
 } from "./arrow";
 import { EmbeddingFunctionConfig, getRegistry } from "./embedding/registry";
+import { Job } from "./job";
 import {
   MaterializedView,
   MaterializedViewSelect,
@@ -27,8 +27,6 @@ import type {
   CreateNamespaceResponse,
   DescribeNamespaceResponse,
   DropNamespaceResponse,
-  Job,
-  JobDescription,
   JobInfo,
   ListNamespacesResponse,
   ListTablesResponse,
@@ -557,24 +555,19 @@ export abstract class Connection {
   ): Promise<void>;
 
   /**
-   * A {@link Job} handle for a server-side job by id.
+   * Open a server-side job by id, returning a handle with its record already
+   * populated. Rejects when the server has no such job, the way
+   * {@link Connection.openTable} does for a missing table.
    *
-   * The handle is constructed without a server round trip; an unknown id
-   * surfaces when the handle is used. Dropping the handle has no effect on
-   * the job itself.
+   * The returned {@link Job} answers for its own state, specification,
+   * result, failure and event history, so there is no separate
+   * connection-level call for any of them.
    */
-  abstract job(jobId: string): Job;
+  abstract openJob(jobId: string): Promise<Job>;
 
   /** List server-side jobs across the database's tables. */
   abstract listJobs(): Promise<JobInfo[]>;
 
-  /**
-   * Describe a single server-side job by id.
-   *
-   * Resolves to `null` when the server has no such job.
-   */
-  abstract getJob(jobId: string): Promise<JobDescription | null>;
-
   /**
    * Request cancellation of a server-side job by id.
    *
@@ -582,13 +575,6 @@ export abstract class Connection {
    * such job exists. Cancelling an already-terminal job is a no-op success.
    */
   abstract cancelJob(jobId: string): Promise<boolean>;
-
-  /**
-   * The lifecycle event history of a server-side job, as an Arrow table.
-   *
-   * Lists history across all jobs when `jobId` is omitted.
-   */
-  abstract jobHistory(jobId?: string): Promise<ArrowTable>;
 }
 
 /** @hideconstructor */
@@ -869,7 +855,7 @@ export class LocalConnection extends Connection {
   }
 
   async dropTableAsync(name: string, namespacePath?: string[]): Promise<Job> {
-    return this.inner.dropTableAsync(name, namespacePath ?? []);
+    return new Job(await this.inner.dropTableAsync(name, namespacePath ?? []));
   }
 
   async dropAllTables(namespacePath?: string[]): Promise<void> {
@@ -928,29 +914,17 @@ export class LocalConnection extends Connection {
     );
   }
 
-  job(jobId: string): Job {
-    return this.inner.job(jobId);
+  async openJob(jobId: string): Promise<Job> {
+    return new Job(await this.inner.openJob(jobId));
   }
 
   async listJobs(): Promise<JobInfo[]> {
     return this.inner.listJobs();
   }
 
-  async getJob(jobId: string): Promise<JobDescription | null> {
-    return this.inner.getJob(jobId);
-  }
-
   async cancelJob(jobId: string): Promise<boolean> {
     return this.inner.cancelJob(jobId);
   }
-
-  async jobHistory(jobId?: string): Promise<ArrowTable> {
-    const buf = await this.inner.jobHistory(jobId);
-    if (buf.length === 0) {
-      return new ArrowTable();
-    }
-    return tableFromIPC(buf);
-  }
 }
 
 /**

nodejs/lancedb/index.ts

@@ -94,13 +94,9 @@ export {
   RenameTableOptions,
 } from "./connection";
 
-export {
-  Job,
-  JobDescription,
-  JobFailureInfo,
-  JobInfo,
-  Session,
-} from "./native.js";
+export { JobFailureInfo, JobInfo, Session } from "./native.js";
+
+export { Job, JobEventsOptions } from "./job";
 
 export {
   AutoQuery,

nodejs/lancedb/indices.ts

@@ -26,7 +26,7 @@ export interface IvfPqOptions {
    * This value controls how much the vector is compressed during the quantization step.
    * The more sub vectors there are the less the vector is compressed.  The default is
    * the dimension of the vector divided by 16.  If the dimension is not evenly divisible
-   * by 16 we use the dimension divded by 8.
+   * by 16 we use the dimension divided by 8.
    *
    * The above two cases are highly preferred.  Having 8 or 16 values per subvector allows
    * us to use efficient SIMD instructions.
@@ -228,7 +228,7 @@ export interface HnswPqOptions {
    * This value controls how much the vector is compressed during the quantization step.
    * The more sub vectors there are the less the vector is compressed.  The default is
    * the dimension of the vector divided by 16.  If the dimension is not evenly divisible
-   * by 16 we use the dimension divded by 8.
+   * by 16 we use the dimension divided by 8.
    *
    * The above two cases are highly preferred.  Having 8 or 16 values per subvector allows
    * us to use efficient SIMD instructions.
@@ -825,7 +825,7 @@ export interface IndexOptions {
   /**
    * Advanced index configuration
    *
-   * This option allows you to specify a specfic index to create and also
+   * This option allows you to specify a specific index to create and also
    * allows you to pass in configuration for training the index.
    *
    * See the static methods on Index for details on the various index types.
@@ -841,7 +841,7 @@ export interface IndexOptions {
    * and the same name, then an error will be returned.  This is true even if
    * that index is out of date.
    *
-   * The default is false
+   * The default is true
    */
   replace?: boolean;
 

nodejs/lancedb/job.ts

@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright The LanceDB Authors
+
+import { Table as ArrowTable, tableFromIPC } from "apache-arrow";
+import { JobFailureInfo, Job as NativeJob } from "./native";
+
+/** Which of a job's events {@link Job.events} returns. */
+export interface JobEventsOptions {
+  /** Maximum event rows to return, up to the server maximum of 10,000. */
+  limit?: number;
+  /** SQL-like filter over the event columns. */
+  filter?: string;
+}
+
+/**
+ * A handle to an operation that may still be running.
+ *
+ * The operation may already be complete when the handle is created.
+ *
+ * The detail getters read what the handle last observed. Submitting an
+ * operation returns only a job id, so populating them eagerly would cost an
+ * extra round trip on every call:
+ *
+ * - {@link Job.refresh} and {@link Job.status} fetch the whole record.
+ * - {@link Job.wait} records the terminal state it establishes, but not the
+ *   rest of the record.
+ * - Everything is null until one of those runs.
+ *
+ * @hideconstructor
+ */
+export class Job {
+  private readonly inner: NativeJob;
+
+  constructor(inner: NativeJob) {
+    this.inner = inner;
+  }
+
+  /**
+   * Identifies the operation on the server that is running it.
+   *
+   * Operations that run in this process have no server id. The value is
+   * opaque: parsing it or storing it to resume the job later is not supported.
+   */
+  get id(): string | null {
+    return this.inner.id ?? null;
+  }
+
+  /** The last observed lifecycle state, without contacting the backend. */
+  get state(): string | null {
+    return this.inner.state ?? null;
+  }
+
+  /**
+   * The job's type, as the server names it. Null for an in-process job, which
+   * has no server-side record.
+   */
+  get jobType(): string | null {
+    return this.inner.jobType ?? null;
+  }
+
+  /** When the job was created, in milliseconds since the epoch. */
+  get creationMs(): number | null {
+    return this.inner.creationMs ?? null;
+  }
+
+  /** The job-type-specific specification it was submitted with. */
+  // biome-ignore lint/suspicious/noExplicitAny: shape varies by job type
+  get spec(): any | null {
+    return parseJson(this.inner.specJson);
+  }
+
+  /**
+   * The job-type-specific terminal result. Null until the job succeeds, so a
+   * job that never terminates reports its progress through {@link Job.events}
+   * instead.
+   */
+  // biome-ignore lint/suspicious/noExplicitAny: shape varies by job type
+  get result(): any | null {
+    return parseJson(this.inner.resultJson);
+  }
+
+  /** Why the job failed, when it failed and the server reports a reason. */
+  get failure(): JobFailureInfo | null {
+    return this.inner.failure ?? null;
+  }
+
+  /**
+   * The operation's current lifecycle state: "running", "finished", "failed",
+   * or "cancelled".
+   *
+   * A point snapshot; unlike {@link Job.wait} it does not block or reject on a
+   * terminal failure state. Also refreshes the getters above.
+   */
+  async status(): Promise<string> {
+    return this.inner.status();
+  }
+
+  /** Wait until the operation reaches a terminal state. */
+  async wait(): Promise<void> {
+    return this.inner.wait();
+  }
+
+  /** Request cancellation. Cancelling a finished operation is a no-op. */
+  async cancel(): Promise<void> {
+    return this.inner.cancel();
+  }
+
+  /**
+   * Ask the backend for this job's current state, and for a server-side job
+   * its full record, then cache it for the getters above.
+   */
+  async refresh(): Promise<void> {
+    return this.inner.refresh();
+  }
+
+  /**
+   * This job's recorded lifecycle events.
+   *
+   * Where the getters above report a terminal result only once the job reaches
+   * one, events are written as the job runs and outlive the workers that
+   * produced them. A distributed job records a `claim`/`claim_complete` pair
+   * per unit of work, each carrying `rows_processed`, so a job that never
+   * finishes still accounts for what it did.
+   *
+   * The server caps results at 1000 rows by default and 10,000 at most, and
+   * truncates without saying so, so pass `limit` for a job that emits an event
+   * per fragment. `filter` is a SQL-like expression over the `state`,
+   * `updated_by`, `emitted_from`, `emitted_by`, and `claim_entity` columns.
+   */
+  async events(options?: JobEventsOptions): Promise<ArrowTable> {
+    const buf = await this.inner.events(options?.limit, options?.filter);
+    if (buf.length === 0) {
+      return new ArrowTable();
+    }
+    return tableFromIPC(buf);
+  }
+
+  /**
+   * Every field the handle currently knows, one per line, with the JSON
+   * payloads indented -- a refresh job's spec and result are the point of
+   * printing it.
+   */
+  toString(): string {
+    if (this.state === null) {
+      const known = this.id === null ? "" : `id=${JSON.stringify(this.id)}, `;
+      return `Job(${known}not refreshed)`;
+    }
+    const fields: string[] = [];
+    if (this.id !== null) {
+      fields.push(`id=${JSON.stringify(this.id)}`);
+    }
+    fields.push(`state=${JSON.stringify(this.state)}`);
+    if (this.jobType !== null) {
+      fields.push(`jobType=${JSON.stringify(this.jobType)}`);
+    }
+    if (this.creationMs !== null) {
+      fields.push(`creationMs=${this.creationMs}`);
+    }
+    for (const [name, value] of [
+      ["spec", this.spec],
+      ["result", this.result],
+    ] as const) {
+      if (value !== null) {
+        fields.push(`${name}=${indentJson(value)}`);
+      }
+    }
+    if (this.failure !== null) {
+      fields.push(`failure=${indentJson(this.failure)}`);
+    }
+    return `Job(${fields.map((field) => `\n${REPR_INDENT}${field},`).join("")}\n)`;
+  }
+
+  [Symbol.for("nodejs.util.inspect.custom")](): string {
+    return this.toString();
+  }
+}
+
+const REPR_INDENT = "    ";
+
+// biome-ignore lint/suspicious/noExplicitAny: shape varies by job type
+function indentJson(value: any): string {
+  return JSON.stringify(value, null, 4).replace(/\n/g, `\n${REPR_INDENT}`);
+}
+
+// biome-ignore lint/suspicious/noExplicitAny: shape varies by job type
+function parseJson(raw: string | null | undefined): any | null {
+  return raw === null || raw === undefined ? null : JSON.parse(raw);
+}

nodejs/lancedb/merge.ts

@@ -27,7 +27,7 @@ export class MergeInsertBuilder {
    * but that behavior is subject to change.
    *
    * An optional condition may be specified.  If it is, then only
-   * matched rows that satisfy the condtion will be updated.  Any
+   * matched rows that satisfy the condition will be updated.  Any
    * rows that do not satisfy the condition will be left as they
    * are.  Failing to satisfy the condition does not cause a
    * "matched row" to become a "not matched" row.

nodejs/lancedb/sanitize.ts

@@ -3,7 +3,7 @@
 
 // The utilities in this file help sanitize data from the user's arrow
 // library into the types expected by vectordb's arrow library.  Node
-// generally allows for mulitple versions of the same library (and sometimes
+// generally allows for multiple versions of the same library (and sometimes
 // even multiple copies of the same version) to be installed at the same
 // time.  However, arrow-js uses instanceof which expected that the input
 // comes from the exact same library instance.  This is not always the case

nodejs/lancedb/table.ts

@@ -19,6 +19,7 @@ import {
 
 import { EmbeddingFunctionConfig, getRegistry } from "./embedding/registry";
 import { IndexOptions } from "./indices";
+import { Job } from "./job";
 import { MergeInsertBuilder } from "./merge";
 import {
   AddColumnsResult,
@@ -30,7 +31,6 @@ import {
   DropColumnsResult,
   IndexConfig,
   IndexStatistics,
-  Job,
   LsmStats,
   Branches as NativeBranches,
   OptimizeStats,
@@ -313,7 +313,7 @@ export abstract class Table {
    * Note: if your condition is something like "some_id_column == 7" and
    * you are updating many rows (with different ids) then you will get
    * better performance with a single [`merge_insert`] call instead of
-   * repeatedly calilng this method.
+   * repeatedly calling this method.
    * @param {Map<string, string> | Record<string, string>} updates - the
    * columns to update
    * @returns {Promise<UpdateResult>} A promise that resolves to an object
@@ -1124,13 +1124,15 @@ export class LocalTable extends Table {
   ): Promise<Job> {
     // biome-ignore lint/suspicious/noExplicitAny: skip
     const nativeIndex = (options?.config as any)?.inner;
-    return await this.inner.createIndexAsync(
-      nativeIndex,
-      column,
-      options?.replace,
-      options?.waitTimeoutSeconds,
-      options?.name,
-      options?.train,
+    return new Job(
+      await this.inner.createIndexAsync(
+        nativeIndex,
+        column,
+        options?.replace,
+        options?.waitTimeoutSeconds,
+        options?.name,
+        options?.train,
+      ),
     );
   }
 
@@ -1313,7 +1315,7 @@ export class LocalTable extends Table {
   }
 
   async refreshColumnAsync(column: string): Promise<Job> {
-    return await this.inner.refreshColumnAsync(column);
+    return new Job(await this.inner.refreshColumnAsync(column));
   }
 
   async refreshMaterializedView(

nodejs/npm/darwin-arm64/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-darwin-arm64",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["darwin"],
 	"cpu": ["arm64"],
 	"main": "lancedb.darwin-arm64.node",

nodejs/npm/linux-arm64-gnu/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-gnu",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-gnu.node",

nodejs/npm/linux-arm64-musl/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-musl",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-musl.node",

nodejs/npm/linux-x64-gnu/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-gnu",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-gnu.node",

nodejs/npm/linux-x64-musl/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-musl",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-musl.node",

nodejs/npm/win32-arm64-msvc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@lancedb/lancedb-win32-arm64-msvc",
-  "version": "0.39.0-beta.1",
+  "version": "0.39.0-beta.6",
   "os": [
     "win32"
   ],

nodejs/npm/win32-x64-msvc/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-win32-x64-msvc",
-	"version": "0.39.0-beta.1",
+	"version": "0.39.0-beta.6",
 	"os": ["win32"],
 	"cpu": ["x64"],
 	"main": "lancedb.win32-x64-msvc.node",

nodejs/package.json

@@ -11,7 +11,7 @@
     "ann"
   ],
   "private": false,
-  "version": "0.39.0-beta.1",
+  "version": "0.39.0-beta.6",
   "main": "dist/index.js",
   "exports": {
     ".": "./dist/index.js",

nodejs/pnpm-lock.yaml

@@ -41,7 +41,7 @@ importers:
         version: 3.7.0(@emnapi/core@1.10.0)(@emnapi/runtime@1.11.3)(@types/node@22.7.4)
       '@opentelemetry/sdk-metrics':
         specifier: ^2.10.0
-        version: 2.10.0(@opentelemetry/api@1.9.1)
+        version: 2.11.0(@opentelemetry/api@1.9.1)
       '@types/axios':
         specifier: ^0.14.0
         version: 0.14.4
@@ -80,7 +80,7 @@ importers:
         version: 0.2.7
       ts-jest:
         specifier: ^29.1.2
-        version: 29.4.9(@babel/core@7.29.7)(@jest/transform@29.7.0)(@jest/types@29.6.3)(babel-jest@29.7.0(@babel/core@7.29.7))(jest-util@29.7.0)(jest@29.7.0(@types/node@22.7.4))(typescript@5.5.4)
+        version: 29.4.12(@babel/core@7.29.7)(@jest/transform@29.7.0)(@jest/types@29.6.3)(babel-jest@29.7.0(@babel/core@7.29.7))(jest-util@29.7.0)(jest@29.7.0(@types/node@22.7.4))(typescript@5.5.4)
       typedoc:
         specifier: 0.26.4
         version: 0.26.4(typescript@5.5.4)
@@ -1394,20 +1394,20 @@ packages:
     resolution: {integrity: sha512-gLyJlPHPZYdAk1JENA9LeHejZe1Ti77/pTeFm/nMXmQH/HFZlcS/O2XJB+L8fkbrNSqhdtlvjBVjxwUYanNH5Q==}
     engines: {node: '>=8.0.0'}
 
-  '@opentelemetry/core@2.10.0':
-    resolution: {integrity: sha512-/wNZ8twnEQQA4HoHu22+vcsdru6pWPWxW+7w+FlxT6Id7PE/WIbZmVKkte+PF72e0F2dnImFeHD2syyE1Mw6MQ==}
+  '@opentelemetry/core@2.11.0':
+    resolution: {integrity: sha512-7YP44XH0tV6+Mb54x2YGf84i7yi+31MBZlE8JwvozkxyTvXbSp10X7cI7YE49ChJ3shMJoBmCJF3+1QFBJctGA==}
     engines: {node: ^18.19.0 || >=20.6.0}
     peerDependencies:
       '@opentelemetry/api': '>=1.0.0 <1.10.0'
 
-  '@opentelemetry/resources@2.10.0':
-    resolution: {integrity: sha512-q6MMm2zhggzsHVNbabYwut+a6nbuQQe3URUoxaojM/8K1IBfwwPzvxIjNi2/lI1TFe+fMHMW9MWhrtDLEXEnkA==}
+  '@opentelemetry/resources@2.11.0':
+    resolution: {integrity: sha512-Ie7+8q8MDF4FAEQCKVMTx3ReUvxiIAgIiiW3c9JdmP8+HMcDy20puT+AHjexnExgnbvBxjQ9fjkFDWrikJ2jQA==}
     engines: {node: ^18.19.0 || >=20.6.0}
     peerDependencies:
       '@opentelemetry/api': '>=1.3.0 <1.10.0'
 
-  '@opentelemetry/sdk-metrics@2.10.0':
-    resolution: {integrity: sha512-t6r1VSvXNtSDnPXU1FbZeetJb7yyovHmgu0wRSoftxtE0g2rSNhQZQUy69sRUCL+iioJpX8SN/S6wq6ZtvLySQ==}
+  '@opentelemetry/sdk-metrics@2.11.0':
+    resolution: {integrity: sha512-7GXXcObyHyDUUSG+L+kJoquty01bzm7ivE7+SSgXXJcHuPzGviptxwARmI2c+bnnxjexGQbJnyNlN8HxBP/Y7A==}
     engines: {node: ^18.19.0 || >=20.6.0}
     peerDependencies:
       '@opentelemetry/api': '>=1.9.0 <1.10.0'
@@ -1480,6 +1480,7 @@ packages:
   '@smithy/core@3.24.1':
     resolution: {integrity: sha512-3mT7o4qQyUWttYnVK3A0Z/u3Xha3E81tXn32Tz6vjZiUXhBrkEivpw1hBYfh84iFF9CSzkBU9Y1DJ3Q6RQ231g==}
     engines: {node: '>=18.0.0'}
+    deprecated: Deprecated due to bug in browser bundling instructions https://github.com/smithy-lang/smithy-typescript/issues/2025
 
   '@smithy/credential-provider-imds@4.3.1':
     resolution: {integrity: sha512-0S/acwHnqX4WrjXzhdiDRxsG2s9SC0cpPIK9nZ1R6UOHd+j7uL28+4bHu22urbLk2TVw3fkp6na/+fkUt/pLNQ==}
@@ -3238,8 +3239,8 @@ packages:
     peerDependencies:
       typescript: '>=4.2.0'
 
-  ts-jest@29.4.9:
-    resolution: {integrity: sha512-LTb9496gYPMCqjeDLdPrKuXtncudeV1yRZnF4Wo5l3SFi0RYEnYRNgMrFIdg+FHvfzjCyQk1cLncWVqiSX+EvQ==}
+  ts-jest@29.4.12:
+    resolution: {integrity: sha512-Ov6ClY53Fflh6BGAnY2DlTq1hYDrTycz2PVTXBWFW2CU+9zrEqAp9fWdGXl42EXO5RLSFAcAZ2JFKbP+zBTFfw==}
     engines: {node: ^14.15.0 || ^16.10.0 || ^18.0.0 || >=20.0.0}
     hasBin: true
     peerDependencies:
@@ -5110,22 +5111,22 @@ snapshots:
 
   '@opentelemetry/api@1.9.1': {}
 
-  '@opentelemetry/core@2.10.0(@opentelemetry/api@1.9.1)':
+  '@opentelemetry/core@2.11.0(@opentelemetry/api@1.9.1)':
     dependencies:
       '@opentelemetry/api': 1.9.1
       '@opentelemetry/semantic-conventions': 1.43.0
 
-  '@opentelemetry/resources@2.10.0(@opentelemetry/api@1.9.1)':
+  '@opentelemetry/resources@2.11.0(@opentelemetry/api@1.9.1)':
     dependencies:
       '@opentelemetry/api': 1.9.1
-      '@opentelemetry/core': 2.10.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/core': 2.11.0(@opentelemetry/api@1.9.1)
       '@opentelemetry/semantic-conventions': 1.43.0
 
-  '@opentelemetry/sdk-metrics@2.10.0(@opentelemetry/api@1.9.1)':
+  '@opentelemetry/sdk-metrics@2.11.0(@opentelemetry/api@1.9.1)':
     dependencies:
       '@opentelemetry/api': 1.9.1
-      '@opentelemetry/core': 2.10.0(@opentelemetry/api@1.9.1)
-      '@opentelemetry/resources': 2.10.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/core': 2.11.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/resources': 2.11.0(@opentelemetry/api@1.9.1)
 
   '@opentelemetry/semantic-conventions@1.43.0': {}
 
@@ -5574,7 +5575,7 @@ snapshots:
       globby: 11.1.0
       is-glob: 4.0.3
       minimatch: 9.0.9
-      semver: 7.8.0
+      semver: 7.8.5
       ts-api-utils: 1.4.3(typescript@5.5.4)
     optionalDependencies:
       typescript: 5.5.4
@@ -6426,7 +6427,7 @@ snapshots:
       '@babel/parser': 7.29.3
       '@istanbuljs/schema': 0.1.6
       istanbul-lib-coverage: 3.2.2
-      semver: 7.8.0
+      semver: 7.8.5
     transitivePeerDependencies:
       - supports-color
 
@@ -6705,7 +6706,7 @@ snapshots:
       jest-util: 29.7.0
       natural-compare: 1.4.0
       pretty-format: 29.7.0
-      semver: 7.8.0
+      semver: 7.8.5
     transitivePeerDependencies:
       - supports-color
 
@@ -6828,7 +6829,7 @@ snapshots:
 
   make-dir@4.0.0:
     dependencies:
-      semver: 7.8.0
+      semver: 7.8.5
 
   make-error@1.3.6: {}
 
@@ -7162,8 +7163,7 @@ snapshots:
 
   semver@7.8.0: {}
 
-  semver@7.8.5:
-    optional: true
+  semver@7.8.5: {}
 
   sharp@0.35.4(@types/node@22.7.4):
     dependencies:
@@ -7327,7 +7327,7 @@ snapshots:
     dependencies:
       typescript: 5.5.4
 
-  ts-jest@29.4.9(@babel/core@7.29.7)(@jest/transform@29.7.0)(@jest/types@29.6.3)(babel-jest@29.7.0(@babel/core@7.29.7))(jest-util@29.7.0)(jest@29.7.0(@types/node@22.7.4))(typescript@5.5.4):
+  ts-jest@29.4.12(@babel/core@7.29.7)(@jest/transform@29.7.0)(@jest/types@29.6.3)(babel-jest@29.7.0(@babel/core@7.29.7))(jest-util@29.7.0)(jest@29.7.0(@types/node@22.7.4))(typescript@5.5.4):
     dependencies:
       bs-logger: 0.2.6
       fast-json-stable-stringify: 2.1.0
@@ -7336,7 +7336,7 @@ snapshots:
       json5: 2.2.3
       lodash.memoize: 4.1.2
       make-error: 1.3.6
-      semver: 7.8.0
+      semver: 7.8.5
       type-fest: 4.41.0
       typescript: 5.5.4
       yargs-parser: 21.1.1

nodejs/src/connection.rs

@@ -442,13 +442,15 @@ impl Connection {
         self.get_inner()?.drop_all_tables(&ns).await.default_error()
     }
 
-    /// A `Job` handle for a server-side job by id.
+    /// Open a server-side job by id, returning a handle with its record
+    /// already populated. Rejects when the server has no such job.
     ///
-    /// The handle is constructed without a server round trip; an unknown id
-    /// surfaces when the handle is used.
-    #[napi]
-    pub fn job(&self, job_id: String) -> napi::Result<crate::job::Job> {
-        let job = self.get_inner()?.job(job_id).default_error()?;
+    /// The returned handle answers for its own state, specification, result,
+    /// failure and event history, so there is no separate connection-level
+    /// call for any of them.
+    #[napi(catch_unwind)]
+    pub async fn open_job(&self, job_id: String) -> napi::Result<crate::job::Job> {
+        let job = self.get_inner()?.open_job(&job_id).await.default_error()?;
         Ok(crate::job::Job::new(job))
     }
 
@@ -459,17 +461,6 @@ impl Connection {
         Ok(jobs.into_iter().map(Into::into).collect())
     }
 
-    /// Describe a single server-side job by id. `null` when the server has
-    /// no such job.
-    #[napi(catch_unwind)]
-    pub async fn get_job(
-        &self,
-        job_id: String,
-    ) -> napi::Result<Option<crate::job::JobDescription>> {
-        let description = self.get_inner()?.get_job(&job_id).await.default_error()?;
-        Ok(description.map(Into::into))
-    }
-
     /// Request cancellation of a server-side job by id. Returns true if the
     /// server accepted the cancellation, false if no such job exists.
     #[napi(catch_unwind)]
@@ -477,34 +468,6 @@ impl Connection {
         self.get_inner()?.cancel_job(&job_id).await.default_error()
     }
 
-    /// The lifecycle event history of a server-side job (all jobs when
-    /// `job_id` is null), as an Arrow IPC stream buffer. Empty when there is
-    /// no history.
-    #[napi(catch_unwind)]
-    pub async fn job_history(&self, job_id: Option<String>) -> napi::Result<Buffer> {
-        let batches = self
-            .get_inner()?
-            .job_history(job_id.as_deref())
-            .await
-            .default_error()?;
-        let Some(first) = batches.first() else {
-            return Ok(Buffer::from(Vec::<u8>::new()));
-        };
-        let mut out = Vec::new();
-        let mut writer = arrow_ipc::writer::StreamWriter::try_new(&mut out, &first.schema())
-            .map_err(|e| napi::Error::from_reason(e.to_string()))?;
-        for batch in &batches {
-            writer
-                .write(batch)
-                .map_err(|e| napi::Error::from_reason(e.to_string()))?;
-        }
-        writer
-            .finish()
-            .map_err(|e| napi::Error::from_reason(e.to_string()))?;
-        drop(writer);
-        Ok(Buffer::from(out))
-    }
-
     #[napi(catch_unwind)]
     /// Describe a namespace and return its properties.
     pub async fn describe_namespace(

nodejs/src/job.rs

@@ -3,6 +3,9 @@
 
 use std::sync::Arc;
 
+use arrow_array::RecordBatch;
+use lancedb::job::JobEventsRequest;
+use napi::bindgen_prelude::Buffer;
 use napi_derive::napi;
 
 use crate::error::NapiErrorExt;
@@ -55,12 +58,98 @@ impl Job {
     pub async fn cancel(&self) -> napi::Result<()> {
         self.inner.cancel().await.default_error()
     }
+
+    /// Ask the backend for this job's current state, and for a server-side job
+    /// its full record, then cache it for the getters below.
+    ///
+    /// They are all null until this runs, because submitting an operation
+    /// returns only a job id. {@link Job.status} fetches the whole record too;
+    /// {@link Job.wait} records only the terminal state it establishes.
+    #[napi(catch_unwind)]
+    pub async fn refresh(&self) -> napi::Result<()> {
+        self.inner.refresh().await.default_error()
+    }
+
+    /// The last observed lifecycle state, without contacting the backend.
+    #[napi(getter)]
+    pub fn state(&self) -> Option<String> {
+        self.inner.state()
+    }
+
+    /// The job's type, as the server names it. Null for an in-process job,
+    /// which has no server-side record.
+    #[napi(getter)]
+    pub fn job_type(&self) -> Option<String> {
+        self.inner.job_type()
+    }
+
+    /// When the job was created, in milliseconds since the epoch.
+    #[napi(getter)]
+    pub fn creation_ms(&self) -> Option<i64> {
+        self.inner.creation_ms()
+    }
+
+    /// The job-type-specific specification as a JSON string, when present.
+    #[napi(getter)]
+    pub fn spec_json(&self) -> Option<String> {
+        self.inner.spec().map(|spec| spec.to_string())
+    }
+
+    /// The job-type-specific terminal result as a JSON string. Null until the
+    /// job succeeds, so a job that never terminates reports its progress
+    /// through {@link Job.events} instead.
+    #[napi(getter)]
+    pub fn result_json(&self) -> Option<String> {
+        self.inner.result().map(|result| result.to_string())
+    }
+
+    /// Why the job failed, when it failed and the server reports a reason.
+    #[napi(getter)]
+    pub fn failure(&self) -> Option<JobFailureInfo> {
+        self.inner.failure().map(|failure| JobFailureInfo {
+            phase: failure.phase,
+            message: failure.message,
+            retryable: failure.retryable,
+        })
+    }
+
+    /// This job's recorded lifecycle events, as an Arrow IPC stream buffer.
+    /// The TypeScript wrapper turns it into an Arrow table.
+    #[napi(catch_unwind)]
+    pub async fn events(&self, limit: Option<u32>, filter: Option<String>) -> napi::Result<Buffer> {
+        let batches = self
+            .inner
+            .events(JobEventsRequest { limit, filter })
+            .await
+            .default_error()?;
+        batches_to_ipc_buffer(&batches)
+    }
+}
+
+/// Serialise Arrow batches as a single IPC stream for the TypeScript layer.
+fn batches_to_ipc_buffer(batches: &[RecordBatch]) -> napi::Result<Buffer> {
+    let Some(first) = batches.first() else {
+        return Ok(Buffer::from(Vec::<u8>::new()));
+    };
+    let mut out = Vec::new();
+    let mut writer = arrow_ipc::writer::StreamWriter::try_new(&mut out, &first.schema())
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    for batch in batches {
+        writer
+            .write(batch)
+            .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    }
+    writer
+        .finish()
+        .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+    drop(writer);
+    Ok(Buffer::from(out))
 }
 
 /// A row from `Connection.listJobs`: one server-side job.
 #[napi(object)]
 pub struct JobInfo {
-    /// The job id -- what `Connection.getJob` and `Connection.cancelJob`
+    /// The job id -- what `Connection.openJob` and `Connection.cancelJob`
     /// accept.
     pub job_id: String,
     /// The table the job runs against, without URI or namespace.
@@ -91,36 +180,3 @@ pub struct JobFailureInfo {
     pub message: Option<String>,
     pub retryable: Option<bool>,
 }
-
-/// A described job from `Connection.getJob`.
-#[napi(object)]
-pub struct JobDescription {
-    pub job_id: String,
-    pub job_type: String,
-    /// Lifecycle state: "running", "finished", "failed", or "cancelled".
-    pub state: String,
-    /// When the job was created, in milliseconds since the epoch.
-    pub creation_ms: i64,
-    /// The job-type-specific specification as a JSON string, when present.
-    pub spec_json: Option<String>,
-    /// Why the job failed, when the job is failed and the server reports a
-    /// reason.
-    pub failure: Option<JobFailureInfo>,
-}
-
-impl From<lancedb::database::JobDescription> for JobDescription {
-    fn from(description: lancedb::database::JobDescription) -> Self {
-        Self {
-            job_id: description.job_id,
-            job_type: description.job_type,
-            state: description.state,
-            creation_ms: description.creation_ms,
-            spec_json: (!description.spec.is_null()).then(|| description.spec.to_string()),
-            failure: description.failure.map(|failure| JobFailureInfo {
-                phase: failure.phase,
-                message: failure.message,
-                retryable: failure.retryable,
-            }),
-        }
-    }
-}

python/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lancedb-python"
-version = "0.39.0-beta.1"
+version = "0.39.0-beta.6"
 publish = false
 edition.workspace = true
 description = "Python bindings for LanceDB"
@@ -28,7 +28,7 @@ env_logger.workspace = true
 log.workspace = true
 # Maturin enables extension-module mode for Python builds. Keeping it out of
 # Cargo features lets Rust unit tests link against libpython.
-pyo3 = { version = "0.28", features = ["abi3-py310", "chrono"] }
+pyo3 = { version = "0.28", features = ["abi3-py310", "chrono", "uuid"] }
 chrono.workspace = true
 pyo3-async-runtimes = { version = "0.28", features = [
     "attributes",
@@ -40,6 +40,7 @@ serde.workspace = true
 serde_json.workspace = true
 snafu.workspace = true
 tokio.workspace = true
+uuid.workspace = true
 libc = "0.2"
 
 [build-dependencies]

python/pyproject.toml

@@ -139,6 +139,7 @@ include = [
     "python/lancedb/exceptions.py",
     "python/lancedb/background_loop.py",
     "python/lancedb/schema.py",
+    "python/lancedb/sql.py",
     "python/lancedb/remote/__init__.py",
     "python/lancedb/remote/errors.py",
     "python/lancedb/embeddings/__init__.py",

python/python/lancedb/__init__.py

@@ -22,7 +22,11 @@ from .remote.db import RemoteDBConnection
 from .expr import Expr, col, lit, func
 from .schema import blob, vector
 from .job import AsyncJob, Job
+from .sql import AsyncQuery as AsyncSqlQuery
+from .sql import Query as SqlQuery
+from .sql import QueryDescription
 from .functions import (
+    AssignmentMapping as AssignmentMapping,
     FunctionArtifactRequest as FunctionArtifactRequest,
     FunctionApplication as FunctionApplication,
     FunctionBinding as FunctionBinding,
@@ -101,6 +105,7 @@ def connect(
     api_key: Optional[str] = None,
     region: str = "us-east-1",
     host_override: Optional[str] = None,
+    sql_host_override: Optional[str] = None,
     read_consistency_interval: Optional[timedelta] = None,
     request_thread_pool: Optional[Union[int, ThreadPoolExecutor]] = None,
     client_config: Union[ClientConfig, Dict[str, Any], None] = None,
@@ -129,6 +134,9 @@ def connect(
         The region to use for LanceDB Cloud.
     host_override: str, optional
         The override url for LanceDB Cloud.
+    sql_host_override: str, optional
+        The remote SQL service endpoint override. The client connects lazily when SQL
+        is first executed and retains that connection.
     read_consistency_interval: timedelta, default None
         The interval at which to check for updates to the table from other
         processes. If None, then consistency is not checked. For performance
@@ -270,6 +278,7 @@ def connect(
             api_key,
             region,
             host_override,
+            sql_host_override=sql_host_override,
             # TODO: remove this (deprecation warning downstream)
             request_thread_pool=request_thread_pool,
             client_config=client_config,
@@ -412,6 +421,7 @@ def deserialize_conn(
             parsed["api_key"],
             parsed.get("region", "us-east-1"),
             host_override=parsed.get("host_override"),
+            sql_host_override=parsed.get("sql_host_override"),
             client_config=parsed.get("client_config"),
             storage_options=storage_options,
         )
@@ -425,6 +435,7 @@ async def connect_async(
     api_key: Optional[str] = None,
     region: str = "us-east-1",
     host_override: Optional[str] = None,
+    sql_host_override: Optional[str] = None,
     read_consistency_interval: Optional[timedelta] = None,
     client_config: Optional[Union[ClientConfig, Dict[str, Any]]] = None,
     storage_options: Optional[Dict[str, str]] = None,
@@ -447,6 +458,9 @@ async def connect_async(
         The region to use for LanceDB Cloud.
     host_override: str, optional
         The override url for LanceDB Cloud.
+    sql_host_override: str, optional
+        The remote SQL service endpoint override. The client connects lazily when SQL
+        is first executed and retains that connection.
     read_consistency_interval: timedelta, default None
         The interval at which to check for updates to the table from other
         processes. If None, then consistency is not checked. For performance
@@ -534,6 +548,7 @@ async def connect_async(
             api_key,
             region,
             host_override,
+            sql_host_override,
             read_consistency_interval_secs,
             client_config,
             storage_options,
@@ -556,6 +571,7 @@ __all__ = [
     "connect_namespace_async",
     "AsyncConnection",
     "AsyncJob",
+    "AsyncSqlQuery",
     "AsyncLanceNamespaceDBConnection",
     "AsyncTable",
     "FtsToken",
@@ -570,6 +586,8 @@ __all__ = [
     "vector",
     "DBConnection",
     "Job",
+    "QueryDescription",
+    "SqlQuery",
     "LanceDBConnection",
     "LanceNamespaceDBConnection",
     "LsmWriteSpec",

python/python/lancedb/_lancedb.pyi

@@ -1,6 +1,7 @@
 from datetime import date, datetime, timedelta
 from decimal import Decimal
 from typing import Dict, List, Optional, Tuple, Any, TypedDict, Union, Literal
+from uuid import UUID
 
 import pyarrow as pa
 
@@ -147,17 +148,20 @@ class Connection(object):
         start_after: Optional[str],
         limit: Optional[int],
     ) -> list[str]: ...  # Deprecated: Use list_tables instead
-    def job(self, job_id: str) -> Job: ...
+    async def open_job(self, job_id: str) -> Job: ...
     async def create_function_async(self, request_json: str) -> Job: ...
     async def get_function(self, name: str, version: str) -> str: ...
     async def list_functions(self) -> List[str]: ...
     async def drop_function(self, name: str, version: str) -> bool: ...
     async def list_jobs(self) -> List[JobInfo]: ...
-    async def get_job(self, job_id: str) -> Optional[JobDescription]: ...
     async def cancel_job(self, job_id: str) -> bool: ...
-    async def job_history(
-        self, job_id: Optional[str] = None
-    ) -> List[pa.RecordBatch]: ...
+    async def execute_query_async(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> SqlQuery: ...
+    async def describe_query(self, query_id: UUID) -> QueryDescription: ...
     async def create_table(
         self,
         name: str,
@@ -236,9 +240,20 @@ class BlobFile:
 class Job:
     @property
     def id(self) -> Optional[str]: ...
+    @property
+    def _state(self) -> Optional[str]: ...
+    @property
+    def _description(self) -> Optional[JobDescription]: ...
     async def status(self) -> str: ...
     async def wait(self) -> Optional[str]: ...
     async def cancel(self) -> None: ...
+    async def refresh(self) -> None: ...
+    async def events(
+        self,
+        *,
+        limit: Optional[int] = None,
+        filter: Optional[str] = None,
+    ) -> pa.Table: ...
 
 class JobInfo:
     @property
@@ -270,10 +285,33 @@ class JobDescription:
     @property
     def creation_ms(self) -> int: ...
     @property
-    def spec_json(self) -> Optional[str]: ...
+    def _spec_json(self) -> Optional[str]: ...
+    @property
+    def _result_json(self) -> Optional[str]: ...
+    @property
+    def spec(self) -> Optional[Any]: ...
+    @property
+    def result(self) -> Optional[Any]: ...
     @property
     def failure(self) -> Optional[JobFailureInfo]: ...
 
+class SqlQuery:
+    @property
+    def id(self) -> UUID: ...
+    async def describe(self) -> QueryDescription: ...
+    async def reader(self) -> RecordBatchStream: ...
+    async def cancel(self) -> None: ...
+
+class QueryDescription:
+    @property
+    def id(self) -> UUID: ...
+    @property
+    def status(self) -> str: ...
+    @property
+    def progress(self) -> Optional[float]: ...
+    @property
+    def expires_at(self) -> Optional[datetime]: ...
+
 class Table:
     def name(self) -> str: ...
     def __repr__(self) -> str: ...
@@ -452,6 +490,7 @@ async def connect(
     api_key: Optional[str],
     region: Optional[str],
     host_override: Optional[str],
+    sql_host_override: Optional[str],
     read_consistency_interval: Optional[float],
     client_config: Optional[Union[ClientConfig, Dict[str, Any]]],
     storage_options: Optional[Dict[str, str]],

python/python/lancedb/db.py

@@ -19,6 +19,7 @@ from typing import (
     Optional,
     Union,
 )
+from uuid import UUID
 
 if sys.version_info >= (3, 12):
     from typing import override
@@ -47,6 +48,9 @@ from . import __version__
 from ._lancedb import connect as lancedb_connect  # type: ignore
 from .functions import FunctionVersion, UdfDefinition
 from .job import AsyncJob, Job, _typed_job
+from .sql import AsyncQuery as AsyncSqlQuery
+from .sql import Query as SqlQuery
+from .sql import QueryDescription
 from .materialized_view import (
     AsyncMaterializedView,
     MaterializedView,
@@ -68,10 +72,11 @@ import deprecation
 
 if TYPE_CHECKING:
     import pyarrow as pa
+    from .arrow import AsyncRecordBatchReader
     from .pydantic import LanceModel
 
     from ._lancedb import Connection as LanceDbConnection
-    from ._lancedb import JobDescription, JobInfo
+    from ._lancedb import JobInfo
     from .common import DATA, URI
     from .embeddings import EmbeddingFunctionConfig
     from ._lancedb import Session
@@ -740,26 +745,23 @@ class DBConnection(EnforceOverrides):
             "Function catalog operations are not supported for this connection type"
         )
 
-    def job(self, job_id: str) -> Job:
-        """A [Job][lancedb.job.Job] handle for a server-side job by id.
+    def open_job(self, job_id: str) -> Job:
+        """Open a server-side job by id, returning a handle with its record
+        already populated.
 
-        The handle is constructed without a server round trip; an unknown id
-        surfaces when the handle is used. Dropping the handle has no effect
-        on the job itself.
+        The returned [Job][lancedb.job.Job] answers for its own state,
+        specification, result, failure and event history, so there is no
+        separate connection-level call for any of them.
+
+        Raises `JobNotFoundError` when the server has no such job, the way
+        `open_table` does for a missing table.
         """
-        raise NotImplementedError("job is not supported for this connection type")
+        raise NotImplementedError("open_job is not supported for this connection type")
 
     def list_jobs(self) -> List[JobInfo]:
         """List server-side jobs across the database's tables."""
         raise NotImplementedError("list_jobs is not supported for this connection type")
 
-    def get_job(self, job_id: str) -> Optional[JobDescription]:
-        """Describe a single server-side job by id.
-
-        Returns None when the server has no such job.
-        """
-        raise NotImplementedError("get_job is not supported for this connection type")
-
     def cancel_job(self, job_id: str) -> bool:
         """Request cancellation of a server-side job by id.
 
@@ -771,14 +773,38 @@ class DBConnection(EnforceOverrides):
             "cancel_job is not supported for this connection type"
         )
 
-    def job_history(self, job_id: Optional[str] = None) -> List[pa.RecordBatch]:
-        """The lifecycle event history of a server-side job, as Arrow batches.
+    def execute_query(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> pa.RecordBatchReader:
+        """Execute SQL and return a blocking Arrow reader.
 
-        Lists history across all jobs when `job_id` is None.
+        This submits through :meth:`execute_query_async` and waits until the
+        initial result stream is readable. It does not wait for the full query
+        to finish.
         """
-        raise NotImplementedError(
-            "job_history is not supported for this connection type"
-        )
+        return self.execute_query_async(
+            query,
+            default_namespace_path=default_namespace_path,
+        ).reader()
+
+    def execute_query_async(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> SqlQuery:
+        """Start executing SQL and return its query handle.
+
+        Local connections do not support SQL.
+        """
+        raise NotImplementedError("SQL is not supported for this connection type")
+
+    def describe_query(self, query_id: UUID) -> QueryDescription:
+        """Describe a submitted SQL query by its connection-scoped id."""
+        raise NotImplementedError("SQL is not supported for this connection type")
 
 
 class LanceDBConnection(DBConnection):
@@ -875,6 +901,7 @@ class LanceDBConnection(DBConnection):
                 None,
                 None,
                 None,
+                None,
                 read_consistency_interval_secs,
                 None,
                 storage_options,
@@ -1423,14 +1450,11 @@ class LanceDBConnection(DBConnection):
         )
 
     @override
-    def job(self, job_id: str) -> Job:
-        """A [Job][lancedb.job.Job] handle for a server-side job by id.
-
-        The handle is constructed without a server round trip; an unknown id
-        surfaces when the handle is used. Dropping the handle has no effect
-        on the job itself.
+    def open_job(self, job_id: str) -> Job:
+        """Open a server-side job by id. See
+        [DBConnection.open_job][lancedb.db.DBConnection.open_job].
         """
-        return Job(self._conn.job(job_id))
+        return Job(LOOP.run(self._conn.open_job(job_id)))
 
     @override
     def create_function_async(self, definition: UdfDefinition) -> Job[FunctionVersion]:
@@ -1454,14 +1478,6 @@ class LanceDBConnection(DBConnection):
         """List server-side jobs across the database's tables."""
         return LOOP.run(self._conn.list_jobs())
 
-    @override
-    def get_job(self, job_id: str) -> Optional[JobDescription]:
-        """Describe a single server-side job by id.
-
-        Returns None when the server has no such job.
-        """
-        return LOOP.run(self._conn.get_job(job_id))
-
     @override
     def cancel_job(self, job_id: str) -> bool:
         """Request cancellation of a server-side job by id.
@@ -1472,14 +1488,6 @@ class LanceDBConnection(DBConnection):
         """
         return LOOP.run(self._conn.cancel_job(job_id))
 
-    @override
-    def job_history(self, job_id: Optional[str] = None) -> List[pa.RecordBatch]:
-        """The lifecycle event history of a server-side job, as Arrow batches.
-
-        Lists history across all jobs when `job_id` is None.
-        """
-        return LOOP.run(self._conn.job_history(job_id))
-
     @override
     def namespace_client(self) -> LanceNamespace:
         """Get the equivalent namespace client for this connection.
@@ -2250,15 +2258,11 @@ class AsyncConnection(object):
             namespace_path = []
         await self._inner.drop_all_tables(namespace_path=namespace_path)
 
-    def job(self, job_id: str) -> AsyncJob:
-        """An [AsyncJob][lancedb.job.AsyncJob] handle for a server-side job
-        by id.
-
-        The handle is constructed without a server round trip; an unknown id
-        surfaces when the handle is used. Dropping the handle has no effect
-        on the job itself.
+    async def open_job(self, job_id: str) -> AsyncJob:
+        """Open a server-side job by id. See
+        [DBConnection.open_job][lancedb.db.DBConnection.open_job].
         """
-        return AsyncJob(self._inner.job(job_id))
+        return AsyncJob(await self._inner.open_job(job_id))
 
     async def create_function_async(
         self, definition: UdfDefinition
@@ -2298,13 +2302,6 @@ class AsyncConnection(object):
         """List server-side jobs across the database's tables."""
         return await self._inner.list_jobs()
 
-    async def get_job(self, job_id: str) -> Optional[JobDescription]:
-        """Describe a single server-side job by id.
-
-        Returns None when the server has no such job.
-        """
-        return await self._inner.get_job(job_id)
-
     async def cancel_job(self, job_id: str) -> bool:
         """Request cancellation of a server-side job by id.
 
@@ -2314,12 +2311,46 @@ class AsyncConnection(object):
         """
         return await self._inner.cancel_job(job_id)
 
-    async def job_history(self, job_id: Optional[str] = None) -> List[pa.RecordBatch]:
-        """The lifecycle event history of a server-side job, as Arrow batches.
+    async def execute_query(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> AsyncRecordBatchReader:
+        """Execute SQL and return an asynchronous Arrow reader.
 
-        Lists history across all jobs when `job_id` is None.
+        This submits through :meth:`execute_query_async` and waits until the
+        initial result stream is readable. It does not wait for the full query
+        to finish.
         """
-        return await self._inner.job_history(job_id)
+        submitted = await self.execute_query_async(
+            query,
+            default_namespace_path=default_namespace_path,
+        )
+        return await submitted.reader()
+
+    async def execute_query_async(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> AsyncSqlQuery:
+        """Start executing SQL and return its query handle.
+
+        The database from ``connect_async`` is used for unqualified database
+        references. The namespace defaults to ``["public"]``. Local
+        connections raise ``NotImplementedError``.
+        """
+        return AsyncSqlQuery(
+            await self._inner.execute_query_async(
+                query,
+                default_namespace_path=default_namespace_path,
+            )
+        )
+
+    async def describe_query(self, query_id: UUID) -> QueryDescription:
+        """Describe a submitted SQL query by its connection-scoped id."""
+        return await self._inner.describe_query(query_id)
 
     async def namespace_client(self) -> LanceNamespace:
         """Get the equivalent namespace client for this connection.

python/python/lancedb/embeddings/gte.py

@@ -21,7 +21,7 @@ class GteEmbeddings(TextEmbeddingFunction):
     An embedding function that uses GTE-LARGE MLX format(for Apple silicon devices only)
     as well as the standard cpu/gpu version from: https://huggingface.co/thenlper/gte-large.
 
-    For Apple users, you will need the mlx package insalled, which can be done with:
+    For Apple users, you will need the mlx package installed, which can be done with:
         pip install mlx
 
     Parameters

python/python/lancedb/embeddings/instructor.py

@@ -60,7 +60,7 @@ class InstructorEmbeddingFunction(TextEmbeddingFunction):
 
     import lancedb
     from lancedb.pydantic import LanceModel, Vector
-    from lancedb.embeddings import get_registry, InstuctorEmbeddingFunction
+    from lancedb.embeddings import get_registry, InstructorEmbeddingFunction
 
     instructor = get_registry().get("instructor").create(
         source_instruction="represent the document for retrieval",

python/python/lancedb/exceptions.py

@@ -35,3 +35,9 @@ class JobCancelledError(RuntimeError):
     """Exception raised when an asynchronous job was cancelled."""
 
     pass
+
+
+class JobNotFoundError(ValueError):
+    """Exception raised when opening a job the server does not have."""
+
+    pass

python/python/lancedb/functions.py

@@ -470,11 +470,7 @@ class InputBinding(_RemoteValue):
 
 
 class OutputMapping(_RemoteValue):
-    """One stable result-field mapping.
-
-    Assignment state is outside the Slice 1 client contract. During the NULL
-    transition Lance exposes no public cell-flag identifier to persist here.
-    """
+    """One stable result-field mapping."""
 
     result_field: str
     output_name: str
@@ -484,6 +480,13 @@ class OutputMapping(_RemoteValue):
     nullable: bool
 
 
+class AssignmentMapping(_RemoteValue):
+    """Internal physical column preserving flattened struct validity."""
+
+    output_name: str
+    output_field_id: _Int32
+
+
 class FunctionBinding(_RemoteValue):
     """Immutable Function binding persisted by the Enterprise table service."""
 
@@ -491,6 +494,7 @@ class FunctionBinding(_RemoteValue):
     function: FunctionVersionRef
     inputs: tuple[InputBinding, ...]
     outputs: tuple[OutputMapping, ...]
+    assignment: Optional[AssignmentMapping] = None
     input_schema: Optional[Mapping[str, Any]] = None
     output_schema: Optional[Mapping[str, Any]] = None
 
@@ -911,8 +915,6 @@ def _function_output(output: pa.DataType | pa.Field | pa.Schema) -> FunctionOutp
 
     if not fields:
         raise ValueError("named-struct Function output must contain at least one field")
-    if any(field.nullable for field in fields):
-        raise ValueError("Function output fields must be non-nullable")
     for field in fields:
         _validate_exact_arrow_field(field)
     names = [field.name for field in fields]
@@ -924,7 +926,7 @@ def _function_output(output: pa.DataType | pa.Field | pa.Schema) -> FunctionOutp
             FunctionResultField(
                 name=field.name,
                 arrow_type=_canonical_arrow_field(field),
-                nullable=False,
+                nullable=field.nullable,
             )
             for field in fields
         ),
@@ -1307,8 +1309,9 @@ def udf(
 
     Input and output signatures are inferred from supported annotations. For
     Arrow types annotations cannot express precisely, pass ``input_schema``
-    and ``output_schema`` together. Nullable outputs are rejected because V1
-    uses physical NULL to represent unassigned computed-column rows.
+    and ``output_schema`` together. Scalar outputs must be non-nullable. Every
+    named-struct field may be nullable; Enterprise preserves the struct's
+    validity when the result is expanded into sibling columns.
 
     Parameters
     ----------
@@ -1320,8 +1323,8 @@ def udf(
         Explicit input fields in the exact order of the callable parameters.
         Must be provided together with ``output_schema``.
     output_schema : pyarrow.DataType, pyarrow.Field, or pyarrow.Schema, optional
-        Explicit scalar or named-struct output. Must be non-nullable and be
-        provided together with ``input_schema``.
+        Explicit scalar or named-struct output. Scalar outputs must be
+        non-nullable. Must be provided together with ``input_schema``.
     pip : sequence of str, optional
         Pip requirements for the remote environment.
     conda : sequence of str, optional
@@ -1387,6 +1390,7 @@ def udf(
 
 
 __all__ = [
+    "AssignmentMapping",
     "ApplicationInput",
     "FunctionApplication",
     "FunctionArtifact",

python/python/lancedb/index.py

@@ -751,7 +751,7 @@ class IvfPq:
         This value controls how much the vector is compressed during the
         quantization step.  The more sub vectors there are the less the vector is
         compressed.  The default is the dimension of the vector divided by 16.  If
-        the dimension is not evenly divisible by 16 we use the dimension divded by
+        the dimension is not evenly divisible by 16 we use the dimension divided by
         8.
 
         The above two cases are highly preferred.  Having 8 or 16 values per

python/python/lancedb/job.py

@@ -4,15 +4,27 @@
 """Handles to operations a server may run asynchronously."""
 
 import asyncio
+import json
 from datetime import timedelta
 from typing import Any, Callable, Generic, Optional, TypeVar, cast
 
+import pyarrow as pa
+
 from lancedb.background_loop import LOOP
 
 from . import _lancedb
+from ._lancedb import JobDescription, JobFailureInfo, JobInfo
 
 T = TypeVar("T")
 
+__all__ = [
+    "AsyncJob",
+    "Job",
+    "JobDescription",
+    "JobFailureInfo",
+    "JobInfo",
+]
+
 
 class AsyncJob(Generic[T]):
     """A handle to an operation that may still be running.
@@ -78,6 +90,149 @@ class AsyncJob(Generic[T]):
             return
         await self._inner.cancel()
 
+    async def refresh(self) -> None:
+        """Ask the backend for this job's current state, and for a server-side
+        job its full record, then cache it for the properties below.
+
+        The properties are all `None` until this runs, because submitting an
+        operation returns only a job id. `status` fetches the whole record too;
+        `wait` records only the terminal state it establishes.
+        """
+        if self._inner is None:
+            return
+        await self._inner.refresh()
+
+    @property
+    def state(self) -> Optional[str]:
+        """The last observed lifecycle state, without contacting the backend.
+
+        `None` until the handle has talked to it. See :meth:`AsyncJob.refresh`.
+        """
+        if self._inner is None:
+            return "finished"
+        return self._inner._state
+
+    @property
+    def job_type(self) -> Optional[str]:
+        """The job's type, as the server names it.
+
+        `None` for an in-process job, which has no server-side record.
+        """
+        return self._field("job_type")
+
+    @property
+    def creation_ms(self) -> Optional[int]:
+        """When the job was created, in milliseconds since the epoch."""
+        return self._field("creation_ms")
+
+    @property
+    def spec(self) -> Optional[Any]:
+        """The job-type-specific specification it was submitted with."""
+        return self._field("spec")
+
+    @property
+    def result(self) -> Optional[Any]:
+        """The job-type-specific terminal result, as reported data rather than
+        the typed model :meth:`AsyncJob.wait` returns.
+
+        `None` until the job succeeds, so a job that never terminates reports
+        its progress through :meth:`AsyncJob.events` instead.
+        """
+        return self._field("result")
+
+    @property
+    def failure(self) -> Optional[JobFailureInfo]:
+        """Why the job failed, when it failed and the server reports a reason."""
+        return self._field("failure")
+
+    @property
+    def _spec_json(self) -> Optional[str]:
+        return self._field("_spec_json")
+
+    @property
+    def _result_json(self) -> Optional[str]:
+        return self._field("_result_json")
+
+    def _field(self, name: str) -> Optional[Any]:
+        description = self._inner._description if self._inner is not None else None
+        return getattr(description, name) if description is not None else None
+
+    async def events(
+        self,
+        *,
+        limit: Optional[int] = None,
+        filter: Optional[str] = None,
+    ) -> "pa.Table":
+        """This job's recorded lifecycle events.
+
+        Where the properties above report a terminal result only once the job
+        reaches one, events are written as the job runs and outlive the workers
+        that produced them. A distributed job records a `claim`/`claim_complete`
+        pair per unit of work, each carrying `rows_processed`, so a job that
+        never finishes still accounts for what it did.
+
+        Parameters
+        ----------
+        limit: int, optional
+            Maximum event rows to return. The server caps results at 1000 by
+            default and 10,000 at most, and truncates without saying so, so
+            pass this for a job that emits an event per fragment.
+        filter: str, optional
+            SQL-like expression over the `state`, `updated_by`, `emitted_from`,
+            `emitted_by`, and `claim_entity` columns, such as
+            ``state = 'claim_complete'``.
+        """
+        if self._inner is None:
+            raise NotImplementedError(
+                "job event history is only available for server-side jobs"
+            )
+        return await self._inner.events(limit=limit, filter=filter)
+
+    def __repr__(self) -> str:
+        return _job_repr("AsyncJob", self)
+
+
+_REPR_INDENT = " " * 4
+
+
+def _repr_payload(value: Any) -> str:
+    """Render a job payload as indented JSON, aligned under its field."""
+    try:
+        rendered = json.dumps(value, indent=4)
+    except TypeError:
+        return repr(value)
+    return rendered.replace("\n", "\n" + _REPR_INDENT)
+
+
+def _job_repr(kind: str, job: Any) -> str:
+    """Render every field the handle currently knows, omitting the rest.
+
+    One field per line, with the JSON payloads indented, because a refresh
+    job's spec and result are the point of printing it.
+    """
+    state = job.state
+    if state is None:
+        # Nothing has been fetched yet, so there is nothing to lay out.
+        known = f"id={job.id!r}, " if job.id is not None else ""
+        return f"{kind}({known}not refreshed)"
+
+    fields = []
+    if job.id is not None:
+        fields.append(f"id={job.id!r}")
+    fields.append(f"state={state!r}")
+    for name in ("job_type", "creation_ms"):
+        value = getattr(job, name)
+        if value is not None:
+            fields.append(f"{name}={value!r}")
+    for name in ("spec", "result"):
+        value = getattr(job, name)
+        if value is not None:
+            fields.append(f"{name}={_repr_payload(value)}")
+    if job.failure is not None:
+        fields.append(f"failure={job.failure!r}")
+    body = "".join(f"\n{_REPR_INDENT}{field}," for field in fields)
+    return f"{kind}({body}\n)"
+
 
 class Job(Generic[T]):
     """Synchronous counterpart of `AsyncJob` with the same result type."""
@@ -122,6 +277,75 @@ class Job(Generic[T]):
             return
         LOOP.run(self._inner.cancel())
 
+    def refresh(self) -> None:
+        """Ask the backend for this job's current state and record.
+
+        See :meth:`AsyncJob.refresh`.
+        """
+        if self._inner is None:
+            return
+        LOOP.run(self._inner.refresh())
+
+    @property
+    def state(self) -> Optional[str]:
+        """The last observed lifecycle state. See :attr:`AsyncJob.state`."""
+        return self._inner.state if self._inner is not None else "finished"
+
+    @property
+    def job_type(self) -> Optional[str]:
+        """The job's type. See :attr:`AsyncJob.job_type`."""
+        return self._field("job_type")
+
+    @property
+    def creation_ms(self) -> Optional[int]:
+        """When the job was created. See :attr:`AsyncJob.creation_ms`."""
+        return self._field("creation_ms")
+
+    @property
+    def spec(self) -> Optional[Any]:
+        """The job's specification. See :attr:`AsyncJob.spec`."""
+        return self._field("spec")
+
+    @property
+    def result(self) -> Optional[Any]:
+        """The job's terminal result. See :attr:`AsyncJob.result`."""
+        return self._field("result")
+
+    @property
+    def failure(self) -> Optional[JobFailureInfo]:
+        """Why the job failed. See :attr:`AsyncJob.failure`."""
+        return self._field("failure")
+
+    @property
+    def _spec_json(self) -> Optional[str]:
+        return self._field("_spec_json")
+
+    @property
+    def _result_json(self) -> Optional[str]:
+        return self._field("_result_json")
+
+    def _field(self, name: str) -> Optional[Any]:
+        return getattr(self._inner, name) if self._inner is not None else None
+
+    def events(
+        self,
+        *,
+        limit: Optional[int] = None,
+        filter: Optional[str] = None,
+    ) -> "pa.Table":
+        """This job's recorded lifecycle events.
+
+        See :meth:`AsyncJob.events`.
+        """
+        if self._inner is None:
+            raise NotImplementedError(
+                "job event history is only available for server-side jobs"
+            )
+        return LOOP.run(self._inner.events(limit=limit, filter=filter))
+
+    def __repr__(self) -> str:
+        return _job_repr("Job", self)
+
 
 def _typed_job(
     inner: "_lancedb.Job", result_decoder: Callable[[str], T]

python/python/lancedb/namespace.py

@@ -12,6 +12,7 @@ from __future__ import annotations
 
 import sys
 from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Union
+from uuid import UUID
 
 if sys.version_info >= (3, 12):
     from typing import override
@@ -48,8 +49,11 @@ from lancedb._lancedb import (
     connect_namespace_client as _connect_namespace_client,
 )
 from lancedb.background_loop import LOOP
+from lancedb.arrow import AsyncRecordBatchReader
 from lancedb.db import AsyncConnection, DBConnection
 from lancedb.job import AsyncJob, Job
+from lancedb.sql import AsyncQuery as AsyncSqlQuery
+from lancedb.sql import QueryDescription
 from lance_namespace import (
     LanceNamespace,
     connect as namespace_connect,
@@ -1447,6 +1451,37 @@ class AsyncLanceNamespaceDBConnection:
             namespace_path=namespace_path, page_token=page_token, limit=limit
         )
 
+    async def execute_query(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> AsyncRecordBatchReader:
+        """Execute SQL when supported by the underlying connection."""
+        return await self._inner.execute_query(
+            query,
+            default_namespace_path=default_namespace_path,
+        )
+
+    async def execute_query_async(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> AsyncSqlQuery:
+        """Start executing SQL when supported by the underlying connection.
+
+        Namespace-backed local connections do not support SQL.
+        """
+        return await self._inner.execute_query_async(
+            query,
+            default_namespace_path=default_namespace_path,
+        )
+
+    async def describe_query(self, query_id: UUID) -> QueryDescription:
+        """Describe a submitted SQL query when supported."""
+        return await self._inner.describe_query(query_id)
+
     async def namespace_client(self) -> LanceNamespace:
         """Get the namespace client for this connection.
 

python/python/lancedb/query.py

@@ -78,6 +78,10 @@ if TYPE_CHECKING:
 T = TypeVar("T", bound="LanceModel")
 AnalyzePlanDistributedMetrics = Literal["aggregate", "per_worker", "full"]
 
+# Number of rows a hybrid query returns when no limit was set on it. This
+# mirrors the default the Rust query builder applies to its sub-queries.
+DEFAULT_HYBRID_LIMIT = 10
+
 
 @runtime_checkable
 class _LanceScanner(Protocol):
@@ -859,7 +863,7 @@ class Query(pydantic.BaseModel):
         return query
 
     # This tells pydantic to allow custom types (needed for the `vector` query since
-    # pa.Array wouln't be allowed otherwise)
+    # pa.Array wouldn't be allowed otherwise)
     model_config = pydantic.ConfigDict(arbitrary_types_allowed=True)
 
 
@@ -3893,14 +3897,54 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
 
         return self
 
+    def _create_child_queries(
+        self,
+    ) -> Tuple["AsyncFTSQuery", "AsyncVectorQuery", int, int]:
+        """Build the sub-queries that make up this hybrid query.
+
+        Execution, `explain_plan` and `analyze_plan` all go through here so that
+        the plans that are reported are the plans that actually run.
+
+        Returns the two sub-queries along with the effective limit and offset of
+        the hybrid query itself.
+        """
+        fts_query = AsyncFTSQuery(self._inner.to_fts_query(), self._table)
+        vec_query = AsyncVectorQuery(self._inner.to_vector_query(), self._table)
+
+        fts_req = fts_query._inner.to_query_request()
+        vec_req = vec_query._inner.to_query_request()
+
+        # Only one of the two sub-queries carries the limit when it was never
+        # set explicitly: nearest_to()/nearest_to_text() build the sibling query
+        # from scratch, and that is where the default gets filled in. Which one
+        # that is depends on the order the hybrid query was built in, so look at
+        # both rather than at a single side.
+        limit = fts_req.limit if fts_req.limit is not None else vec_req.limit
+        if limit is None:
+            limit = DEFAULT_HYBRID_LIMIT
+        offset = fts_req.offset or vec_req.offset or 0
+
+        fts_query.with_row_id()
+        vec_query.with_row_id()
+
+        # offset() pushes the offset down into both sub-queries, which would make
+        # each of them skip its own first `offset` rows. The window has to be
+        # taken out of the combined, reranked results instead, so fetch the
+        # skipped prefix here too and slice it off afterwards.
+        fts_query.limit(limit + offset)
+        vec_query.limit(limit + offset)
+        fts_query.offset(0)
+        vec_query.offset(0)
+
+        return fts_query, vec_query, limit, offset
+
     async def to_batches(
         self,
         *,
         max_batch_length: Optional[int] = None,
         timeout: Optional[timedelta] = None,
     ) -> AsyncRecordBatchReader:
-        fts_query = AsyncFTSQuery(self._inner.to_fts_query(), self._table)
-        vec_query = AsyncVectorQuery(self._inner.to_vector_query(), self._table)
+        fts_query, vec_query, limit, offset = self._create_child_queries()
 
         req = fts_query._inner.to_query_request()
         blob_auto_row_id = False
@@ -3920,9 +3964,6 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
         self._blob_auto_row_id = blob_auto_row_id
         self._blob_paths = blob_paths
 
-        fts_query.with_row_id()
-        vec_query.with_row_id()
-
         fts_results, vector_results = await asyncio.gather(
             fts_query.to_arrow(timeout=timeout),
             vec_query.to_arrow(timeout=timeout),
@@ -3934,8 +3975,9 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
             norm=self._norm,
             fts_query=fts_query.get_query(),
             reranker=self._reranker,
-            limit=self._inner.get_limit(),
+            limit=limit,
             with_row_ids=True,
+            offset=offset,
         )
         if (
             not self._user_requested_row_id()
@@ -3964,14 +4006,14 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
         ...     print(plan)
         >>> asyncio.run(doctest_example()) # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
         RRFReranker(K=60)
-            ProjectionExec: expr=[vector@0 as vector, text@3 as text, _distance@2 as _distance]
+            ProjectionExec: expr=[vector@0 as vector, text@3 as text, _distance@2 as _distance, _rowid@1 as _rowid]
               LanceRead: uri=..., projection=[text], source=stream(_rowid)
                 GlobalLimitExec: skip=0, fetch=10
                   FilterExec: _distance@2 IS NOT NULL
                     SortExec: TopK(fetch=10), expr=[_distance@2 ASC NULLS LAST, _rowid@1 ASC NULLS LAST], preserve_partitioning=[false]
                       KNNVectorDistance: metric=l2
                         LanceRead: uri=..., projection=[vector], ...
-            ProjectionExec: expr=[vector@2 as vector, text@3 as text, _score@1 as _score]
+            ProjectionExec: expr=[vector@2 as vector, text@3 as text, _score@1 as _score, _rowid@0 as _rowid]
               LanceRead: uri=..., projection=[vector, text], source=stream(_rowid)
                 GlobalLimitExec: skip=0, fetch=10
                   MatchQuery: column=text, query=[hello]
@@ -3986,8 +4028,9 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
         plan : str
         """  # noqa: E501
 
-        vector_plan = await self._inner.to_vector_query().explain_plan(verbose)
-        fts_plan = await self._inner.to_fts_query().explain_plan(verbose)
+        fts_query, vec_query, _, _ = self._create_child_queries()
+        vector_plan = await vec_query.explain_plan(verbose)
+        fts_plan = await fts_query.explain_plan(verbose)
         # Indent sub-plans under the reranker
         indented_vector = "\n".join("  " + line for line in vector_plan.splitlines())
         indented_fts = "\n".join("  " + line for line in fts_plan.splitlines())
@@ -4014,14 +4057,12 @@ class AsyncHybridQuery(AsyncStandardQuery, AsyncVectorQueryBase):
         -------
         plan : str
         """
+        fts_query, vec_query, _, _ = self._create_child_queries()
+
         results = ["Vector Search Query:"]
-        results.append(
-            await self._inner.to_vector_query().analyze_plan(distributed_metrics)
-        )
+        results.append(await vec_query.analyze_plan(distributed_metrics))
         results.append("FTS Search Query:")
-        results.append(
-            await self._inner.to_fts_query().analyze_plan(distributed_metrics)
-        )
+        results.append(await fts_query.analyze_plan(distributed_metrics))
 
         return "\n".join(results)
 

python/python/lancedb/remote/db.py

@@ -9,6 +9,7 @@ from concurrent.futures import ThreadPoolExecutor
 import sys
 from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Union
 from urllib.parse import urlparse
+from uuid import UUID
 import warnings
 
 if sys.version_info >= (3, 12):
@@ -25,10 +26,12 @@ from ..common import DATA
 from ..db import DBConnection, LOOP
 from ..functions import FunctionVersion, UdfDefinition
 from ..job import AsyncJob, Job
+from ..sql import Query as SqlQuery
+from ..sql import QueryDescription
 from ..materialized_view import MaterializedView, SelectArg
 
 if TYPE_CHECKING:
-    from .._lancedb import JobDescription, JobInfo
+    from .._lancedb import JobInfo
 from ..embeddings import EmbeddingFunctionConfig
 from lance_namespace import (
     LanceNamespace,
@@ -116,6 +119,7 @@ class RemoteDBConnection(DBConnection):
         read_timeout: Optional[float] = None,
         storage_options: Optional[Dict[str, str]] = None,
         read_consistency_interval: Optional[timedelta] = None,
+        sql_host_override: Optional[str] = None,
     ):
         """Connect to a remote LanceDB database."""
         if isinstance(client_config, dict):
@@ -161,6 +165,7 @@ class RemoteDBConnection(DBConnection):
         self.api_key = api_key
         self.region = region
         self.host_override = host_override
+        self.sql_host_override = sql_host_override
         self.storage_options = storage_options
         self.db_name = parsed.netloc
 
@@ -175,6 +180,7 @@ class RemoteDBConnection(DBConnection):
                 api_key=api_key,
                 region=region,
                 host_override=host_override,
+                sql_host_override=sql_host_override,
                 client_config=client_config,
                 storage_options=storage_options,
                 read_consistency_interval=read_consistency_interval,
@@ -193,6 +199,7 @@ class RemoteDBConnection(DBConnection):
                 "api_key": self.api_key,
                 "region": self.region,
                 "host_override": self.host_override,
+                "sql_host_override": self.sql_host_override,
                 "client_config": _client_config_to_dict(self.client_config),
                 "storage_options": self.storage_options,
             }
@@ -732,14 +739,11 @@ class RemoteDBConnection(DBConnection):
         )
 
     @override
-    def job(self, job_id: str) -> Job:
-        """A [Job][lancedb.job.Job] handle for a server-side job by id.
-
-        The handle is constructed without a server round trip; an unknown id
-        surfaces when the handle is used. Dropping the handle has no effect
-        on the job itself.
+    def open_job(self, job_id: str) -> Job:
+        """Open a server-side job by id. See
+        [DBConnection.open_job][lancedb.db.DBConnection.open_job].
         """
-        return Job(self._conn.job(job_id))
+        return Job(LOOP.run(self._conn.open_job(job_id)))
 
     @override
     def create_function_async(self, definition: UdfDefinition) -> Job[FunctionVersion]:
@@ -762,14 +766,6 @@ class RemoteDBConnection(DBConnection):
         """List server-side jobs across the database's tables."""
         return LOOP.run(self._conn.list_jobs())
 
-    @override
-    def get_job(self, job_id: str) -> Optional["JobDescription"]:
-        """Describe a single server-side job by id.
-
-        Returns None when the server has no such job.
-        """
-        return LOOP.run(self._conn.get_job(job_id))
-
     @override
     def cancel_job(self, job_id: str) -> bool:
         """Request cancellation of a server-side job by id.
@@ -781,12 +777,35 @@ class RemoteDBConnection(DBConnection):
         return LOOP.run(self._conn.cancel_job(job_id))
 
     @override
-    def job_history(self, job_id: Optional[str] = None) -> List[pa.RecordBatch]:
-        """The lifecycle event history of a server-side job, as Arrow batches.
+    def execute_query_async(
+        self,
+        query: str,
+        *,
+        default_namespace_path: Optional[List[str]] = None,
+    ) -> SqlQuery:
+        """Start executing SQL through this remote connection.
 
-        Lists history across all jobs when `job_id` is None.
+        Unqualified tables use this connection's database and the
+        ``["public"]`` namespace by default. Fully qualified table names may
+        reference other databases available to the same deployment.
         """
-        return LOOP.run(self._conn.job_history(job_id))
+        return SqlQuery(
+            LOOP.run(
+                self._conn.execute_query_async(
+                    query,
+                    default_namespace_path=default_namespace_path,
+                )
+            )
+        )
+
+    @override
+    def describe_query(self, query_id: UUID) -> QueryDescription:
+        """Describe a submitted SQL query by its connection-scoped id."""
+        return LOOP.run(
+            self._conn.describe_query(
+                query_id,
+            )
+        )
 
     @override
     def namespace_client(self) -> LanceNamespace:

python/python/lancedb/remote/header.py

@@ -177,4 +177,7 @@ class OAuthProvider(HeaderProvider):
         if not self._current_token:
             raise RuntimeError("Failed to obtain OAuth token")
 
-        return {"Authorization": f"Bearer {self._current_token}"}
+        return {
+            "Authorization": f"Bearer {self._current_token}",
+            "x-lancedb-credential-type": "oidc",
+        }

python/python/lancedb/remote/table.py

@@ -402,7 +402,6 @@ class RemoteTable(Table):
         /,
         *,
         config: IndexConfigType,
-        replace: bool = ...,
         wait_timeout: Optional[timedelta] = ...,
         name: Optional[str] = ...,
         train: bool = ...,
@@ -417,7 +416,7 @@ class RemoteTable(Table):
         index_cache_size: Optional[int] = ...,
         num_partitions: Optional[int] = ...,
         num_sub_vectors: Optional[int] = ...,
-        replace: bool = ...,
+        replace: Optional[bool] = ...,
         accelerator: Optional[str] = ...,
         index_type: Literal[
             "VECTOR", "IVF_FLAT", "IVF_SQ", "IVF_PQ", "IVF_HNSW_SQ", "IVF_HNSW_PQ"
@@ -436,7 +435,7 @@ class RemoteTable(Table):
         index_cache_size: Optional[int] = None,
         num_partitions: Optional[int] = None,
         num_sub_vectors: Optional[int] = None,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         accelerator: Optional[str] = None,
         index_type="vector",
         wait_timeout: Optional[timedelta] = None,
@@ -480,6 +479,7 @@ class RemoteTable(Table):
             vector_column_name,
             accelerator,
             index_cache_size,
+            replace,
         )
 
         if is_legacy:
@@ -503,6 +503,12 @@ class RemoteTable(Table):
                     "If you have 100M+ vectors to index,"
                     "please contact us at contact@lancedb.com"
                 )
+            if replace is not None:
+                logging.warning(
+                    "replace is not supported on LanceDB cloud."
+                    "Existing indexes will always be replaced."
+                )
+
             idx_type = index_type.upper()
             if idx_type == "VECTOR" or idx_type == "IVF_PQ":
                 config = IvfPq(
@@ -555,7 +561,7 @@ class RemoteTable(Table):
         column: str,
         *,
         config: IndexConfigType,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         wait_timeout: Optional[timedelta] = None,
         name: Optional[str] = None,
         train: bool = True,
@@ -587,6 +593,7 @@ class RemoteTable(Table):
         vector_column_name: str,
         accelerator: Optional[str],
         index_cache_size: Optional[int],
+        replace: Optional[bool],
     ) -> bool:
         """Detect if this is a legacy create_index call."""
         if config is not None:
@@ -598,6 +605,7 @@ class RemoteTable(Table):
                 num_sub_vectors,
                 accelerator,
                 index_cache_size,
+                replace,
             )
         ):
             return True
@@ -712,7 +720,7 @@ class RemoteTable(Table):
         Parameters
         ----------
         query: list/np.ndarray/str/PIL.Image.Image, default None
-            The targetted vector to search for.
+            The targeted vector to search for.
 
             - *default None*.
             Acceptable types are: list, np.ndarray, PIL.Image.Image

python/python/lancedb/rerankers/base.py

@@ -175,7 +175,7 @@ class Reranker(ABC):
             if the results haven't been executed yet or the results in arrow format.
         query : str or None,
             The input query. Some rerankers might not need the query to rerank.
-            In that case, it can be set to None explicitly. This is inteded to
+            In that case, it can be set to None explicitly. This is intended to
             be handled by the reranker implementations.
         deduplicate : bool, optional
             Whether to deduplicate the results based on the `_rowid` column,

python/python/lancedb/sql.py

@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright The LanceDB Authors
+
+"""Handles to SQL queries running on a remote database."""
+
+from uuid import UUID
+
+import pyarrow as pa
+
+from lancedb.background_loop import LOOP
+
+from . import _lancedb
+from .arrow import AsyncRecordBatchReader
+
+QueryDescription = _lancedb.QueryDescription
+
+
+class AsyncQuery:
+    """A handle to a submitted SQL query on an asynchronous connection."""
+
+    def __init__(self, inner: "_lancedb.SqlQuery"):
+        self._inner = inner
+
+    @property
+    def id(self) -> UUID:
+        """The stable identifier scoped to the connection that submitted it."""
+        return self._inner.id
+
+    async def describe(self) -> QueryDescription:
+        """Get a point-in-time description of the query."""
+        return await self._inner.describe()
+
+    async def reader(self) -> AsyncRecordBatchReader:
+        """Wait for the initial result stream and return its Arrow reader.
+
+        Results are single-consumer. Calling this method more than once on the
+        same query raises an error. Later batches are streamed as they become
+        available without waiting for the full query to finish.
+        """
+        return AsyncRecordBatchReader(await self._inner.reader())
+
+    async def cancel(self) -> None:
+        """Request cancellation of the query."""
+        await self._inner.cancel()
+
+
+class Query:
+    """Synchronous counterpart of :class:`AsyncQuery`."""
+
+    def __init__(self, inner: AsyncQuery):
+        self._inner = inner
+
+    @property
+    def id(self) -> UUID:
+        """The stable identifier scoped to the connection that submitted it."""
+        return self._inner.id
+
+    def describe(self) -> QueryDescription:
+        """Get a point-in-time description of the query."""
+        return LOOP.run(self._inner.describe())
+
+    def reader(self) -> pa.RecordBatchReader:
+        """Wait for the initial result stream and return a blocking reader.
+
+        Results are single-consumer. Calling this method more than once on the
+        same query raises an error. Later batches block only until they become
+        available, without waiting for the full query to finish.
+        """
+        reader = LOOP.run(self._inner.reader())
+
+        def next_batch():
+            try:
+                return LOOP.run(reader.__anext__())
+            except StopAsyncIteration:
+                return None
+
+        def batches():
+            while (batch := next_batch()) is not None:
+                yield batch
+
+        return pa.RecordBatchReader.from_batches(reader.schema, batches())
+
+    def cancel(self) -> None:
+        """Request cancellation of the query."""
+        LOOP.run(self._inner.cancel())
+
+
+__all__ = ["AsyncQuery", "Query", "QueryDescription"]

python/python/lancedb/table.py

@@ -1132,7 +1132,7 @@ class Table(ABC):
         num_partitions: Optional[int] = None,
         num_sub_vectors: Optional[int] = None,
         vector_column_name: str = VECTOR_COLUMN_NAME,
-        replace: bool = False,
+        replace: bool = True,
         accelerator: Optional[str] = None,
         index_cache_size: Optional[int] = None,
         *,
@@ -1166,7 +1166,7 @@ class Table(ABC):
             The index configuration object. If provided, uses the new unified API.
             Can be one of: IvfFlat, IvfPq, IvfSq, IvfRq, HnswPq, HnswSq,
             BTree, Bitmap, LabelList, Fm, FTS.
-        replace : bool, default False
+        replace : bool, default True
             Whether to replace an existing index on this column.
         wait_timeout : timedelta, optional
             Timeout to wait for async indexing to complete.
@@ -1198,7 +1198,7 @@ class Table(ABC):
         column: str,
         *,
         config: IndexConfigType,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         wait_timeout: Optional[timedelta] = None,
         name: Optional[str] = None,
         train: bool = True,
@@ -1260,7 +1260,7 @@ class Table(ABC):
         self,
         column: str,
         *,
-        replace: bool = False,
+        replace: bool = True,
         index_type: ScalarIndexType = "BTREE",
         wait_timeout: Optional[timedelta] = None,
         name: Optional[str] = None,
@@ -1272,7 +1272,7 @@ class Table(ABC):
         column : str
             The column to be indexed.  Must be a boolean, integer, float,
             or string column.
-        replace : bool, default False
+        replace : bool, default True
             Replace the existing index if it exists.
         index_type: Literal["BTREE", "BITMAP", "LABEL_LIST"], default "BTREE"
             The type of index to create.
@@ -1619,7 +1619,7 @@ class Table(ABC):
         Parameters
         ----------
         query: list/np.ndarray/str/PIL.Image.Image, default None
-            The targetted vector to search for.
+            The targeted vector to search for.
 
             - *default None*.
             Acceptable types are: list, np.ndarray, PIL.Image.Image
@@ -1793,6 +1793,9 @@ class Table(ABC):
         The result has the same length and order as ``row_ids``. Null blobs
         produce null slots; valid empty blobs produce ``b""``.
 
+        ``_rowid`` values stay valid after compaction when the table has stable
+        row ids.
+
         Convenience for small payloads. For large values use
         :meth:`fetch_blob_files`.
         """
@@ -1810,6 +1813,9 @@ class Table(ABC):
         The result has the same length and order as ``requests``; null blobs
         produce null slots and empty ranges on non-null blobs produce ``b""``.
 
+        ``_rowid`` values stay valid after compaction when the table has stable
+        row ids.
+
         Row IDs can be obtained from a query with ``with_row_id(True)``. This
         API is currently supported only by local tables.
         """
@@ -1825,6 +1831,9 @@ class Table(ABC):
         ``_rowid`` or a ``_lance_row_id`` field on the blob descriptor. Null
         rows are ``None``. Remote tables require LanceDB Cloud server 0.5.0 or
         newer.
+
+        ``_rowid`` values stay valid after compaction when the table has stable
+        row ids.
         """
 
     @abstractmethod
@@ -2988,7 +2997,7 @@ class LanceTable(Table):
         num_partitions: Optional[int] = None,
         num_sub_vectors: Optional[int] = None,
         vector_column_name: str = VECTOR_COLUMN_NAME,
-        replace: bool = False,
+        replace: bool = True,
         accelerator: Optional[str] = None,
         index_cache_size: Optional[int] = None,
         num_bits: int = 8,
@@ -3030,7 +3039,7 @@ class LanceTable(Table):
             The index configuration object. If provided, uses the new unified API.
             Can be one of: IvfFlat, IvfPq, IvfSq, IvfRq, HnswPq, HnswSq,
             BTree, Bitmap, LabelList, Fm, FTS.
-        replace : bool, default False
+        replace : bool, default True
             Whether to replace an existing index on this column.
         wait_timeout : timedelta, optional
             Timeout to wait for async indexing to complete.
@@ -3169,7 +3178,7 @@ class LanceTable(Table):
         column: str,
         *,
         config: IndexConfigType,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         wait_timeout: Optional[timedelta] = None,
         name: Optional[str] = None,
         train: bool = True,
@@ -3424,7 +3433,7 @@ class LanceTable(Table):
         self,
         column: str,
         *,
-        replace: bool = False,
+        replace: bool = True,
         index_type: ScalarIndexType = "BTREE",
         name: Optional[str] = None,
     ):
@@ -3832,7 +3841,7 @@ class LanceTable(Table):
         Parameters
         ----------
         query: list/np.ndarray/str/PIL.Image.Image, default None
-            The targetted vector to search for.
+            The targeted vector to search for.
 
             - *default None*.
             Acceptable types are: list, np.ndarray, PIL.Image.Image
@@ -5313,7 +5322,7 @@ class AsyncTable:
         self,
         column: str,
         *,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         config: Optional[
             Union[
                 IvfFlat,
@@ -5344,14 +5353,14 @@ class AsyncTable:
         ----------
         column: str
             The column to index.
-        replace: bool, default False
+        replace: bool, default True
             Whether to replace the existing index
 
             If this is false, and another index already exists on the same columns
             and the same name, then an error will be returned.  This is true even if
             that index is out of date.
 
-            The default is False
+            The default is True
         config: default None
             For advanced configuration you can specify the type of index you would
             like to create.   You can also specify index-specific parameters when
@@ -5409,7 +5418,7 @@ class AsyncTable:
         self,
         column: str,
         *,
-        replace: bool = False,
+        replace: Optional[bool] = None,
         config: Optional[
             Union[
                 IvfFlat,
@@ -5629,7 +5638,7 @@ class AsyncTable:
         if fill_value is None:
             fill_value = 0.0
 
-        # _santitize_data is an old code path, but we will use it until the
+        # _sanitize_data is an old code path, but we will use it until the
         # new code path is ready.
         if mode == "overwrite":
             # For overwrite, apply the same preprocessing as create_table
@@ -5805,7 +5814,7 @@ class AsyncTable:
         Parameters
         ----------
         query: list/np.ndarray/str/PIL.Image.Image, default None
-            The targetted vector to search for.
+            The targeted vector to search for.
 
             - *default None*.
             Acceptable types are: list, np.ndarray, PIL.Image.Image

python/python/tests/test_blob.py

@@ -66,6 +66,25 @@ def _row_ids_by_id(table):
     return dict(zip(hits["id"].to_pylist(), hits["_rowid"].to_pylist()))
 
 
+def _assert_missing_blob_row_ids(exc_info):
+    message = str(exc_info.value)
+    assert "row ids" in message
+    assert "rowaddr" not in message
+    assert "fragment" not in message
+
+
+def _assert_fetch_apis_reject_missing_row_ids(table, row_ids):
+    with pytest.raises(ValueError) as exc_info:
+        table.fetch_blobs("image", row_ids)
+    _assert_missing_blob_row_ids(exc_info)
+    with pytest.raises(ValueError) as exc_info:
+        table.fetch_blob_files("image", row_ids)
+    _assert_missing_blob_row_ids(exc_info)
+    with pytest.raises(ValueError) as exc_info:
+        table.fetch_blob_ranges("image", [(row_id, 0, 1) for row_id in row_ids])
+    _assert_missing_blob_row_ids(exc_info)
+
+
 def test_blob_factory_declares_v2_field():
     field = lancedb.blob("image")
     assert isinstance(field.type, pa.ExtensionType)
@@ -278,7 +297,10 @@ def test_blob_v2_projection_sources_use_typed_column_name():
 
 
 def _legacy_v1_table(name):
-    db = lancedb.connect("memory:///")
+    # Legacy v1 blob columns are only writable at file version <= 2.1.
+    db = lancedb.connect(
+        "memory:///", storage_options={"new_table_data_storage_version": "2.1"}
+    )
     schema = pa.schema(
         [
             pa.field("id", pa.int64()),
@@ -691,6 +713,25 @@ def test_fetch_blobs_accepts_query_result():
     assert {blobs[i].as_py() for i in range(len(blobs))} == {b"gamma"}
 
 
+def test_fetch_blobs_after_compact_with_stable_row_ids(tmp_path):
+    db = lancedb.connect(
+        tmp_path, storage_options={"new_table_enable_stable_row_ids": "true"}
+    )
+    schema = pa.schema([pa.field("id", pa.int64()), lancedb.blob("image")])
+    table = db.create_table("t", schema=schema)
+    table.add([{"id": 1, "image": b"frag-one"}])
+    table.add([{"id": 2, "image": b"frag-two"}])
+    by_id = _row_ids_by_id(table)
+    ids = [by_id[1], by_id[2]]
+
+    table.optimize()
+
+    blobs = table.fetch_blobs("image", ids)
+    assert blobs.to_pylist() == [b"frag-one", b"frag-two"]
+    ranges = table.fetch_blob_ranges("image", [(ids[0], 5, 3), (ids[1], 5, 3)])
+    assert ranges.to_pylist() == [b"one", b"two"]
+
+
 def test_fetch_blobs_preserves_null_and_empty_values():
     table = _blob_table(
         "nulls",
@@ -739,8 +780,25 @@ def test_fetch_blob_ranges_validates_requests():
     with pytest.raises(ValueError, match="offset \\+ length overflowed"):
         table.fetch_blob_ranges("image", [(row_id, 2**64 - 1, 1)])
 
-    with pytest.raises(ValueError, match="row IDs"):
+    with pytest.raises(ValueError) as exc_info:
         table.fetch_blob_ranges("image", [(2**64 - 1, 0, 1)])
+    _assert_missing_blob_row_ids(exc_info)
+
+
+def test_fetch_blob_apis_reject_missing_fragment_row_addr():
+    table = _blob_table("missing_frag", [{"id": 1, "image": b"x"}])
+    live = _row_ids_by_id(table)[1]
+    _assert_fetch_apis_reject_missing_row_ids(table, [1 << 32, live])
+
+
+def test_fetch_blob_apis_reject_deleted_row_ids():
+    table = _blob_table(
+        "deleted_rows",
+        [{"id": 1, "image": b"one"}, {"id": 2, "image": b"two"}],
+    )
+    by_id = _row_ids_by_id(table)
+    table.delete("id = 2")
+    _assert_fetch_apis_reject_missing_row_ids(table, [by_id[2], by_id[1]])
 
 
 def test_fetch_blob_ranges_empty_requests_returns_empty_array():

python/python/tests/test_embeddings.py

@@ -327,8 +327,8 @@ def test_embedding_function_with_pandas(tmp_path):
         ) -> List[np.array]:
             return [np.random.randn(self.ndims()).tolist() for _ in range(len(texts))]
 
-    registery = get_registry()
-    func = registery.get("mock-embedding").create()
+    registry = get_registry()
+    func = registry.get("mock-embedding").create()
 
     class TestSchema(LanceModel):
         text: str = func.SourceField()
@@ -394,9 +394,9 @@ def test_multiple_embeddings_for_pandas(tmp_path):
         ) -> List[np.array]:
             return [np.random.randn(self.ndims()).tolist() for _ in range(len(texts))]
 
-    registery = get_registry()
-    func1 = registery.get("mock-embedding").create()
-    func2 = registery.get("mock-embedding2").create()
+    registry = get_registry()
+    func1 = registry.get("mock-embedding").create()
+    func2 = registry.get("mock-embedding2").create()
 
     class TestSchema(LanceModel):
         text: str = func1.SourceField()

python/python/tests/test_first_class_function_slice2.py

@@ -850,6 +850,43 @@ def test_named_struct_function_can_include_a_blob_result_field():
     ]
 
 
+def test_named_struct_function_preserves_nullable_result_fields():
+    @udf(
+        input_schema=pa.schema([pa.field("value", pa.int64(), nullable=False)]),
+        output_schema=pa.schema(
+            [
+                pa.field("result", pa.int64(), nullable=True),
+                pa.field("failure_code", pa.int32(), nullable=False),
+            ]
+        ),
+    )
+    def nullable_result(value):
+        return {"result": value, "failure_code": 0}
+
+    output = nullable_result.registration_request.signature.output
+    assert [(field.name, field.nullable) for field in output.fields] == [
+        ("result", True),
+        ("failure_code", False),
+    ]
+
+    @udf(
+        input_schema=pa.schema([pa.field("value", pa.int64(), nullable=False)]),
+        output_schema=pa.schema(
+            [
+                pa.field("result", pa.int64(), nullable=True),
+                pa.field("failure_code", pa.int32(), nullable=True),
+            ]
+        ),
+    )
+    def all_nullable(value):
+        return {"result": value, "failure_code": None}
+
+    assert all(
+        field.nullable
+        for field in all_nullable.registration_request.signature.output.fields
+    )
+
+
 def test_metadata_marked_blob_field_uses_the_semantic_type():
     extension = lancedb.blob("image", nullable=False).type
     storage = (

python/python/tests/test_fts.py

@@ -1011,8 +1011,13 @@ def test_fts_ngram(mem_db: DBConnection):
     assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
 
     results = (
-        table.search("nce", query_type="fts").limit(10).to_list()
-    )  # spellchecker:disable-line
+        table.search(
+            "nce",  # spellchecker:disable-line
+            query_type="fts",
+        )
+        .limit(10)
+        .to_list()
+    )
     assert len(results) == 2
     assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
 
@@ -1034,8 +1039,13 @@ def test_fts_ngram(mem_db: DBConnection):
     assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
 
     results = (
-        table.search("nce", query_type="fts").limit(10).to_list()
-    )  # spellchecker:disable-line
+        table.search(
+            "nce",  # spellchecker:disable-line
+            query_type="fts",
+        )
+        .limit(10)
+        .to_list()
+    )
     assert len(results) == 0
 
     results = table.search("la", query_type="fts").limit(10).to_list()

python/python/tests/test_header_provider.py

@@ -54,7 +54,10 @@ class TestOAuthProvider:
         provider = OAuthProvider(fetcher)
         headers = provider.get_headers()
 
-        assert headers == {"Authorization": "Bearer token123"}
+        assert headers == {
+            "Authorization": "Bearer token123",
+            "x-lancedb-credential-type": "oidc",
+        }
         assert provider._current_token == "token123"
         assert provider._token_expires_at is not None
 
@@ -73,14 +76,20 @@ class TestOAuthProvider:
 
         # First call
         headers1 = provider.get_headers()
-        assert headers1 == {"Authorization": "Bearer token1"}
+        assert headers1 == {
+            "Authorization": "Bearer token1",
+            "x-lancedb-credential-type": "oidc",
+        }
 
         # Wait for token to expire
         time.sleep(1.1)
 
         # Second call should refresh
         headers2 = provider.get_headers()
-        assert headers2 == {"Authorization": "Bearer token2"}
+        assert headers2 == {
+            "Authorization": "Bearer token2",
+            "x-lancedb-credential-type": "oidc",
+        }
         assert call_count == 2
 
     def test_no_expiry_info(self):
@@ -92,12 +101,18 @@ class TestOAuthProvider:
         provider = OAuthProvider(fetcher)
         headers = provider.get_headers()
 
-        assert headers == {"Authorization": "Bearer permanent_token"}
+        assert headers == {
+            "Authorization": "Bearer permanent_token",
+            "x-lancedb-credential-type": "oidc",
+        }
         assert provider._token_expires_at is None
 
         # Should not refresh on second call
         headers2 = provider.get_headers()
-        assert headers2 == {"Authorization": "Bearer permanent_token"}
+        assert headers2 == {
+            "Authorization": "Bearer permanent_token",
+            "x-lancedb-credential-type": "oidc",
+        }
 
     def test_missing_access_token(self):
         """Test error handling when access_token is missing."""
@@ -121,7 +136,10 @@ class TestOAuthProvider:
         provider = OAuthProvider(fetcher)
         headers = provider.get_headers()
 
-        assert headers == {"Authorization": "Bearer sync_token"}
+        assert headers == {
+            "Authorization": "Bearer sync_token",
+            "x-lancedb-credential-type": "oidc",
+        }
 
 
 class TestClientConfigIntegration:

python/python/tests/test_hybrid_query.py

@@ -203,6 +203,93 @@ async def test_async_hybrid_query_default_limit(table: AsyncTable):
     assert texts.count("a") == 1
 
 
+@pytest.mark.asyncio
+async def test_async_hybrid_query_offset(table: AsyncTable):
+    # The offset window of a hybrid query must be a suffix of the same query
+    # run without an offset. Skipping the first rows of each sub-query instead
+    # of the first rows of the fused result silently changes which rows land in
+    # the window.
+    full = await (
+        table.query()
+        .nearest_to([0.0, 0.4])
+        .nearest_to_text("dog")
+        .limit(4)
+        .with_row_id()
+        .to_arrow()
+    )
+    assert len(full) == 4
+
+    second_page = await (
+        table.query()
+        .nearest_to([0.0, 0.4])
+        .nearest_to_text("dog")
+        .offset(2)
+        .limit(2)
+        .with_row_id()
+        .to_arrow()
+    )
+    assert second_page["_rowid"].to_pylist() == full["_rowid"].to_pylist()[2:]
+
+    first_page = await (
+        table.query()
+        .nearest_to([0.0, 0.4])
+        .nearest_to_text("dog")
+        .limit(2)
+        .with_row_id()
+        .to_arrow()
+    )
+    # Paging through the result must visit every row exactly once: no row
+    # repeated from the previous page and none dropped between the two.
+    paged = first_page["_rowid"].to_pylist() + second_page["_rowid"].to_pylist()
+    assert sorted(paged) == sorted(full["_rowid"].to_pylist())
+
+
+@pytest.mark.asyncio
+async def test_async_hybrid_query_fts_first_default_limit(table: AsyncTable):
+    # nearest_to() and nearest_to_text() build their new sibling sub-query from
+    # scratch, and that is the sub-query the default limit ends up on. So the
+    # side that carries the limit depends on the order the hybrid query was
+    # built in, and looking at only one side loses the limit for half the ways
+    # a hybrid query can be written. Without a limit the combined results are
+    # not truncated at all and the whole union of both candidate lists is
+    # returned.
+    await table.add([{"text": "dog", "vector": [50.0 + i, 50.0]} for i in range(10)])
+
+    result = await (
+        table.query().nearest_to_text("dog").nearest_to([0.1, 0.1]).to_arrow()
+    )
+    assert len(result) == 10
+
+    offset_result = await (
+        table.query().nearest_to_text("dog").nearest_to([0.1, 0.1]).offset(2).to_arrow()
+    )
+    assert len(offset_result) == 10
+
+
+@pytest.mark.asyncio
+async def test_async_hybrid_query_explain_plan_matches_execution(table: AsyncTable):
+    # Paging rewrites the sub-queries: each one fetches limit + offset rows with
+    # no offset of its own, and the window is sliced out after fusion. The plans
+    # have to be built from those rewritten sub-queries, otherwise explain_plan
+    # and analyze_plan describe a query that is never run.
+    query = (
+        table.query().nearest_to([0.0, 0.4]).nearest_to_text("dog").offset(2).limit(2)
+    )
+    await query.to_arrow()
+
+    plan = await query.explain_plan()
+    assert [
+        line.strip() for line in plan.splitlines() if "GlobalLimitExec" in line
+    ] == [
+        "GlobalLimitExec: skip=0, fetch=4",
+        "GlobalLimitExec: skip=0, fetch=4",
+    ]
+
+    analyzed = await query.analyze_plan()
+    assert analyzed.count("skip=0, fetch=4") == 2
+    assert "skip=2" not in analyzed
+
+
 def test_hybrid_query_offset(sync_table: Table):
     # The offset window of a hybrid query must be a suffix of the same query
     # run without an offset -- it must not be silently ignored.

python/python/tests/test_index.py

@@ -97,9 +97,6 @@ async def test_create_index_async_returns_done_job(some_table: AsyncTable):
 async def test_create_scalar_index(some_table: AsyncTable):
     # Can create
     await some_table.create_index("id")
-    # Can't recreate by default
-    with pytest.raises(RuntimeError, match="already exists"):
-        await some_table.create_index("id")
     # Can recreate if replace=True
     await some_table.create_index("id", replace=True)
     indices = await some_table.list_indices()
@@ -113,7 +110,7 @@ async def test_create_scalar_index(some_table: AsyncTable):
     with pytest.raises(RuntimeError, match="already exists"):
         await some_table.create_index("id", replace=False)
     # can also specify index type
-    await some_table.create_index("id", config=BTree(), replace=True)
+    await some_table.create_index("id", config=BTree())
 
     await some_table.drop_index("id_idx")
     indices = await some_table.list_indices()
@@ -354,18 +351,13 @@ async def test_full_text_search_index(some_table: AsyncTable):
 async def test_create_vector_index(some_table: AsyncTable):
     # Can create
     await some_table.create_index("vector")
-    # Can't recreate by default
-    with pytest.raises(RuntimeError, match="already exists"):
-        await some_table.create_index("vector")
     # Can recreate if replace=True
     await some_table.create_index("vector", replace=True)
     # Can't recreate if replace=False
     with pytest.raises(RuntimeError, match="already exists"):
         await some_table.create_index("vector", replace=False)
     # Can also specify index type
-    await some_table.create_index(
-        "vector", config=IvfPq(num_partitions=100), replace=True
-    )
+    await some_table.create_index("vector", config=IvfPq(num_partitions=100))
     indices = await some_table.list_indices()
     assert len(indices) == 1
     assert indices[0].index_type == "IvfPq"

python/python/tests/test_namespace.py

@@ -193,7 +193,13 @@ class TestNamespaceConnection:
             ),
         )
 
-        table = db.create_table("blob_table", data, namespace_path=["test_ns"])
+        # Legacy v1 blob columns are only writable at file version <= 2.1.
+        table = db.create_table(
+            "blob_table",
+            data,
+            namespace_path=["test_ns"],
+            storage_options={"new_table_data_storage_version": "2.1"},
+        )
         df = table.to_pandas(blob_mode="lazy").sort_values("id")
 
         blob = df["blob"].iloc[0]

python/python/tests/test_query.py

@@ -40,6 +40,10 @@ from utils import exception_output
 from importlib.util import find_spec
 
 
+# Legacy v1 blob columns are only writable at file version <= 2.1.
+LEGACY_BLOB_STORAGE_OPTIONS = {"new_table_data_storage_version": "2.1"}
+
+
 def _blob_query_data():
     return pa.table(
         {
@@ -119,13 +123,17 @@ def _assert_blob_bytes_projection(df):
 
 def _blob_query_table(db, name, blob_schema):
     if blob_schema == "v1":
-        return db.create_table(name, _blob_query_data())
+        return db.create_table(
+            name, _blob_query_data(), storage_options=LEGACY_BLOB_STORAGE_OPTIONS
+        )
     return _create_blob_v2_query_table(db, name)
 
 
 async def _blob_query_table_async(db, name, blob_schema):
     if blob_schema == "v1":
-        return await db.create_table(name, _blob_query_data())
+        return await db.create_table(
+            name, _blob_query_data(), storage_options=LEGACY_BLOB_STORAGE_OPTIONS
+        )
     return await _create_blob_v2_query_table_async(db, name)
 
 
@@ -275,7 +283,9 @@ async def test_query_to_pandas_kwargs(table, table_async):
 def test_plain_scan_query_to_pandas_blob_modes(tmp_db, blob_mode):
     pytest.importorskip("lance")
     table = tmp_db.create_table(
-        f"test_query_to_pandas_blob_{blob_mode}", _blob_query_data()
+        f"test_query_to_pandas_blob_{blob_mode}",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
 
     df = (
@@ -322,7 +332,9 @@ def test_plain_scan_query_to_pandas_blob_mode_does_not_collect_arrow(
 ):
     pytest.importorskip("lance")
     table = tmp_db.create_table(
-        "test_query_to_pandas_blob_no_arrow_collect", _blob_query_data()
+        "test_query_to_pandas_blob_no_arrow_collect",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
     query = table.search().where("id = 1").select(["id", "blob"])
 
@@ -347,7 +359,9 @@ def test_plain_scan_query_to_pandas_blob_descriptions_flatten_uses_scanner(
 ):
     pytest.importorskip("lance")
     table = tmp_db.create_table(
-        "test_query_to_pandas_blob_desc_flatten", _blob_query_data()
+        "test_query_to_pandas_blob_desc_flatten",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
     query = table.search().where("id = 1").select(["id", "blob"])
 
@@ -365,7 +379,11 @@ def test_plain_scan_query_to_pandas_blob_descriptions_flatten_uses_scanner(
 def test_plain_scan_query_to_pandas_scanner_state(tmp_db):
     pytest.importorskip("lance")
     data = _blob_query_data()
-    table = tmp_db.create_table("test_query_to_pandas_scanner_state", data.slice(0, 2))
+    table = tmp_db.create_table(
+        "test_query_to_pandas_scanner_state",
+        data.slice(0, 2),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
+    )
     table.add(data.slice(2, 2))
 
     fragments = table.to_lance().get_fragments()
@@ -400,7 +418,9 @@ def test_plain_scan_query_to_pandas_scanner_state(tmp_db):
 async def test_async_plain_scan_query_to_pandas_blob_projection(tmp_db_async):
     pytest.importorskip("lance")
     table = await tmp_db_async.create_table(
-        "test_async_query_to_pandas_blob_projection", _blob_query_data()
+        "test_async_query_to_pandas_blob_projection",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
 
     lazy_df = await (
@@ -452,7 +472,9 @@ async def test_async_plain_scan_query_to_pandas_blob_mode_does_not_collect_arrow
 ):
     pytest.importorskip("lance")
     table = await tmp_db_async.create_table(
-        "test_async_query_to_pandas_blob_no_arrow_collect", _blob_query_data()
+        "test_async_query_to_pandas_blob_no_arrow_collect",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
     query = table.query().where("id = 1").select(["id", "blob"])
 
@@ -474,7 +496,11 @@ async def test_async_plain_scan_query_to_pandas_blob_mode_does_not_collect_arrow
 
 def test_vector_query_to_pandas_blob_mode_requires_native_path(tmp_db):
     pytest.importorskip("lance")
-    table = tmp_db.create_table("test_vector_query_blob_mode", _blob_query_data())
+    table = tmp_db.create_table(
+        "test_vector_query_blob_mode",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
+    )
 
     with pytest.raises(RuntimeError, match="Lance native pandas conversion"):
         table.search([1.0, 0.0]).select(["blob", "vector"]).limit(1).to_pandas(
@@ -485,7 +511,9 @@ def test_vector_query_to_pandas_blob_mode_requires_native_path(tmp_db):
 def test_vector_query_to_pandas_blob_descriptions_requires_plain_scan(tmp_db):
     pytest.importorskip("lance")
     table = tmp_db.create_table(
-        "test_vector_query_blob_descriptions", _blob_query_data()
+        "test_vector_query_blob_descriptions",
+        _blob_query_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
     )
 
     with pytest.raises(RuntimeError, match="plain scan query"):

python/python/tests/test_remote_db.py

@@ -834,7 +834,7 @@ def test_table_create_indices():
         vector_req = received_requests[2]
         assert "name" in vector_req
         assert vector_req["name"] == "custom_vector_idx"
-        assert vector_req["replace"] is False
+        assert "replace" not in vector_req
 
         table.wait_for_index(["custom_scalar_idx"], timedelta(seconds=2))
         table.wait_for_index(
@@ -2467,7 +2467,7 @@ def test_remote_blob_byte_apis_not_supported_on_old_server():
 
 
 def test_remote_connection_jobs_surface():
-    from lancedb.exceptions import JobFailedError
+    from lancedb.exceptions import JobFailedError, JobNotFoundError
 
     schema = pa.schema([("state", pa.string())])
     batch = pa.record_batch([pa.array(["created", "done"])], schema=schema)
@@ -2475,6 +2475,7 @@ def test_remote_connection_jobs_surface():
     with pa.ipc.new_stream(sink, schema) as writer:
         writer.write_batch(batch)
     events_body = sink.getvalue().to_pybytes()
+    query_events_payloads = []
 
     def handler(request):
         content_len = int(request.headers.get("Content-Length", 0))
@@ -2512,6 +2513,22 @@ def test_remote_connection_jobs_surface():
             request.end_headers()
             request.wfile.write(json.dumps(rsp).encode())
         elif request.path == "/v1/jobs/describe":
+            if payload["job_id"] == "job-2":
+                request.send_response(200)
+                request.send_header("Content-Type", "application/json")
+                request.end_headers()
+                request.wfile.write(
+                    json.dumps(
+                        dict(
+                            job_id="job-2",
+                            job_type="refresh_column",
+                            job_state="DONE",
+                            creation_ms=2000,
+                            result=dict(rows_assigned=1000000, rows_failed=0),
+                        )
+                    ).encode()
+                )
+                return
             if payload["job_id"] != "job-1":
                 request.send_response(404)
                 request.end_headers()
@@ -2543,7 +2560,7 @@ def test_remote_connection_jobs_surface():
             request.end_headers()
             request.wfile.write(b'{"job_id": "job-1"}')
         elif request.path == "/v1/jobs/query_events":
-            assert payload["job_id"] == "job-1"
+            query_events_payloads.append(payload)
             request.send_response(200)
             request.send_header("Content-Type", "application/vnd.apache.arrow.stream")
             request.end_headers()
@@ -2559,24 +2576,109 @@ def test_remote_connection_jobs_surface():
         assert jobs[0].table == "t1"
         assert jobs[1].state == "finished"
 
-        description = db.get_job("job-1")
-        assert description.job_type == "create_index"
-        assert description.state == "failed"
-        assert json.loads(description.spec_json) == {"column": "vec"}
-        assert description.failure.message == "worker died"
-        assert description.failure.retryable is True
-        assert db.get_job("missing") is None
-
         assert db.cancel_job("job-1") is True
         assert db.cancel_job("missing") is False
 
-        batches = db.job_history("job-1")
-        assert len(batches) == 1
-        assert batches[0].num_rows == 2
-        assert batches[0].column("state").to_pylist() == ["created", "done"]
+        # Opening a job hands back a populated handle; a missing one fails.
+        with pytest.raises(JobNotFoundError, match="missing"):
+            db.open_job("missing")
+        finished = db.open_job("job-2")
+        assert finished.state == "finished"
+        assert finished.result == {"rows_assigned": 1000000, "rows_failed": 0}
 
-        job = db.job("job-1")
+        job = db.open_job("job-1")
         assert job.id == "job-1"
+        # Opening already populated the handle.
+        assert job.state == "failed"
+        assert job.spec == {"column": "vec"}
+        assert job.failure.message == "worker died"
         assert job.status() == "failed"
         with pytest.raises(JobFailedError, match="worker died"):
             job.wait(timeout=timedelta(seconds=5))
+
+
+def test_remote_job_handle_reports_its_own_detail():
+    schema = pa.schema([("state", pa.string())])
+    batch = pa.record_batch([pa.array(["claim_complete"])], schema=schema)
+    sink = pa.BufferOutputStream()
+    with pa.ipc.new_stream(sink, schema) as writer:
+        writer.write_batch(batch)
+    events_body = sink.getvalue().to_pybytes()
+    event_payloads = []
+
+    def handler(request):
+        content_len = int(request.headers.get("Content-Length", 0))
+        body = request.rfile.read(content_len) if content_len > 0 else b""
+        payload = json.loads(body) if body else {}
+        if request.path == "/v1/jobs/describe":
+            request.send_response(200)
+            request.send_header("Content-Type", "application/json")
+            request.end_headers()
+            request.wfile.write(
+                json.dumps(
+                    dict(
+                        job_id="job-1",
+                        job_type="refresh_column",
+                        job_state="DONE",
+                        creation_ms=2000,
+                        spec=dict(column="vec"),
+                        result=dict(rows_assigned=1000000),
+                    )
+                ).encode()
+            )
+        elif request.path == "/v1/jobs/query_events":
+            event_payloads.append(payload)
+            request.send_response(200)
+            request.send_header("Content-Type", "application/vnd.apache.arrow.stream")
+            request.end_headers()
+            request.wfile.write(events_body)
+        else:
+            request.send_response(404)
+            request.end_headers()
+
+    with mock_lancedb_connection(handler) as db:
+        job = db.open_job("job-1")
+
+        # Opening populates the handle in the same round trip.
+        assert job.state == "finished"
+        job.refresh()
+        assert job.job_type == "refresh_column"
+        assert job.creation_ms == 2000
+        assert job.spec == {"column": "vec"}
+        assert job.result == {"rows_assigned": 1000000}
+        assert job.failure is None
+        # The JSON payloads stay reachable, but as internal APIs.
+        assert json.loads(job._spec_json) == {"column": "vec"}
+        assert json.loads(job._result_json) == {"rows_assigned": 1000000}
+
+        # print() shows everything the handle knows and nothing it does not.
+        # print() lays every known field out on its own line, with the JSON
+        # payloads indented rather than crammed onto one line.
+        assert repr(job) == "\n".join(
+            [
+                "Job(",
+                "    id='job-1',",
+                "    state='finished',",
+                "    job_type='refresh_column',",
+                "    creation_ms=2000,",
+                "    spec={",
+                '        "column": "vec"',
+                "    },",
+                "    result={",
+                '        "rows_assigned": 1000000',
+                "    },",
+                ")",
+            ]
+        )
+        # Nothing it does not know shows up.
+        assert "failure" not in repr(job)
+
+        events = job.events(filter="state = 'claim_complete'", limit=500)
+        assert isinstance(events, pa.Table)
+        assert events.column("state").to_pylist() == ["claim_complete"]
+        # The handle supplies job_id; the caller only narrows the query.
+        assert event_payloads[-1] == {
+            "job_id": "job-1",
+            "limit": 500,
+            "filter": "state = 'claim_complete'",
+        }

python/python/tests/test_rerankers.py

@@ -81,7 +81,7 @@ def get_test_table(tmp_path):
         "but his son was mortal",
         "there hasn't been a good battlefield game since 2142",
         "I wish they would make another one",
-        "campains are not as good as they used to be",
+        "campaigns are not as good as they used to be",
         "Multiplayer and open world games have destroyed the single player experience",
         "Maybe the future is console games",
         "I don't know",

python/python/tests/test_sql.py

@@ -0,0 +1,162 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright The LanceDB Authors
+
+from uuid import UUID
+
+import pytest
+import pyarrow as pa
+
+import lancedb
+from lancedb import _lancedb
+from lancedb.arrow import AsyncRecordBatchReader
+from lancedb.db import AsyncConnection
+from lancedb.remote.db import RemoteDBConnection
+from lancedb.sql import AsyncQuery, Query
+
+NIL_QUERY_ID = UUID(int=0)
+
+
+class FakeNativeQuery:
+    id = UUID("0198f1b2-c3d4-7e5f-8123-456789abcdef")
+
+    async def reader(self):
+        return pa.table({"value": [1, 2]})
+
+
+class FakeNativeConnection:
+    async def execute_query_async(self, query, *, default_namespace_path=None):
+        return FakeNativeQuery()
+
+
+class FakeAsyncConnection:
+    async def execute_query_async(self, query, *, default_namespace_path=None):
+        return AsyncQuery(FakeNativeQuery())
+
+
+def remote_connection(sql_host_override=None):
+    return lancedb.connect(
+        "db://analytics",
+        api_key="test-key",
+        host_override="http://localhost:10024",
+        sql_host_override=sql_host_override,
+    )
+
+
+def test_sql_is_connection_scoped():
+    assert hasattr(lancedb, "sql")
+    assert not callable(lancedb.sql)
+    assert not hasattr(_lancedb, "sql")
+    assert not hasattr(remote_connection(), "sql")
+    assert hasattr(remote_connection(), "execute_query")
+    assert hasattr(remote_connection(), "execute_query_async")
+    assert hasattr(remote_connection(), "describe_query")
+
+
+def test_query_id_is_uuid():
+    query = AsyncQuery(FakeNativeQuery())
+    assert isinstance(query.id, UUID)
+    assert Query(query).id == query.id
+
+
+def test_connection_serializes_sql_host_override():
+    endpoint = "grpc+tls://sql.example.com:10026"
+    restored = lancedb.deserialize_conn(
+        remote_connection(sql_host_override=endpoint).serialize()
+    )
+    assert restored.sql_host_override == endpoint
+
+
+@pytest.mark.asyncio
+async def test_async_sql_reader_is_record_batch_stream():
+    reader = await AsyncQuery(FakeNativeQuery()).reader()
+    assert isinstance(reader, AsyncRecordBatchReader)
+    assert (await reader.read_all())[0].column(0).to_pylist() == [1, 2]
+
+
+def test_sync_sql_reader_is_record_batch_reader():
+    reader = Query(AsyncQuery(FakeNativeQuery())).reader()
+    assert isinstance(reader, pa.RecordBatchReader)
+    assert reader.read_all().column(0).to_pylist() == [1, 2]
+
+
+def test_execute_query_returns_blocking_reader():
+    connection = RemoteDBConnection.__new__(RemoteDBConnection)
+    connection._conn = FakeAsyncConnection()
+    reader = connection.execute_query("SELECT 1")
+    assert isinstance(reader, pa.RecordBatchReader)
+    assert reader.read_all().column(0).to_pylist() == [1, 2]
+
+
+@pytest.mark.asyncio
+async def test_async_execute_query_returns_async_reader():
+    connection = AsyncConnection(FakeNativeConnection())
+    reader = await connection.execute_query("SELECT 1")
+    assert isinstance(reader, AsyncRecordBatchReader)
+    assert (await reader.read_all())[0].column(0).to_pylist() == [1, 2]
+
+
+def test_local_connection_rejects_sql(tmp_path):
+    connection = lancedb.connect(tmp_path)
+    with pytest.raises(NotImplementedError, match="SQL"):
+        connection.execute_query("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        connection.execute_query_async("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        connection.describe_query(NIL_QUERY_ID)
+
+
+@pytest.mark.asyncio
+async def test_local_async_connection_rejects_sql(tmp_path):
+    connection = await lancedb.connect_async(tmp_path)
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.execute_query("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.execute_query_async("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.describe_query(NIL_QUERY_ID)
+
+
+@pytest.mark.asyncio
+async def test_async_namespace_connection_rejects_sql(tmp_path):
+    connection = lancedb.connect_namespace_async("dir", {"root": str(tmp_path)})
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.execute_query("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.execute_query_async("SELECT 1")
+    with pytest.raises(NotImplementedError, match="SQL"):
+        await connection.describe_query(NIL_QUERY_ID)
+
+
+def test_describe_query_requires_uuid():
+    with pytest.raises(TypeError, match="UUID"):
+        remote_connection().describe_query(str(NIL_QUERY_ID))
+
+
+@pytest.mark.parametrize(
+    "default_namespace_path",
+    ["public", ("public",), [1]],
+)
+def test_execute_query_async_requires_namespace_path_list(default_namespace_path):
+    with pytest.raises(ValueError, match="default_namespace_path"):
+        remote_connection().execute_query_async(
+            "SELECT 1", default_namespace_path=default_namespace_path
+        )
+
+
+def test_execute_query_async_rejects_invalid_endpoint():
+    connection = remote_connection(sql_host_override="invalid://localhost")
+    with pytest.raises(ValueError, match="sql_host_override"):
+        connection.execute_query_async("SELECT 1")
+
+
+@pytest.mark.parametrize(
+    "default_namespace_path",
+    [[""], ["café"], ["pub\tlic"], ["events$raw"]],
+)
+def test_execute_query_async_rejects_invalid_namespace_components(
+    default_namespace_path,
+):
+    with pytest.raises(ValueError, match="default_namespace_path"):
+        remote_connection().execute_query_async(
+            "SELECT 1", default_namespace_path=default_namespace_path
+        )

python/python/tests/test_table.py

@@ -64,15 +64,23 @@ async def _blob_v2_table_async(db: AsyncConnection, name: str):
     return table
 
 
+# Legacy v1 blob columns are only writable at file version <= 2.1.
+LEGACY_BLOB_STORAGE_OPTIONS = {"new_table_data_storage_version": "2.1"}
+
+
 def _blob_table(db: DBConnection, name: str, blob_schema: str):
     if blob_schema == "v1":
-        return db.create_table(name, data=_blob_test_data())
+        return db.create_table(
+            name, data=_blob_test_data(), storage_options=LEGACY_BLOB_STORAGE_OPTIONS
+        )
     return _blob_v2_table(db, name)
 
 
 async def _blob_table_async(db: AsyncConnection, name: str, blob_schema: str):
     if blob_schema == "v1":
-        return await db.create_table(name, data=_blob_test_data())
+        return await db.create_table(
+            name, data=_blob_test_data(), storage_options=LEGACY_BLOB_STORAGE_OPTIONS
+        )
     return await _blob_v2_table_async(db, name)
 
 
@@ -147,7 +155,11 @@ def test_table_to_pandas_invalid_blob_mode_non_blob_table(tmp_db: DBConnection):
 @pytest.mark.parametrize("blob_mode", ["lazy", "bytes", "descriptions"])
 def test_table_to_pandas_blob_modes(tmp_db: DBConnection, blob_mode):
     pytest.importorskip("lance")
-    table = tmp_db.create_table(f"test_to_pandas_blob_{blob_mode}", _blob_test_data())
+    table = tmp_db.create_table(
+        f"test_to_pandas_blob_{blob_mode}",
+        _blob_test_data(),
+        storage_options=LEGACY_BLOB_STORAGE_OPTIONS,
+    )
 
     df = table.to_pandas(blob_mode=blob_mode)
 
@@ -1600,7 +1612,7 @@ def test_create_index_method(mock_create_index, mem_db: DBConnection):
     )
     mock_create_index.assert_called_with(
         "my_vector",
-        replace=False,
+        replace=True,
         config=expected_config,
         wait_timeout=None,
         name=None,
@@ -1620,7 +1632,7 @@ def test_create_index_method(mock_create_index, mem_db: DBConnection):
     )
     mock_create_index.assert_called_with(
         "my_vector",
-        replace=False,
+        replace=True,
         config=expected_config,
         wait_timeout=None,
         name=None,
@@ -1646,7 +1658,7 @@ def test_create_index_name_and_train_parameters(
     expected_config = IvfPq()  # Default config
     mock_create_index.assert_called_with(
         "vector",
-        replace=False,
+        replace=True,
         config=expected_config,
         wait_timeout=None,
         name="my_custom_index",
@@ -1657,7 +1669,7 @@ def test_create_index_name_and_train_parameters(
     table.create_index(vector_column_name="vector", train=False)
     mock_create_index.assert_called_with(
         "vector",
-        replace=False,
+        replace=True,
         config=expected_config,
         wait_timeout=None,
         name=None,
@@ -1668,7 +1680,7 @@ def test_create_index_name_and_train_parameters(
     table.create_index(vector_column_name="vector", name="my_index_name", train=True)
     mock_create_index.assert_called_with(
         "vector",
-        replace=False,
+        replace=True,
         config=expected_config,
         wait_timeout=None,
         name="my_index_name",
@@ -1705,7 +1717,7 @@ def test_create_index_new_api(mock_create_index, mem_db: DBConnection):
         table.create_index("vector", config=IvfPq(distance_type="l2"))
     mock_create_index.assert_called_with(
         "vector",
-        replace=False,
+        replace=True,
         config=IvfPq(distance_type="l2"),
         wait_timeout=None,
         name=None,
@@ -1716,7 +1728,7 @@ def test_create_index_new_api(mock_create_index, mem_db: DBConnection):
     table.create_index("category", config=BTree())
     mock_create_index.assert_called_with(
         "category",
-        replace=False,
+        replace=True,
         config=BTree(),
         wait_timeout=None,
         name=None,
@@ -1727,7 +1739,7 @@ def test_create_index_new_api(mock_create_index, mem_db: DBConnection):
     table.create_index("text", config=FTS(with_position=True))
     mock_create_index.assert_called_with(
         "text",
-        replace=False,
+        replace=True,
         config=FTS(with_position=True),
         wait_timeout=None,
         name=None,
@@ -3342,7 +3354,7 @@ def test_empty_query(mem_db: DBConnection):
     # None is the same as default
     df = table.search().select(["id"]).limit(None).to_arrow()
     assert df.num_rows == 100
-    # invalid limist is the same as None, wihch is the same as default
+    # invalid limist is the same as None, which is the same as default
     df = table.search().select(["id"]).limit(-1).to_arrow()
     assert df.num_rows == 100
     # valid limit should work
@@ -3959,7 +3971,7 @@ def test_stats(mem_db: DBConnection):
     print(f"{stats=}")
     assert stats == {
         # Full on-disk size of the data file, footer and metadata included.
-        "total_bytes": 633,
+        "total_bytes": 637,
         "num_rows": 2,
         "num_indices": 0,
         "fragment_stats": {

python/src/connection.rs

@@ -13,11 +13,7 @@ use crate::{
     runtime::future_into_py,
     table::Table,
 };
-use arrow::{
-    datatypes::Schema,
-    ffi_stream::ArrowArrayStreamReader,
-    pyarrow::{FromPyArrow, ToPyArrow},
-};
+use arrow::{datatypes::Schema, ffi_stream::ArrowArrayStreamReader, pyarrow::FromPyArrow};
 use lancedb::{
     connection::Connection as LanceConnection,
     connection::NamespaceClientPushdownOperation,
@@ -28,7 +24,7 @@ use pyo3::{
     Bound, FromPyObject, Py, PyAny, PyRef, PyResult, Python,
     exceptions::{PyRuntimeError, PyValueError},
     pyclass, pyfunction, pymethods,
-    types::{PyDict, PyDictMethods, PyList, PyListMethods},
+    types::{PyAnyMethods, PyDict, PyDictMethods, PyList},
 };
 
 #[pyclass]
@@ -86,6 +82,24 @@ impl Connection {
     }
 }
 
+fn parse_default_namespace_path(path: Option<Bound<'_, PyAny>>) -> PyResult<Vec<String>> {
+    match path {
+        Some(path) => {
+            if !path.is_instance_of::<PyList>() {
+                return Err(PyValueError::new_err(
+                    "Connection.execute_query_async default_namespace_path must be a list",
+                ));
+            }
+            path.extract::<Vec<String>>().map_err(|_| {
+                PyValueError::new_err(
+                    "Connection.execute_query_async default_namespace_path components must be strings",
+                )
+            })
+        }
+        None => Ok(vec!["public".to_string()]),
+    }
+}
+
 #[pymethods]
 impl Connection {
     fn __repr__(&self) -> String {
@@ -108,6 +122,40 @@ impl Connection {
         self.get_inner().map(|inner| inner.uri().to_string())
     }
 
+    #[pyo3(signature = (query, *, default_namespace_path=None))]
+    pub fn execute_query_async<'a>(
+        self_: PyRef<'a, Self>,
+        query: String,
+        default_namespace_path: Option<Bound<'_, PyAny>>,
+    ) -> PyResult<Bound<'a, PyAny>> {
+        let inner = self_.get_inner()?.clone();
+        let default_namespace_path = parse_default_namespace_path(default_namespace_path)?;
+        future_into_py(self_.py(), async move {
+            let operation = inner
+                .execute_query_async(query)
+                .default_namespace_path(default_namespace_path);
+            operation
+                .execute()
+                .await
+                .map(crate::sql::Query::new)
+                .infer_error()
+        })
+    }
+
+    pub fn describe_query<'a>(
+        self_: PyRef<'a, Self>,
+        query_id: uuid::Uuid,
+    ) -> PyResult<Bound<'a, PyAny>> {
+        let inner = self_.get_inner()?.clone();
+        future_into_py(self_.py(), async move {
+            inner
+                .describe_query(query_id)
+                .await
+                .map(crate::sql::QueryDescription::from)
+                .infer_error()
+        })
+    }
+
     #[pyo3(signature = ())]
     pub fn get_read_consistency_interval(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
         let inner = self_.get_inner()?.clone();
@@ -592,9 +640,12 @@ impl Connection {
         })
     }
 
-    pub fn job(&self, job_id: String) -> PyResult<crate::job::Job> {
-        let inner = self.get_inner()?.clone();
-        Ok(crate::job::Job::new(inner.job(job_id).infer_error()?))
+    pub fn open_job(self_: PyRef<'_, Self>, job_id: String) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.get_inner()?.clone();
+        future_into_py(self_.py(), async move {
+            let job = inner.open_job(&job_id).await.infer_error()?;
+            Ok(crate::job::Job::new(job))
+        })
     }
 
     pub fn create_function_async(
@@ -664,42 +715,16 @@ impl Connection {
         })
     }
 
-    pub fn get_job(self_: PyRef<'_, Self>, job_id: String) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.get_inner()?.clone();
-        future_into_py(self_.py(), async move {
-            let description = inner.get_job(&job_id).await.infer_error()?;
-            Ok(description.map(crate::job::JobDescription::from))
-        })
-    }
-
     pub fn cancel_job(self_: PyRef<'_, Self>, job_id: String) -> PyResult<Bound<'_, PyAny>> {
         let inner = self_.get_inner()?.clone();
         future_into_py(self_.py(), async move {
             inner.cancel_job(&job_id).await.infer_error()
         })
     }
-
-    #[pyo3(signature = (job_id=None))]
-    pub fn job_history(
-        self_: PyRef<'_, Self>,
-        job_id: Option<String>,
-    ) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.get_inner()?.clone();
-        future_into_py(self_.py(), async move {
-            let batches = inner.job_history(job_id.as_deref()).await.infer_error()?;
-            Python::attach(|py| {
-                let list = PyList::empty(py);
-                for batch in batches {
-                    list.append(batch.to_pyarrow(py)?)?;
-                }
-                Ok(list.unbind())
-            })
-        })
-    }
 }
 
 #[pyfunction]
-#[pyo3(signature = (uri, api_key=None, region=None, host_override=None, read_consistency_interval=None, client_config=None, storage_options=None, session=None, manifest_enabled=false, namespace_client_properties=None, oauth_config=None))]
+#[pyo3(signature = (uri, api_key=None, region=None, host_override=None, sql_host_override=None, read_consistency_interval=None, client_config=None, storage_options=None, session=None, manifest_enabled=false, namespace_client_properties=None, oauth_config=None))]
 #[allow(clippy::too_many_arguments)]
 pub fn connect(
     py: Python<'_>,
@@ -707,6 +732,7 @@ pub fn connect(
     api_key: Option<String>,
     region: Option<String>,
     host_override: Option<String>,
+    sql_host_override: Option<String>,
     read_consistency_interval: Option<f64>,
     client_config: Option<PyClientConfig>,
     storage_options: Option<HashMap<String, String>>,
@@ -726,6 +752,12 @@ pub fn connect(
         if let Some(host_override) = host_override {
             builder = builder.host_override(&host_override);
         }
+        #[cfg(feature = "remote")]
+        if let Some(sql_host_override) = sql_host_override {
+            builder = builder.sql_host_override(&sql_host_override);
+        }
+        #[cfg(not(feature = "remote"))]
+        let _ = sql_host_override;
         if let Some(read_consistency_interval) = read_consistency_interval {
             let read_consistency_interval = Duration::from_secs_f64(read_consistency_interval);
             builder = builder.read_consistency_interval(read_consistency_interval);

python/src/error.rs

@@ -114,6 +114,12 @@ impl<T> PythonErrorExt<T> for std::result::Result<T, LanceError> {
                         .getattr(intern!(py, "JobCancelledError"))?;
                     Err(PyErr::from_value(cls.call1((err.to_string(),))?))
                 }),
+                LanceError::JobNotFound { .. } => Python::attach(|py| {
+                    let cls = py
+                        .import(intern!(py, "lancedb.exceptions"))?
+                        .getattr(intern!(py, "JobNotFoundError"))?;
+                    Err(PyErr::from_value(cls.call1((err.to_string(),))?))
+                }),
                 _ => self.runtime_error(),
             },
         }

python/src/job.rs

@@ -4,11 +4,50 @@
 use std::sync::Arc;
 
 use crate::runtime::future_into_py;
-use pyo3::{Bound, PyAny, PyRef, PyResult, pyclass, pymethods};
+use arrow::{
+    datatypes::Schema,
+    pyarrow::{IntoPyArrow, Table as PyArrowTable},
+};
+use lancedb::job::JobEventsRequest;
+use pyo3::{
+    Bound, PyAny, PyRef, PyResult, Python,
+    exceptions::PyValueError,
+    pyclass, pymethods,
+    types::{PyAnyMethods, PyDict, PyDictMethods},
+};
 use serde::Serialize;
 
 use crate::error::PythonErrorExt;
 
+const REPR_INDENT: &str = "    ";
+
+/// Parse a stored JSON payload into Python data. The bindings carry these as
+/// strings because that is what crosses the boundary cheaply; the public
+/// Python surface is the parsed form.
+fn parse_json_payload<'py>(
+    py: Python<'py>,
+    raw: Option<&str>,
+) -> PyResult<Option<Bound<'py, PyAny>>> {
+    match raw {
+        None => Ok(None),
+        Some(raw) => Ok(Some(py.import("json")?.call_method1("loads", (raw,))?)),
+    }
+}
+
+/// A payload rendered as indented JSON, aligned under the field that holds it.
+fn pretty_json_payload(py: Python<'_>, raw: Option<&str>) -> PyResult<Option<String>> {
+    let Some(parsed) = parse_json_payload(py, raw)? else {
+        return Ok(None);
+    };
+    let kwargs = PyDict::new(py);
+    kwargs.set_item("indent", 4)?;
+    let rendered: String = py
+        .import("json")?
+        .call_method("dumps", (parsed,), Some(&kwargs))?
+        .extract()?;
+    Ok(Some(rendered.replace('\n', &format!("\n{REPR_INDENT}"))))
+}
+
 #[pyclass]
 pub struct Job {
     inner: Arc<lancedb::Job<std::result::Result<Option<String>, String>>>,
@@ -67,6 +106,48 @@ impl Job {
             Ok(())
         })
     }
+
+    pub fn refresh(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.inner.clone();
+        future_into_py(self_.py(), async move {
+            inner.refresh().await.infer_error()?;
+            Ok(())
+        })
+    }
+
+    /// The last observed lifecycle state, without contacting the backend.
+    #[getter]
+    pub fn _state(&self) -> Option<String> {
+        self.inner.state()
+    }
+
+    /// The last observed server-side record. `None` for an in-process job.
+    #[getter]
+    pub fn _description(&self) -> Option<JobDescription> {
+        self.inner.description().map(JobDescription::from)
+    }
+
+    #[pyo3(signature = (*, limit=None, filter=None))]
+    pub fn events(
+        self_: PyRef<'_, Self>,
+        limit: Option<u32>,
+        filter: Option<String>,
+    ) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.inner.clone();
+        let request = JobEventsRequest { limit, filter };
+        future_into_py(self_.py(), async move {
+            let batches = inner.events(request).await.infer_error()?;
+            Python::attach(|py| {
+                let schema = batches
+                    .first()
+                    .map(|batch| batch.schema())
+                    .unwrap_or_else(|| Arc::new(Schema::empty()));
+                let table = PyArrowTable::try_new(batches, schema)
+                    .map_err(|err| PyValueError::new_err(err.to_string()))?;
+                table.into_pyarrow(py).map(|table| table.unbind())
+            })
+        })
+    }
 }
 
 /// A row from `Connection.list_jobs`: one server-side job.
@@ -121,7 +202,7 @@ impl JobFailureInfo {
     }
 }
 
-/// A described job from `Connection.get_job`.
+/// The server-side record behind a `Job` handle.
 #[pyclass(get_all, skip_from_py_object)]
 #[derive(Clone)]
 pub struct JobDescription {
@@ -129,17 +210,49 @@ pub struct JobDescription {
     job_type: String,
     state: String,
     creation_ms: i64,
-    spec_json: Option<String>,
+    /// Internal: the wire form behind the `spec` property.
+    _spec_json: Option<String>,
+    /// Internal: the wire form behind the `result` property.
+    _result_json: Option<String>,
     failure: Option<JobFailureInfo>,
 }
 
 #[pymethods]
 impl JobDescription {
-    fn __repr__(&self) -> String {
-        format!(
-            "JobDescription(job_id={:?}, job_type={:?}, state={:?}, creation_ms={})",
-            self.job_id, self.job_type, self.state, self.creation_ms
-        )
+    /// The job-type-specific specification it was submitted with.
+    #[getter]
+    fn spec<'py>(&self, py: Python<'py>) -> PyResult<Option<Bound<'py, PyAny>>> {
+        parse_json_payload(py, self._spec_json.as_deref())
+    }
+
+    /// The job-type-specific terminal result. `None` until the job succeeds.
+    #[getter]
+    fn result<'py>(&self, py: Python<'py>) -> PyResult<Option<Bound<'py, PyAny>>> {
+        parse_json_payload(py, self._result_json.as_deref())
+    }
+
+    fn __repr__(&self, py: Python<'_>) -> PyResult<String> {
+        let mut fields = vec![
+            format!("job_id={:?}", self.job_id),
+            format!("job_type={:?}", self.job_type),
+            format!("state={:?}", self.state),
+            format!("creation_ms={}", self.creation_ms),
+        ];
+        // Lay the payloads out as indented JSON, the same way the `Job` repr
+        // does, so the two agree on how the same data looks.
+        for (name, payload) in [("spec", &self._spec_json), ("result", &self._result_json)] {
+            if let Some(rendered) = pretty_json_payload(py, payload.as_deref())? {
+                fields.push(format!("{name}={rendered}"));
+            }
+        }
+        if let Some(failure) = &self.failure {
+            fields.push(format!("failure={}", failure.__repr__()));
+        }
+        let body = fields
+            .iter()
+            .map(|field| format!("\n{REPR_INDENT}{field},"))
+            .collect::<String>();
+        Ok(format!("JobDescription({body}\n)"))
     }
 }
 
@@ -150,7 +263,11 @@ impl From<lancedb::database::JobDescription> for JobDescription {
             job_type: description.job_type,
             state: description.state,
             creation_ms: description.creation_ms,
-            spec_json: (!description.spec.is_null()).then(|| description.spec.to_string()),
+            _spec_json: (!description.spec.is_null()).then(|| description.spec.to_string()),
+            _result_json: description
+                .result
+                .filter(|result| !result.is_null())
+                .map(|result| result.to_string()),
             failure: description.failure.map(|failure| JobFailureInfo {
                 phase: failure.phase,
                 message: failure.message,

python/src/lib.rs

@@ -34,6 +34,7 @@ pub mod permutation;
 pub mod query;
 pub mod runtime;
 pub mod session;
+pub mod sql;
 pub mod table;
 pub mod util;
 
@@ -50,6 +51,8 @@ pub fn _lancedb(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<crate::job::JobInfo>()?;
     m.add_class::<crate::job::JobDescription>()?;
     m.add_class::<crate::job::JobFailureInfo>()?;
+    m.add_class::<crate::sql::Query>()?;
+    m.add_class::<crate::sql::QueryDescription>()?;
     m.add_class::<PyBlobFile>()?;
     m.add_class::<IndexConfig>()?;
     m.add_class::<Query>()?;

python/src/query.rs

@@ -334,7 +334,7 @@ pub struct PyQueryRequest {
     pub column: Option<String>,
     pub query_vector: Option<PyQueryVectors>,
     pub minimum_nprobes: Option<usize>,
-    // None means user did not set it and default shoud be used (currenty 20)
+    // None means user did not set it and default should be used (currently 20)
     // Some(0) means user set it to None and there is no limit
     pub maximum_nprobes: Option<usize>,
     pub lower_bound: Option<f32>,

python/src/sql.rs

@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright The LanceDB Authors
+
+use std::sync::Arc;
+
+use chrono::{DateTime, Utc};
+use pyo3::{Bound, PyAny, PyRef, PyResult, pyclass, pymethods};
+use uuid::Uuid;
+
+use crate::arrow::RecordBatchStream;
+use crate::error::PythonErrorExt;
+use crate::runtime::future_into_py;
+
+#[pyclass(name = "SqlQuery")]
+pub struct Query {
+    inner: Arc<lancedb::sql::Query>,
+}
+
+impl Query {
+    pub(crate) fn new(inner: lancedb::sql::Query) -> Self {
+        Self {
+            inner: Arc::new(inner),
+        }
+    }
+}
+
+#[pymethods]
+impl Query {
+    #[getter]
+    pub fn id(&self) -> Uuid {
+        self.inner.id()
+    }
+
+    pub fn describe(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.inner.clone();
+        future_into_py(self_.py(), async move {
+            inner
+                .describe()
+                .await
+                .map(QueryDescription::from)
+                .infer_error()
+        })
+    }
+
+    pub fn reader(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.inner.clone();
+        future_into_py(self_.py(), async move {
+            let stream = inner.reader().await.infer_error()?;
+            Ok(RecordBatchStream::new(stream))
+        })
+    }
+
+    pub fn cancel(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
+        let inner = self_.inner.clone();
+        future_into_py(self_.py(), async move {
+            inner.cancel().await.infer_error()?;
+            Ok(())
+        })
+    }
+}
+
+#[pyclass(get_all, skip_from_py_object)]
+#[derive(Clone)]
+pub struct QueryDescription {
+    id: Uuid,
+    status: String,
+    progress: Option<f64>,
+    expires_at: Option<DateTime<Utc>>,
+}
+
+#[pymethods]
+impl QueryDescription {
+    fn __repr__(&self) -> String {
+        format!(
+            "QueryDescription(id={:?}, status={:?}, progress={:?}, expires_at={:?})",
+            self.id, self.status, self.progress, self.expires_at
+        )
+    }
+}
+
+impl From<lancedb::sql::QueryDescription> for QueryDescription {
+    fn from(description: lancedb::sql::QueryDescription) -> Self {
+        Self {
+            id: description.id,
+            status: description.status.to_string(),
+            progress: description.progress,
+            expires_at: description.expires_at,
+        }
+    }
+}

rust/lancedb/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lancedb"
-version = "0.39.0-beta.1"
+version = "0.39.0-beta.6"
 edition.workspace = true
 description = "LanceDB: A serverless, low-latency vector database for AI applications"
 license.workspace = true
@@ -21,6 +21,8 @@ arrow-select = { workspace = true }
 arrow-ord = { workspace = true }
 arrow-cast = { workspace = true }
 arrow-ipc.workspace = true
+arrow-flight = { workspace = true, optional = true }
+prost = { version = "0.14", optional = true }
 chrono = { workspace = true }
 datafusion-catalog.workspace = true
 datafusion-common.workspace = true
@@ -77,6 +79,7 @@ reqwest = { version = "0.12.0", default-features = false, features = [
     "rustls-tls-native-roots",
     "stream",
 ], optional = true }
+tonic = { workspace = true, optional = true }
 http = { version = "1", optional = true } # Matching what is in reqwest
 urlencoding = { version = "2", optional = true }
 uuid = { workspace = true, features = ["v5"] }
@@ -145,8 +148,11 @@ huggingface = [
 ]
 dynamodb = ["lance/dynamodb", "aws"]
 remote = [
+    "dep:arrow-flight",
+    "dep:prost",
     "dep:reqwest",
     "dep:http",
+    "dep:tonic",
     "dep:urlencoding",
     "lance-namespace-impls/rest",
     "lance-namespace-impls/rest-adapter",

rust/lancedb/src/arrow.rs

@@ -163,7 +163,7 @@ pub struct PolarsDataFrameRecordBatchReader {
 impl PolarsDataFrameRecordBatchReader {
     /// Creates a new `PolarsDataFrameRecordBatchReader` from a given Polars DataFrame.
     /// If the input dataframe does not have aligned chunks, this function undergoes
-    /// the costly operation of reallocating each series as a single contigous chunk.
+    /// the costly operation of reallocating each series as a single contiguous chunk.
     pub fn new(mut df: DataFrame) -> Result<Self> {
         df.align_chunks();
         let arrow_schema =

rust/lancedb/src/blob.rs

@@ -7,7 +7,9 @@
 //! raw `Binary` / `LargeBinary` into the blob struct layout. Queries return
 //! small descriptors, not bytes.
 //!
-//! Blob tables require Lance file format >= 2.2 and stable row ids at create.
+//! Blob tables require Lance file format >= 2.2. `_rowid` values stay valid
+//! after compaction when the table has stable row ids. Overwrite is a new
+//! create and does not keep the previous table's stable row id setting.
 
 use std::ops::Range;
 use std::sync::Arc;
@@ -324,6 +326,7 @@ pub(crate) fn blob_column_names(schema: &Schema) -> Vec<String> {
 }
 
 /// Bumps storage format to at least [`LanceFileVersion::V2_2`] for blob schemas.
+/// Leaves `enable_stable_row_ids` unchanged.
 pub(crate) fn ensure_blob_storage_version(schema: &Schema, params: &mut WriteParams) {
     if !has_blob_columns(schema) {
         return;
@@ -385,6 +388,30 @@ fn ensure_all_row_ids_resolved(column: &str, requested: usize, resolved: usize)
     }
 }
 
+/// Lance take reports a missing physical row address as NotSupported or InvalidInput.
+fn map_blob_take_error(column: &str, requested: usize, err: lance::Error) -> Error {
+    let missing_row_addr = match &err {
+        lance::Error::NotSupported { source, .. } => {
+            source.to_string().contains("must not target deleted rows")
+        }
+        lance::Error::InvalidInput { source, .. } => source
+            .to_string()
+            .contains("belongs to non-existent fragment"),
+        _ => false,
+    };
+
+    if missing_row_addr {
+        Error::InvalidInput {
+            message: format!(
+                "blob read for column '{column}' requested {requested} row ids but some \
+                 do not exist in the table; pass row ids collected from this table"
+            ),
+        }
+    } else {
+        err.into()
+    }
+}
+
 /// Materialize blob-local ranges (same length and order as `requests`, nulls preserved).
 pub(crate) async fn take_blob_ranges_aligned(
     dataset: &Arc<Dataset>,
@@ -405,7 +432,8 @@ pub(crate) async fn take_blob_ranges_aligned(
         .with_row_ids(lance_requests)
         .preserve_order(true)
         .execute()
-        .await?;
+        .await
+        .map_err(|err| map_blob_take_error(column, requests.len(), err))?;
     ensure_all_row_ids_resolved(column, requests.len(), payloads.len())?;
 
     let mut builder = LargeBinaryBuilder::new();
@@ -434,7 +462,8 @@ pub(crate) async fn take_blobs_aligned(
         .with_row_ids(row_ids.to_vec())
         .preserve_order(true)
         .execute()
-        .await?;
+        .await
+        .map_err(|err| map_blob_take_error(column, row_ids.len(), err))?;
     ensure_all_row_ids_resolved(column, row_ids.len(), payloads.len())?;
 
     let mut builder = LargeBinaryBuilder::new();
@@ -458,7 +487,10 @@ pub(crate) async fn take_blob_files_aligned(
         return Ok(Vec::new());
     }
 
-    let handles = dataset.take_blobs(row_ids, column).await?;
+    let handles = dataset
+        .take_blobs(row_ids, column)
+        .await
+        .map_err(|err| map_blob_take_error(column, row_ids.len(), err))?;
     ensure_all_row_ids_resolved(column, row_ids.len(), handles.len())?;
     Ok(handles
         .into_iter()
@@ -500,10 +532,27 @@ mod tests {
     fn storage_version_bumps_to_v2_2() {
         let mut params = WriteParams::default();
         ensure_blob_storage_version(&blob_schema(), &mut params);
-        assert_eq!(
-            params.data_storage_version.unwrap().resolve(),
-            ConcreteFileVersion::V2_2
-        );
+        let resolved = params
+            .data_storage_version
+            .unwrap_or(LanceFileVersion::Stable)
+            .resolve();
+        assert_eq!(resolved, ConcreteFileVersion::V2_2);
+        assert!(!params.enable_stable_row_ids);
+    }
+
+    #[test]
+    fn storage_version_leaves_stable_row_ids_enabled() {
+        let mut params = WriteParams {
+            enable_stable_row_ids: true,
+            ..Default::default()
+        };
+        ensure_blob_storage_version(&blob_schema(), &mut params);
+        assert!(params.enable_stable_row_ids);
+        let resolved = params
+            .data_storage_version
+            .unwrap_or(LanceFileVersion::Stable)
+            .resolve();
+        assert_eq!(resolved, ConcreteFileVersion::V2_2);
     }
 
     #[test]
@@ -576,5 +625,6 @@ mod tests {
         let mut params = WriteParams::default();
         ensure_blob_storage_version(&schema, &mut params);
         assert!(params.data_storage_version.is_none());
+        assert!(!params.enable_stable_row_ids);
     }
 }

rust/lancedb/src/connection.rs

@@ -23,15 +23,18 @@ use crate::connection::create_table::CreateTableBuilder;
 use crate::data::scannable::Scannable;
 use crate::database::listing::ListingDatabase;
 use crate::database::{
-    CloneTableRequest, Database, DatabaseOptions, JobDescription, JobInfo, OpenTableRequest,
-    ReadConsistency, TableNamesRequest,
+    CloneTableRequest, Database, DatabaseOptions, JobInfo, OpenTableRequest, ReadConsistency,
+    TableNamesRequest,
 };
 use crate::embeddings::{EmbeddingRegistry, MemoryRegistry};
 use crate::error::{Error, Result};
 #[cfg(feature = "remote")]
 use crate::remote::{
     client::ClientConfig,
-    db::{OPT_REMOTE_API_KEY, OPT_REMOTE_HOST_OVERRIDE, OPT_REMOTE_REGION},
+    db::{
+        OPT_REMOTE_API_KEY, OPT_REMOTE_HOST_OVERRIDE, OPT_REMOTE_REGION,
+        OPT_REMOTE_SQL_HOST_OVERRIDE,
+    },
 };
 use lance::io::ObjectStoreParams;
 pub use lance_file::version::LanceFileVersion;
@@ -322,6 +325,43 @@ pub struct CloneTableBuilder {
     request: CloneTableRequest,
 }
 
+/// Builder for asynchronously executing a SQL statement on a remote database.
+pub struct ExecuteQueryAsyncBuilder {
+    parent: Arc<dyn Database>,
+    query: String,
+    default_namespace_path: Vec<String>,
+}
+
+impl ExecuteQueryAsyncBuilder {
+    fn new(parent: Arc<dyn Database>, query: String) -> Self {
+        Self {
+            parent,
+            query,
+            default_namespace_path: vec!["public".to_string()],
+        }
+    }
+
+    /// Set the namespace used for unqualified table names.
+    ///
+    /// An empty path is treated as `public`, which is the SQL name for the
+    /// root Lance namespace.
+    pub fn default_namespace_path<I, S>(mut self, path: I) -> Self
+    where
+        I: IntoIterator<Item = S>,
+        S: Into<String>,
+    {
+        self.default_namespace_path = path.into_iter().map(Into::into).collect();
+        self
+    }
+
+    /// Start the statement and return its asynchronous query handle.
+    pub async fn execute(self) -> Result<crate::sql::Query> {
+        self.parent
+            .execute_query_async(&self.query, &self.default_namespace_path)
+            .await
+    }
+}
+
 impl CloneTableBuilder {
     fn new(parent: Arc<dyn Database>, target_table_name: String, source_uri: String) -> Self {
         Self {
@@ -405,6 +445,51 @@ impl Connection {
         &self.internal
     }
 
+    /// Start executing SQL on a remote LanceDB database.
+    ///
+    /// The query can reference tables in other databases with SQL dot notation.
+    /// Use [`ExecuteQueryAsyncBuilder::default_namespace_path`] to avoid qualifying
+    /// tables in the default namespace. Local connections return
+    /// [`Error::NotSupported`].
+    ///
+    /// # Example
+    ///
+    /// ```no_run
+    /// # async fn query(db: &lancedb::Connection) -> lancedb::Result<()> {
+    /// use futures::TryStreamExt;
+    ///
+    /// let query = db
+    ///     .execute_query_async("SELECT * FROM events LIMIT 10")
+    ///     .default_namespace_path(["public"])
+    ///     .execute()
+    ///     .await?;
+    /// println!("query id: {}", query.id());
+    /// let mut batches = query.reader().await?;
+    /// while let Some(batch) = batches.try_next().await? {
+    ///     println!("received {} rows", batch.num_rows());
+    /// }
+    /// # Ok(())
+    /// # }
+    /// ```
+    pub fn execute_query_async(&self, query: impl Into<String>) -> ExecuteQueryAsyncBuilder {
+        ExecuteQueryAsyncBuilder::new(self.internal.clone(), query.into())
+    }
+
+    /// Describe a submitted SQL query by its connection-scoped id.
+    ///
+    /// This performs one bounded status poll using state retained by this
+    /// connection. Running state with a live query handle is not evicted;
+    /// abandoned state has bounded retention, and server expiration is
+    /// honored. Terminal state is retained briefly.
+    /// Query ids are not portable to another connection. Local connections
+    /// return [`Error::NotSupported`].
+    pub async fn describe_query(
+        &self,
+        query_id: uuid::Uuid,
+    ) -> Result<crate::sql::QueryDescription> {
+        self.internal.describe_query(query_id).await
+    }
+
     /// Get the names of all tables in the database
     ///
     /// The names will be returned in lexicographical order (ascending)
@@ -585,14 +670,34 @@ impl Connection {
         self.internal.read_consistency().await
     }
 
-    /// A [`crate::job::Job`] handle for a server-side job by id, suitable for
-    /// waiting on or cancelling the job.
+    /// Open a server-side job by id, returning a handle with its record
+    /// already populated. Fails with [`crate::Error::JobNotFound`] when the
+    /// server has no such job, the way [`Connection::open_table`] does for a
+    /// missing table.
     ///
-    /// The handle is constructed without a server round trip; an unknown id
-    /// surfaces when the handle is used. Only server-backed databases support
-    /// job handles by id.
-    pub fn job(&self, job_id: impl AsRef<str>) -> Result<crate::job::Job> {
-        self.internal.job(job_id.as_ref())
+    /// This is the one way in: the returned [`crate::job::Job`] answers for
+    /// its own state, specification, result, failure and event history, so
+    /// there is no separate connection-level call for any of them.
+    ///
+    /// # Example
+    ///
+    /// ```no_run
+    /// # use lancedb::job::JobEventsRequest;
+    /// # async fn open_job(
+    /// #     connection: &lancedb::Connection,
+    /// #     job_id: &str,
+    /// # ) -> Result<(), Box<dyn std::error::Error>> {
+    /// let job = connection.open_job(job_id).await?;
+    /// println!("{:?} {:?}", job.state(), job.result());
+    /// let done = job
+    ///     .events(JobEventsRequest::default().filter("state = 'claim_complete'"))
+    ///     .await?;
+    /// println!("{} completions", done.iter().map(|b| b.num_rows()).sum::<usize>());
+    /// # Ok(())
+    /// # }
+    /// ```
+    pub async fn open_job(&self, job_id: impl AsRef<str>) -> Result<crate::job::Job> {
+        self.internal.open_job(job_id.as_ref()).await
     }
 
     /// List server-side jobs across the database's tables.
@@ -600,24 +705,12 @@ impl Connection {
         self.internal.list_jobs().await
     }
 
-    /// Describe a single server-side job by id. `None` when the server has no
-    /// such job.
-    pub async fn get_job(&self, job_id: impl AsRef<str>) -> Result<Option<JobDescription>> {
-        self.internal.get_job(job_id.as_ref()).await
-    }
-
     /// Request cancellation of a server-side job by id. Returns true if the
     /// server accepted the cancellation, false if no such job exists.
     pub async fn cancel_job(&self, job_id: impl AsRef<str>) -> Result<bool> {
         self.internal.cancel_job(job_id.as_ref()).await
     }
 
-    /// The lifecycle event history of a server-side job (all jobs when
-    /// `job_id` is `None`), as recorded Arrow batches.
-    pub async fn job_history(&self, job_id: Option<&str>) -> Result<Vec<RecordBatch>> {
-        self.internal.job_history(job_id).await
-    }
-
     /// Drop a table in the database.
     ///
     /// # Arguments
@@ -734,7 +827,7 @@ impl Connection {
 pub struct ConnectRequest {
     /// Database URI
     ///
-    /// ### Accpeted URI formats
+    /// ### Accepted URI formats
     ///
     /// - `/path/to/database` - local database on file system.
     /// - `s3://bucket/path/to/database` or `gs://bucket/path/to/database` - database on cloud object store
@@ -864,6 +957,19 @@ impl ConnectBuilder {
         self
     }
 
+    /// Set the SQL service host override for a remote connection.
+    ///
+    /// The SQL client is initialized lazily when the connection first executes
+    /// SQL and is retained for the connection's lifetime.
+    #[cfg(feature = "remote")]
+    pub fn sql_host_override(mut self, sql_host_override: &str) -> Self {
+        self.request.options.insert(
+            OPT_REMOTE_SQL_HOST_OVERRIDE.to_string(),
+            sql_host_override.to_string(),
+        );
+        self
+    }
+
     /// Set the database specific options
     ///
     /// See [crate::database::listing::ListingDatabaseOptions] for the options available for
@@ -1053,6 +1159,7 @@ impl ConnectBuilder {
 
         let mut merged_options = self.request.options.clone();
         Self::apply_env_defaults(&ENV_VARS_TO_STORAGE_OPTS, &mut merged_options);
+        let sql_host_override = merged_options.get(OPT_REMOTE_SQL_HOST_OVERRIDE).cloned();
         let options = RemoteDatabaseOptions::parse_from_map(&merged_options)?;
 
         let region = options.region.ok_or_else(|| Error::InvalidInput {
@@ -1094,11 +1201,15 @@ impl ConnectBuilder {
         }
 
         let storage_options = StorageOptions(options.storage_options.clone());
+        let host_overrides = crate::remote::db::RemoteHostOverrides {
+            rest: options.host_override,
+            sql: sql_host_override,
+        };
         let internal = Arc::new(crate::remote::db::RemoteDatabase::try_new(
             &self.request.uri,
             &api_key,
             &region,
-            options.host_override,
+            host_overrides,
             client_config,
             storage_options.into(),
             self.request.read_consistency_interval,
@@ -1392,6 +1503,23 @@ mod tests {
         assert_eq!(tc.connection.uri(), tc.uri);
     }
 
+    #[tokio::test]
+    async fn test_local_connection_rejects_sql_queries() {
+        let directory = tempdir().unwrap();
+        let connection = connect(directory.path().to_str().unwrap())
+            .execute()
+            .await
+            .unwrap();
+        assert!(matches!(
+            connection.execute_query_async("SELECT 1").execute().await,
+            Err(Error::NotSupported { .. })
+        ));
+        assert!(matches!(
+            connection.describe_query(uuid::Uuid::nil()).await,
+            Err(Error::NotSupported { .. })
+        ));
+    }
+
     #[cfg(feature = "remote")]
     #[test]
     fn test_apply_env_defaults() {

rust/lancedb/src/database.rs

@@ -18,8 +18,6 @@ use std::collections::HashMap;
 use std::sync::Arc;
 use std::time::Duration;
 
-use arrow_array::RecordBatch;
-
 use lance::dataset::ReadParams;
 use lance_namespace::LanceNamespace;
 use lance_namespace::models::{
@@ -206,8 +204,8 @@ pub enum ReadConsistency {
 /// compaction, column refresh, ...).
 #[derive(Debug, Clone)]
 pub struct JobInfo {
-    /// The job id -- what [`Database::get_job`] and [`Database::cancel_job`]
-    /// accept.
+    /// The job id -- what [`Database::open_job`] and
+    /// [`Database::cancel_job`] accept.
     pub job_id: String,
     /// The table the job runs against, without URI or namespace.
     pub table: String,
@@ -218,8 +216,8 @@ pub struct JobInfo {
     pub created_at_millis: i64,
 }
 
-/// A described job from [`Database::get_job`]: lifecycle state plus the
-/// job-type-specific specification.
+/// The server-side record behind a [`crate::job::Job`] handle: lifecycle
+/// state plus the job-type-specific specification and result.
 #[derive(Debug, Clone)]
 pub struct JobDescription {
     pub job_id: String,
@@ -230,6 +228,10 @@ pub struct JobDescription {
     pub creation_ms: i64,
     /// The job-type-specific specification. Null when the server omits it.
     pub spec: serde_json::Value,
+    /// The job-type-specific terminal result, for job types that define one.
+    /// `None` until the job succeeds, so a job that never terminates reports
+    /// its progress through [`crate::job::Job::events`] instead.
+    pub result: Option<serde_json::Value>,
     /// Why the job failed, when the job is failed and the server reports a
     /// reason.
     pub failure: Option<crate::error::JobFailure>,
@@ -315,30 +317,37 @@ pub trait Database:
     async fn drop_function(&self, _name: &str, _version: &str) -> Result<bool> {
         function_catalog_not_supported()
     }
-    /// A [`crate::job::Job`] handle for a server-side job by id, suitable for
-    /// waiting on or cancelling the job. The handle is constructed without a
-    /// server round trip; an unknown id surfaces when the handle is used.
-    fn job(&self, _job_id: &str) -> Result<crate::job::Job> {
-        job_op_not_supported("job")
+    /// Open a job by id, returning a handle with its record already
+    /// populated. Fails with [`crate::Error::JobNotFound`] when the server has
+    /// no such job.
+    async fn open_job(&self, _job_id: &str) -> Result<crate::job::Job> {
+        job_op_not_supported("open_job")
     }
     /// List server-side jobs across the database's tables.
     async fn list_jobs(&self) -> Result<Vec<JobInfo>> {
         job_op_not_supported("list_jobs")
     }
-    /// Describe a single job by id. `None` when the server has no such job.
-    async fn get_job(&self, _job_id: &str) -> Result<Option<JobDescription>> {
-        job_op_not_supported("get_job")
-    }
     /// Request cancellation of a job by id. Returns true if the server
     /// accepted the cancellation, false if no such job exists. Cancelling an
     /// already-terminal job is a no-op success.
     async fn cancel_job(&self, _job_id: &str) -> Result<bool> {
         job_op_not_supported("cancel_job")
     }
-    /// The lifecycle event history of a job (all jobs when `job_id` is
-    /// `None`), as recorded Arrow batches.
-    async fn job_history(&self, _job_id: Option<&str>) -> Result<Vec<RecordBatch>> {
-        job_op_not_supported("job_history")
+    /// Start executing a SQL statement on a remote database.
+    async fn execute_query_async(
+        &self,
+        _query: &str,
+        _default_namespace_path: &[String],
+    ) -> Result<crate::sql::Query> {
+        Err(crate::error::Error::NotSupported {
+            message: "SQL is not supported by this database".to_string(),
+        })
+    }
+    /// Describe a submitted SQL query by its connection-scoped id.
+    async fn describe_query(&self, _query_id: uuid::Uuid) -> Result<crate::sql::QueryDescription> {
+        Err(crate::error::Error::NotSupported {
+            message: "SQL is not supported by this database".to_string(),
+        })
     }
     /// Open a table in the database
     async fn open_table(&self, request: OpenTableRequest) -> Result<Arc<dyn BaseTable>>;

rust/lancedb/src/database/listing.rs

@@ -18,7 +18,7 @@ use lance_table::io::commit::commit_handler_from_url;
 use object_store::local::LocalFileSystem;
 use snafu::ResultExt;
 
-use crate::blob::{ensure_blob_storage_version, has_blob_columns};
+use crate::blob::ensure_blob_storage_version;
 use crate::connection::ConnectRequest;
 use crate::database::ReadConsistency;
 use crate::database::namespace::LanceNamespaceDatabase;
@@ -512,7 +512,7 @@ impl ListingDatabase {
                 // iter thru the query params and extract the commit store param
                 let mut engine = None;
                 let mut mirrored_store = None;
-                let mut filtered_querys = vec![];
+                let mut filtered_queries = vec![];
 
                 // WARNING: specifying engine is NOT a publicly supported feature in lancedb yet
                 // THE API WILL CHANGE
@@ -528,13 +528,13 @@ impl ListingDatabase {
                         mirrored_store = Some(value.to_string());
                     } else {
                         // to owned so we can modify the url
-                        filtered_querys.push((key.to_string(), value.to_string()));
+                        filtered_queries.push((key.to_string(), value.to_string()));
                     }
                 }
 
                 // Filter out the commit store query param -- it's a lancedb param
                 url.query_pairs_mut().clear();
-                url.query_pairs_mut().extend_pairs(filtered_querys);
+                url.query_pairs_mut().extend_pairs(filtered_queries);
                 // Take a copy of the query string so we can propagate it to lance.
                 // `query_pairs_mut()` leaves the URL with `Some("")` even when no
                 // pairs survive (or none existed in the first place), so an empty
@@ -827,7 +827,6 @@ impl ListingDatabase {
         if let Some(enable_stable_row_ids) = overrides
             .enable_stable_row_ids
             .or(self.new_table_config.enable_stable_row_ids)
-            .or(has_blob_columns(&data_schema).then_some(true))
         {
             write_params.enable_stable_row_ids = enable_stable_row_ids;
         }
@@ -897,11 +896,11 @@ impl Database for ListingDatabase {
     }
 
     async fn read_consistency(&self) -> Result<ReadConsistency> {
-        if let Some(read_consistency_inverval) = self.read_consistency_interval {
-            if read_consistency_inverval.is_zero() {
+        if let Some(interval) = self.read_consistency_interval {
+            if interval.is_zero() {
                 Ok(ReadConsistency::Strong)
             } else {
-                Ok(ReadConsistency::Eventual(read_consistency_inverval))
+                Ok(ReadConsistency::Eventual(interval))
             }
         } else {
             Ok(ReadConsistency::Manual)
@@ -3044,15 +3043,15 @@ mod tests {
     /// across platforms — see the `file://` test below).
     fn capture_query_like_connect(input_uri: &str) -> Option<String> {
         let mut url = url::Url::parse(input_uri).unwrap();
-        let mut filtered_querys = Vec::new();
+        let mut filtered_queries = Vec::new();
         for (key, value) in url.query_pairs() {
             if key == ENGINE || key == MIRRORED_STORE {
                 continue;
             }
-            filtered_querys.push((key.to_string(), value.to_string()));
+            filtered_queries.push((key.to_string(), value.to_string()));
         }
         url.query_pairs_mut().clear();
-        url.query_pairs_mut().extend_pairs(filtered_querys);
+        url.query_pairs_mut().extend_pairs(filtered_queries);
         url.query().filter(|q| !q.is_empty()).map(|s| s.to_string())
     }
 

rust/lancedb/src/database/namespace.rs

@@ -3,6 +3,7 @@
 
 //! Namespace-based database implementation that delegates table management to lance-namespace
 
+use lance_datafusion::utils::StreamingWriteSource;
 use std::collections::{HashMap, HashSet};
 use std::sync::{Arc, Mutex};
 
@@ -23,7 +24,7 @@ use lance_namespace_impls::ConnectBuilder;
 use lance_table::io::commit::CommitHandler;
 use lance_table::io::commit::external_manifest::ExternalManifestCommitHandler;
 
-use crate::blob::{ensure_blob_storage_version, has_blob_columns};
+use crate::blob::ensure_blob_storage_version;
 use crate::connection::NamespaceClientPushdownOperation;
 use crate::database::ReadConsistency;
 use crate::database::listing::{NewTableConfig, take_request_creation_overrides};
@@ -217,7 +218,6 @@ impl LanceNamespaceDatabase {
         if let Some(enable_stable_row_ids) = overrides
             .enable_stable_row_ids
             .or(self.new_table_config.enable_stable_row_ids)
-            .or(has_blob_columns(data_schema.as_ref()).then_some(true))
         {
             params.enable_stable_row_ids = enable_stable_row_ids;
         }
@@ -251,11 +251,11 @@ impl Database for LanceNamespaceDatabase {
     }
 
     async fn read_consistency(&self) -> Result<ReadConsistency> {
-        if let Some(read_consistency_inverval) = self.read_consistency_interval {
-            if read_consistency_inverval.is_zero() {
+        if let Some(interval) = self.read_consistency_interval {
+            if interval.is_zero() {
                 Ok(ReadConsistency::Strong)
             } else {
-                Ok(ReadConsistency::Eventual(read_consistency_inverval))
+                Ok(ReadConsistency::Eventual(interval))
             }
         } else {
             Ok(ReadConsistency::Manual)
@@ -305,6 +305,10 @@ impl Database for LanceNamespaceDatabase {
     }
 
     async fn create_table(&self, request: DbCreateTableRequest) -> Result<Arc<dyn BaseTable>> {
+        // Refuse a bad declaration before the namespace records a table.
+        crate::table::computed_columns::ensure_declarations_are_planned(
+            &request.data.arrow_schema(),
+        )?;
         let mut table_id = request.namespace_path.clone();
         table_id.push(request.name.clone());
         let mut existing_table = None;

rust/lancedb/src/error.rs

@@ -102,6 +102,8 @@ pub enum Error {
     },
     #[snafu(display("Job{} was cancelled", job_id.as_ref().map(|id| format!(" {id}")).unwrap_or_default()))]
     JobCancelled { job_id: Option<String> },
+    #[snafu(display("Job '{job_id}' was not found"))]
+    JobNotFound { job_id: String },
 
     // 3rd party / external errors
     #[snafu(display("object_store error: {source}"))]

rust/lancedb/src/function.rs

@@ -582,8 +582,8 @@ pub struct InputBinding {
 
 /// Ordered result-field to table-field mapping for a Function binding.
 ///
-/// Assignment state is not part of the Slice 1 client contract. During the
-/// NULL transition there is no public Lance cell-flag identifier to persist.
+/// `nullable` describes the logical Function result. Physical computed-column
+/// fields remain nullable while unassigned.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct OutputMapping {
     pub result_field: String,
@@ -594,6 +594,14 @@ pub struct OutputMapping {
     pub nullable: bool,
 }
 
+/// Internal physical column preserving the parent validity of a flattened
+/// named-struct result.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct AssignmentMapping {
+    pub output_name: String,
+    pub output_field_id: i32,
+}
+
 /// Immutable Function binding persisted by the Enterprise table service.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct FunctionBinding {
@@ -601,6 +609,8 @@ pub struct FunctionBinding {
     function: FunctionVersionRef,
     inputs: Vec<InputBinding>,
     outputs: Vec<OutputMapping>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    assignment: Option<AssignmentMapping>,
     /// Exact Arrow schema presented to the Function, encoded with the Lance
     /// Namespace Arrow JSON representation.
     #[serde(default, skip_serializing_if = "Option::is_none")]
@@ -627,6 +637,10 @@ impl FunctionBinding {
         &self.outputs
     }
 
+    pub fn assignment(&self) -> Option<&AssignmentMapping> {
+        self.assignment.as_ref()
+    }
+
     pub fn input_schema(&self) -> Option<&Value> {
         self.input_schema.as_ref()
     }

rust/lancedb/src/index.rs

@@ -200,14 +200,14 @@ impl IndexBuilder {
             parent,
             index,
             columns,
-            replace: false,
+            replace: true,
             train: true,
             wait_timeout: None,
             name: None,
         }
     }
 
-    /// Whether to replace the existing index, the default is `false`.
+    /// Whether to replace the existing index, the default is `true`.
     ///
     /// If this is false, and another index already exists on the same columns
     /// and the same name, then an error will be returned.  This is true even if

rust/lancedb/src/index/vector.rs

@@ -125,7 +125,7 @@ macro_rules! impl_pq_params_setter {
         /// This value controls how much the vector is compressed during the quantization step.
         /// The more sub vectors there are the less the vector is compressed.  The default is
         /// the dimension of the vector divided by 16.  If the dimension is not evenly divisible
-        /// by 16 we use the dimension divded by 8.
+        /// by 16 we use the dimension divided by 8.
         ///
         /// The above two cases are highly preferred.  Having 8 or 16 values per subvector allows
         /// us to use efficient SIMD instructions.

rust/lancedb/src/job.rs

@@ -3,16 +3,53 @@
 
 //! Handles to operations a server may run asynchronously.
 
-use std::sync::Arc;
+use std::sync::{Arc, RwLock, RwLockReadGuard, RwLockWriteGuard};
 
+use arrow_array::RecordBatch;
 use async_trait::async_trait;
 use serde::{Serialize, de::DeserializeOwned};
 use serde_json::Value;
 use tokio::sync::watch;
 use tokio::task::{AbortHandle, JoinHandle};
 
+use crate::database::JobDescription;
 use crate::error::{Error, JobFailure, Result};
 
+/// Which of a job's events [`Job::events`] returns.
+///
+/// The handle already knows which job to ask about, so this narrows the
+/// query rather than naming one.
+#[derive(Debug, Clone, Default)]
+pub struct JobEventsRequest {
+    /// Maximum event rows to return. The server applies its own default
+    /// (1000 rows) and maximum (10,000 rows) when this is `None`, and
+    /// truncates without saying so, which matters for a job with one event
+    /// per fragment.
+    pub limit: Option<u32>,
+    /// SQL-like filter over the event columns `state`, `updated_by`,
+    /// `emitted_from`, `emitted_by`, and `claim_entity`. For example
+    /// `state = 'claim_complete'` selects only per-claim completions.
+    pub filter: Option<String>,
+}
+
+impl JobEventsRequest {
+    pub fn limit(mut self, limit: u32) -> Self {
+        self.limit = Some(limit);
+        self
+    }
+
+    pub fn filter(mut self, filter: impl Into<String>) -> Self {
+        self.filter = Some(filter.into());
+        self
+    }
+}
+
+fn job_detail_not_supported<T>(what: &str) -> Result<T> {
+    Err(Error::NotSupported {
+        message: format!("{what} is only available for server-side jobs"),
+    })
+}
+
 /// Backend-specific tracking for an asynchronous operation.
 #[async_trait]
 pub(crate) trait JobHandle: Send + Sync {
@@ -23,6 +60,15 @@ pub(crate) trait JobHandle: Send + Sync {
     async fn status(&self) -> Result<String>;
     async fn wait(&self) -> Result<TerminalResult>;
     async fn cancel(&self) -> Result<()>;
+    /// The job's full server-side record. Backends that run the operation in
+    /// this process have none and keep the default.
+    async fn describe(&self) -> Result<JobDescription> {
+        job_detail_not_supported("describing a job")
+    }
+    /// The job's recorded lifecycle events.
+    async fn events(&self, _request: JobEventsRequest) -> Result<Vec<RecordBatch>> {
+        job_detail_not_supported("job event history")
+    }
 }
 
 /// A backend-neutral successful terminal result.
@@ -40,7 +86,6 @@ impl TerminalResult {
         }
     }
 
-    #[cfg(feature = "remote")]
     pub(crate) fn remote(value: Option<Value>, request_id: String) -> Self {
         Self {
             value,
@@ -48,46 +93,30 @@ impl TerminalResult {
         }
     }
 
-    #[cfg(feature = "remote")]
     pub(crate) fn value(&self) -> Option<&Value> {
         self.value.as_ref()
     }
 
     fn decode<T: DeserializeOwned>(self) -> Result<T> {
-        let value = self.value.ok_or_else(|| {
-            #[cfg(feature = "remote")]
-            if let Some(request_id) = &self.request_id {
-                return Error::Http {
-                    source: "successful typed job response did not contain a result".into(),
-                    request_id: request_id.clone(),
-                    status_code: None,
-                };
-            }
-            Error::Runtime {
+        let value = self.value.ok_or_else(|| match &self.request_id {
+            Some(request_id) => Error::Http {
+                source: "successful typed job response did not contain a result".into(),
+                request_id: request_id.clone(),
+                status_code: None,
+            },
+            None => Error::Runtime {
                 message: "successful typed job did not contain a result".to_string(),
-            }
+            },
         })?;
-        serde_json::from_value(value).map_err(|error| {
-            #[cfg(feature = "remote")]
-            {
-                match self.request_id {
-                    Some(request_id) => Error::Http {
-                        source: format!("failed to parse typed job result: {error}").into(),
-                        request_id,
-                        status_code: None,
-                    },
-                    None => Error::Runtime {
-                        message: format!("failed to parse typed job result: {error}"),
-                    },
-                }
-            }
-            #[cfg(not(feature = "remote"))]
-            {
-                let _ = self.request_id;
-                Error::Runtime {
-                    message: format!("failed to parse typed job result: {error}"),
-                }
-            }
+        serde_json::from_value(value).map_err(|error| match self.request_id {
+            Some(request_id) => Error::Http {
+                source: format!("failed to parse typed job result: {error}").into(),
+                request_id,
+                status_code: None,
+            },
+            None => Error::Runtime {
+                message: format!("failed to parse typed job result: {error}"),
+            },
         })
     }
 }
@@ -102,16 +131,34 @@ enum JobInner<T> {
     Completed(T),
 }
 
+/// What a handle last learned about its job. `state` is separate because an
+/// in-process job can report one but has no server-side record behind it.
+#[derive(Default)]
+struct JobCache {
+    state: Option<String>,
+    description: Option<JobDescription>,
+}
+
 /// A handle to an operation that may still be running.
 ///
 /// The operation may already be complete when the handle is created. `T` is
 /// the endpoint's successful terminal result; unit-result operations use the
 /// default `Job<()>`.
+///
+/// The detail accessors ([`Job::state`], [`Job::job_type`], ...) read what the
+/// handle last observed. Submitting an operation returns only a job id, so
+/// populating them eagerly would cost an extra round trip on every call:
+///
+/// - [`Job::refresh`] and [`Job::status`] fetch the whole record.
+/// - [`Job::wait`] records the terminal state it establishes, but not the rest
+///   of the record; call [`Job::refresh`] for that.
+/// - Everything is `None` until one of those runs.
 pub struct Job<T = ()>
 where
     T: Clone + Send + Sync + 'static,
 {
     inner: JobInner<T>,
+    cache: RwLock<JobCache>,
 }
 
 impl<T> std::fmt::Debug for Job<T>
@@ -119,30 +166,64 @@ where
     T: Clone + Send + Sync + 'static,
 {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("Job")
-            .field("id", &self.id())
-            .field("done", &matches!(self.inner, JobInner::Completed(_)))
-            .finish()
+        let cache = self.cache_read();
+        let mut out = f.debug_struct("Job");
+        out.field("id", &self.id())
+            .field("done", &matches!(self.inner, JobInner::Completed(_)));
+        if let Some(state) = &cache.state {
+            out.field("state", state);
+        }
+        if let Some(description) = &cache.description {
+            out.field("job_type", &description.job_type)
+                .field("creation_ms", &description.creation_ms);
+            if !description.spec.is_null() {
+                out.field("spec", &description.spec);
+            }
+            if let Some(result) = &description.result {
+                out.field("result", result);
+            }
+            if let Some(failure) = &description.failure {
+                out.field("failure", failure);
+            }
+        }
+        out.finish()
     }
 }
 
 impl Job<()> {
-    /// A job whose operation finished before the handle was created.
+    /// A job whose operation finished before the handle was created. Its
+    /// state is known without asking anyone, so the cache starts populated.
     pub(crate) fn new_done() -> Self {
         Self {
             inner: JobInner::Completed(()),
+            cache: RwLock::new(JobCache {
+                state: Some("finished".to_string()),
+                description: None,
+            }),
         }
     }
 
-    #[cfg(feature = "remote")]
     pub(crate) fn new(handle: Box<dyn JobHandle>) -> Self {
         Self {
             inner: JobInner::Handle {
                 handle,
                 decode: Arc::new(|_| Ok(())),
             },
+            cache: RwLock::default(),
         }
     }
+
+    /// A handle whose record the caller has already fetched, so the detail
+    /// accessors answer without a second round trip.
+    pub(crate) fn opened(handle: Box<dyn JobHandle>, description: JobDescription) -> Self {
+        let job = Self::new(handle);
+        {
+            let mut cache = job.cache_write();
+            cache.state = Some(description.state.clone());
+            cache.description = Some(description);
+        }
+        job
+    }
 }
 
 impl<T> Job<T>
@@ -156,6 +237,7 @@ where
                 handle,
                 decode: Arc::new(TerminalResult::decode::<T>),
             },
+            cache: RwLock::default(),
         }
     }
 }
@@ -187,16 +269,124 @@ where
         }
     }
 
+    fn cache_read(&self) -> RwLockReadGuard<'_, JobCache> {
+        self.cache.read().unwrap_or_else(|err| err.into_inner())
+    }
+
+    fn cache_write(&self) -> RwLockWriteGuard<'_, JobCache> {
+        self.cache.write().unwrap_or_else(|err| err.into_inner())
+    }
+
+    /// Asks the backend for this job's current state, and for a server-side
+    /// job its full record, then caches the answer for the detail accessors.
+    ///
+    /// In-process operations have no server-side record, so only
+    /// [`Job::state`] is populated for them.
+    pub async fn refresh(&self) -> Result<()> {
+        self.refresh_state().await.map(|_| ())
+    }
+
+    /// Refreshes and reports the state, which every backend can answer.
+    async fn refresh_state(&self) -> Result<String> {
+        let JobInner::Handle { handle, .. } = &self.inner else {
+            let state = "finished".to_string();
+            self.cache_write().state = Some(state.clone());
+            return Ok(state);
+        };
+        match handle.describe().await {
+            Ok(description) => {
+                let state = description.state.clone();
+                let mut cache = self.cache_write();
+                cache.state = Some(state.clone());
+                cache.description = Some(description);
+                Ok(state)
+            }
+            // An in-process job knows its own state and nothing more.
+            Err(Error::NotSupported { .. }) => {
+                let state = handle.status().await?;
+                self.cache_write().state = Some(state.clone());
+                Ok(state)
+            }
+            Err(err) => Err(err),
+        }
+    }
+
     /// The operation's current lifecycle state: "running", "finished",
     /// "failed", or "cancelled".
     ///
     /// A point snapshot; unlike [`Job::wait`] it does not block, raise on a
     /// terminal failure state, or retry. States a newer server reports that
-    /// this client version does not know pass through as-is.
+    /// this client version does not know pass through as-is. Also refreshes
+    /// the detail accessors.
     pub async fn status(&self) -> Result<String> {
+        self.refresh_state().await
+    }
+
+    /// The last lifecycle state this handle observed, without contacting the
+    /// backend. `None` until the handle has.
+    pub fn state(&self) -> Option<String> {
+        self.cache_read().state.clone()
+    }
+
+    /// The whole server-side record this handle last observed. The accessors
+    /// below read individual fields out of it. `None` for an in-process job,
+    /// which has no such record.
+    pub fn description(&self) -> Option<JobDescription> {
+        self.cache_read().description.clone()
+    }
+
+    /// The job's type, as the server names it. `None` for an in-process job.
+    pub fn job_type(&self) -> Option<String> {
+        self.with_description(|description| description.job_type.clone())
+    }
+
+    /// When the job was created, in milliseconds since the epoch. `None` for
+    /// an in-process job.
+    pub fn creation_ms(&self) -> Option<i64> {
+        self.with_description(|description| description.creation_ms)
+    }
+
+    /// The job-type-specific specification it was submitted with.
+    pub fn spec(&self) -> Option<Value> {
+        self.with_description(|description| description.spec.clone())
+            .filter(|spec| !spec.is_null())
+    }
+
+    /// The job-type-specific terminal result, as reported data rather than the
+    /// typed model [`Job::wait`] returns. `None` until the job succeeds.
+    pub fn result(&self) -> Option<Value> {
+        self.with_description(|description| description.result.clone())
+            .flatten()
+    }
+
+    /// Why the job failed, when it failed and the server reports a reason.
+    pub fn failure(&self) -> Option<JobFailure> {
+        self.with_description(|description| description.failure.clone())
+            .flatten()
+    }
+
+    fn with_description<R>(&self, read: impl FnOnce(&JobDescription) -> R) -> Option<R> {
+        self.cache_read().description.as_ref().map(read)
+    }
+
+    /// This job's recorded lifecycle events.
+    ///
+    /// Unlike the detail accessors, which report a terminal result only once
+    /// the job reaches one, events are written as the job runs and outlive the
+    /// workers that produced them. A distributed job records a
+    /// `claim`/`claim_complete` pair per unit of work, each carrying
+    /// `rows_processed`, so a job that never finishes still accounts for what
+    /// it did. In-process operations keep no event history.
+    pub async fn events(&self, request: JobEventsRequest) -> Result<Vec<RecordBatch>> {
         match &self.inner {
-            JobInner::Handle { handle, .. } => handle.status().await,
-            JobInner::Completed(_) => Ok("finished".to_string()),
+            JobInner::Handle { handle, .. } => handle.events(request).await,
+            // The operation finished before the handle existed, so there is no
+            // id to query with even when a server ran it.
+            JobInner::Completed(_) => Err(Error::NotSupported {
+                message: "this operation completed before its handle was created, so it \
+                          carries no job id to query events with"
+                    .to_string(),
+            }),
         }
     }
 
@@ -208,8 +398,19 @@ where
     /// [`crate::Error::JobCancelled`] if it was cancelled.
     pub async fn wait(&self) -> Result<T> {
         match &self.inner {
-            JobInner::Handle { handle, decode } => (decode)(handle.wait().await?),
-            JobInner::Completed(result) => Ok(result.clone()),
+            JobInner::Handle { handle, decode } => {
+                let settled = handle.wait().await;
+                // Waiting already established a terminal state; record it so
+                // the detail accessors do not need another round trip for it.
+                if let Some(state) = terminal_state(&settled) {
+                    self.cache_write().state = Some(state.to_string());
+                }
+                (decode)(settled?)
+            }
+            JobInner::Completed(result) => {
+                self.cache_write().state = Some("finished".to_string());
+                Ok(result.clone())
+            }
         }
     }
 
@@ -242,20 +443,36 @@ where
         U: Clone + Send + Sync + 'static,
         F: Fn(T) -> U + Send + Sync + 'static,
     {
-        match self.inner {
+        // The mapped handle tracks the same job, so it inherits what this one
+        // has already learned about it.
+        let Self { inner, cache } = self;
+        match inner {
             JobInner::Handle { handle, decode } => Job {
                 inner: JobInner::Handle {
                     handle,
                     decode: Arc::new(move |result| Ok(map((decode)(result)?))),
                 },
+                cache,
             },
             JobInner::Completed(result) => Job {
                 inner: JobInner::Completed(map(result)),
+                cache,
             },
         }
     }
 }
 
+/// The lifecycle state a settled [`JobHandle::wait`] implies.
+fn terminal_state(settled: &Result<TerminalResult>) -> Option<&'static str> {
+    match settled {
+        Ok(_) => Some("finished"),
+        Err(Error::JobFailed { .. }) => Some("failed"),
+        Err(Error::JobCancelled { .. }) => Some("cancelled"),
+        // Anything else is a transport failure, not a verdict on the job.
+        Err(_) => None,
+    }
+}
+
 /// How an in-process operation ended. Cloneable so every waiter can be given
 /// the outcome; [`Error`] is not, so failures share one behind an [`Arc`].
 #[derive(Clone)]

rust/lancedb/src/lib.rs

@@ -195,6 +195,7 @@ pub mod query;
 #[cfg(feature = "remote")]
 pub mod remote;
 pub mod rerankers;
+pub mod sql;
 pub mod table;
 #[cfg(test)]
 pub mod test_utils;

rust/lancedb/src/materialized_view/refresh.rs

@@ -24,8 +24,8 @@ use std::time::{SystemTime, UNIX_EPOCH};
 
 use arrow_array::cast::AsArray;
 use arrow_array::types::UInt64Type;
-use arrow_array::{RecordBatch, UInt64Array};
-use arrow_schema::{Schema as ArrowSchema, SchemaRef};
+use arrow_array::{RecordBatch, UInt64Array, new_null_array};
+use arrow_schema::{FieldRef, Schema as ArrowSchema, SchemaRef};
 use datafusion::common::ScalarValue;
 use datafusion::error::DataFusionError;
 use datafusion::physical_plan::SendableRecordBatchStream;
@@ -34,7 +34,7 @@ use datafusion::prelude::{col, lit};
 use futures::{StreamExt, TryStreamExt};
 use lance::Dataset;
 use lance::dataset::mem_wal::DatasetMemWalExt;
-use lance::dataset::transaction::{Operation, Transaction};
+use lance::dataset::transaction::{Operation, Transaction, UpdateMode};
 use lance::dataset::write::delete::DeleteBuilder;
 use lance::dataset::write::merge_insert::inserted_rows::{
     KeyExistenceFilter, KeyExistenceFilterBuilder, KeyValue,
@@ -51,6 +51,9 @@ use super::{
     definition_to_metadata,
 };
 use crate::database::OpenTableRequest;
+use crate::table::computed_columns::{
+    computed_column_from_field, computed_columns, ensure_declarations_are_planned,
+};
 use crate::table::{NativeTable, NativeTableExt, Table};
 use crate::{Error, Result};
 
@@ -167,30 +170,52 @@ pub(crate) async fn execute_refresh(
         .map(|p| (p.output.clone(), p.expression.clone()))
         .collect();
     validate_inputs(&source_ds, definition)?;
-    let (replanned, mut planned_fields, _renames) = super::plan(
+    let (replanned, planned_fields, _renames) = super::plan(
         source_schema,
         &definition.source_table,
         &definition.source_namespace,
-        &projections,
+        Some(&projections),
         definition.filter.as_deref(),
         definition.limit,
     )?;
+    let mut planned_fields = planned_fields;
     planned_fields.push(arrow_schema::Field::new(
         SOURCE_ROW_ID_COLUMN,
         arrow_schema::DataType::UInt64,
         false,
     ));
+    // A computed column is not planned from the source: refresh writes it
+    // NULL and its declaration's owner fills it. Its declaration must still
+    // be complete, and it must be able to hold NULL.
     let physical = ArrowSchema::from(view_ds.schema());
-    let planned_shape: Vec<_> = planned_fields
-        .iter()
-        .map(|f| (f.name().clone(), f.data_type().clone(), f.is_nullable()))
-        .collect();
-    let physical_shape: Vec<_> = physical
+    let mut computed = computed_columns(&physical).into_iter().map(|c| c.name);
+    if let Some(name) = computed.by_ref().find(|name| {
+        physical
+            .field_with_name(name)
+            .is_ok_and(|f| !f.is_nullable())
+    }) {
+        return Err(Error::Schema {
+            message: format!(
+                "computed column '{name}' of view '{}' cannot hold NULL; recreate the view",
+                view.name()
+            ),
+        });
+    }
+    ensure_declarations_are_planned(&physical)?;
+    let physical_planned: Vec<&FieldRef> = physical
         .fields()
         .iter()
-        .map(|f| (f.name().clone(), f.data_type().clone(), f.is_nullable()))
+        .filter(|f| computed_column_from_field(f).is_none())
         .collect();
-    if planned_shape != physical_shape {
+    // A projected column that became nullable at the source still fits the
+    // view's nullable field; the reverse would not.
+    let matches = planned_fields.len() == physical_planned.len()
+        && planned_fields.iter().zip(&physical_planned).all(|(e, p)| {
+            e.name() == p.name()
+                && e.data_type() == p.data_type()
+                && (p.is_nullable() || !e.is_nullable())
+        });
+    if !matches {
         return Err(Error::Schema {
             message: format!(
                 "the stored definition of view '{}' does not produce this \
@@ -229,11 +254,18 @@ pub(crate) async fn execute_refresh(
         .get(SOURCE_VERSION_TS_META_KEY)
         .and_then(|raw| raw.parse().ok());
     // The watermark speaks only for the view state its refresh left behind;
-    // any other commit on the view since then is drift.
-    let view_intact = metadata
+    // any other commit on the view since then is drift, except a fill of its
+    // computed columns, which rewrites nothing refresh certifies.
+    let recorded_view_version = metadata
         .get(VIEW_VERSION_META_KEY)
-        .and_then(|raw| raw.parse::<u64>().ok())
-        == Some(view_ds.version().version);
+        .and_then(|raw| raw.parse::<u64>().ok());
+    let view_intact = match recorded_view_version {
+        Some(recorded) if recorded == view_ds.version().version => true,
+        Some(recorded) if recorded < view_ds.version().version => {
+            only_computed_rewrites_since(&view_ds, recorded).await?
+        }
+        _ => false,
+    };
 
     if !full && watermark == Some(source_version) && view_intact && recorded_ts == Some(source_ts) {
         return Ok(RefreshMaterializedViewResult {
@@ -1090,6 +1122,69 @@ struct RowScope {
     limit: Option<u64>,
 }
 
+/// Whether every commit on the view after `recorded` is a fill of its
+/// computed columns: a column rewrite or data replacement touching only
+/// those fields and neither adding nor removing rows. A version whose
+/// transaction cannot be read is not proven, so it counts as drift.
+async fn only_computed_rewrites_since(view_ds: &Dataset, recorded: u64) -> Result<bool> {
+    // A fill may write any field under a computed column, so the whole
+    // subtree counts, not only the root.
+    let physical = ArrowSchema::from(view_ds.schema());
+    fn subtree(field: &lance_core::datatypes::Field, ids: &mut Vec<u32>) {
+        ids.push(field.id as u32);
+        for child in &field.children {
+            subtree(child, ids);
+        }
+    }
+    let mut computed_fields = Vec::new();
+    for column in computed_columns(&physical) {
+        if let Some(field) = view_ds.schema().field(&column.name) {
+            subtree(field, &mut computed_fields);
+        }
+    }
+    if computed_fields.is_empty() {
+        return Ok(false);
+    }
+    for version in recorded + 1..=view_ds.version().version {
+        let Some(transaction) = view_ds.read_transaction_by_version(version).await? else {
+            return Ok(false);
+        };
+        let fill = match &transaction.operation {
+            Operation::Update {
+                removed_fragment_ids,
+                new_fragments,
+                fields_modified,
+                update_mode: Some(UpdateMode::RewriteColumns),
+                ..
+            } => {
+                removed_fragment_ids.is_empty()
+                    && new_fragments.is_empty()
+                    && !fields_modified.is_empty()
+                    && fields_modified
+                        .iter()
+                        .all(|field| computed_fields.contains(field))
+            }
+            // What `refresh_column` commits for a SQL declaration.
+            Operation::DataReplacement { replacements } => {
+                !replacements.is_empty()
+                    && replacements.iter().all(|group| {
+                        !group.1.fields.is_empty()
+                            && group
+                                .1
+                                .fields
+                                .iter()
+                                .all(|field| computed_fields.contains(&(*field as u32)))
+                    })
+            }
+            _ => false,
+        };
+        if !fill {
+            return Ok(false);
+        }
+    }
+    Ok(true)
+}
+
 async fn compute_stream(
     source: &Dataset,
     definition: &MaterializedViewDefinition,
@@ -1158,6 +1253,10 @@ async fn compute_stream(
         let batch = batch.map_err(|e| DataFusionError::External(Box::new(e)))?;
         let mut columns = Vec::with_capacity(out_schema.fields().len());
         for field in out_schema.fields() {
+            if computed_column_from_field(field).is_some() {
+                columns.push(new_null_array(field.data_type(), batch.num_rows()));
+                continue;
+            }
             let name = if field.name() == SOURCE_ROW_ID_COLUMN {
                 ROW_ID
             } else {
@@ -2768,7 +2867,7 @@ mod tests {
         let (conn, source) = db_with_source(vec![1]).await;
         let prepared = crate::materialized_view::prepare_declaration(
             &source,
-            &[("x".into(), "x".into()), ("twice".into(), "x * 2".into())],
+            Some(&[("x".into(), "x".into()), ("twice".into(), "x * 2".into())]),
             None,
             None,
         )
@@ -3132,4 +3231,424 @@ mod tests {
         let err = view.refresh().execute().await.unwrap_err();
         assert!(err.to_string().contains("source table 'src'"), "{err}");
     }
+
+    /// A view with a computed column, declared over `people` and refreshed.
+    async fn refreshed_computed_view(conn: &Connection) -> MaterializedView {
+        use crate::materialized_view::tests::{computed_field, people, test_binding};
+        let source = people(conn).await;
+        let view = crate::materialized_view::prepare_declaration(
+            &source,
+            Some(&[
+                ("id".to_string(), "id".to_string()),
+                ("name".to_string(), "name".to_string()),
+            ]),
+            None,
+            None,
+        )
+        .await
+        .unwrap()
+        .with_computed_columns(
+            vec![(2, computed_field("emb", "fb_1", "name"))],
+            &[test_binding("fb_1", "name", "emb")],
+        )
+        .unwrap()
+        .create("v")
+        .await
+        .unwrap();
+        let result = view.refresh().execute().await.unwrap();
+        assert_eq!(result.mode, RefreshMode::Rebuild);
+        view
+    }
+
+    async fn unfilled(view: &MaterializedView) -> usize {
+        view.table()
+            .count_rows(Some("emb IS NULL".to_string()))
+            .await
+            .unwrap()
+    }
+
+    async fn append_people(conn: &Connection, ids: Vec<i32>, names: Vec<&str>) {
+        let batch = record_batch!(("id", Int32, ids), ("name", Utf8, names)).unwrap();
+        conn.open_table("people")
+            .execute()
+            .await
+            .unwrap()
+            .add(batch)
+            .execute()
+            .await
+            .unwrap();
+    }
+
+    /// Commit the fill job's shape on the view: a column rewrite of
+    /// `fields`, touching no rows. The data is left as it is; what matters
+    /// here is how the next refresh classifies the commit.
+    async fn commit_column_rewrite(view: &MaterializedView, fields: &[&str]) {
+        let native = view.table().as_native().unwrap();
+        native.dataset.reload().await.unwrap();
+        let dataset = native.dataset.get().await.unwrap().as_ref().clone();
+        let fields_modified = fields
+            .iter()
+            .map(|name| dataset.schema().field(name).unwrap().id as u32)
+            .collect();
+        let updated_fragments = dataset
+            .get_fragments()
+            .iter()
+            .map(|fragment| fragment.metadata().clone())
+            .collect();
+        let operation = Operation::Update {
+            removed_fragment_ids: Vec::new(),
+            updated_fragments,
+            new_fragments: Vec::new(),
+            fields_modified,
+            compacted_sstables: Vec::new(),
+            fields_for_preserving_frag_bitmap: Vec::new(),
+            update_mode: Some(UpdateMode::RewriteColumns),
+            inserted_rows_filter: None,
+            updated_fragment_offsets: None,
+        };
+        let read_version = dataset.version().version;
+        CommitBuilder::new(WriteDestination::Dataset(Arc::new(dataset)))
+            .execute(Transaction::new(read_version, operation, None))
+            .await
+            .unwrap();
+    }
+
+    /// Refresh never computes a computed column: every row it writes, on a
+    /// rebuild, an append and a rewrite, carries NULL there, and the
+    /// declaration survives all three.
+    #[tokio::test]
+    async fn test_computed_columns_are_written_null_and_kept() {
+        let conn = connect("memory://").execute().await.unwrap();
+        let view = refreshed_computed_view(&conn).await;
+        assert_eq!(unfilled(&view).await, 3);
+
+        append_people(&conn, vec![4, 5], vec!["d", "e"]).await;
+        let result = view.refresh().execute().await.unwrap();
+        assert_eq!(result.mode, RefreshMode::Incremental);
+        assert_eq!(unfilled(&view).await, 5);
+
+        conn.open_table("people")
+            .execute()
+            .await
+            .unwrap()
+            .update()
+            .column("name", "'z'")
+            .only_if("id = 1")
+            .execute()
+            .await
+            .unwrap();
+        view.refresh().execute().await.unwrap();
+        assert_eq!(unfilled(&view).await, 5);
+        assert_eq!(read(view.table(), "id").await, vec![1, 2, 3, 4, 5]);
+
+        let schema = view.table().schema().await.unwrap();
+        assert!(
+            crate::table::computed_columns::function_bindings(&schema)
+                .unwrap()
+                .iter()
+                .any(|b| b.binding_id() == "fb_1"),
+            "the binding envelope was lost"
+        );
+        assert!(
+            computed_column_from_field(schema.field_with_name("emb").unwrap()).is_some(),
+            "the declaration was lost"
+        );
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::NoOp
+        );
+    }
+
+    /// The fill job's commit rewrites only computed columns. It is the one
+    /// commit on a view that is not drift: the next refresh carries on from
+    /// its watermark instead of rebuilding, which would null what the fill
+    /// just wrote.
+    #[tokio::test]
+    async fn test_a_computed_column_fill_is_not_drift() {
+        let conn = connect("memory://").execute().await.unwrap();
+        let view = refreshed_computed_view(&conn).await;
+
+        commit_column_rewrite(&view, &["emb"]).await;
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::NoOp
+        );
+
+        commit_column_rewrite(&view, &["emb"]).await;
+        append_people(&conn, vec![4], vec!["d"]).await;
+        let result = view.refresh().execute().await.unwrap();
+        assert_eq!(result.mode, RefreshMode::Incremental);
+        assert_eq!(result.rows_written, 1);
+        assert_eq!(read(view.table(), "id").await, vec![1, 2, 3, 4]);
+    }
+
+    /// A column rewrite that reaches a projected column is drift like any
+    /// other write: refresh certifies those columns and must recompute them.
+    #[tokio::test]
+    async fn test_a_rewrite_of_a_projected_column_is_drift() {
+        let conn = connect("memory://").execute().await.unwrap();
+        let view = refreshed_computed_view(&conn).await;
+
+        commit_column_rewrite(&view, &["emb", "name"]).await;
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::Rebuild
+        );
+    }
+
+    /// The declaration contract is checked before any refresh mutation: a
+    /// missing binding envelope and a column that lost its declaration both
+    /// fail closed.
+    #[tokio::test]
+    async fn test_a_broken_declaration_is_refused_before_refresh() {
+        let conn = connect("memory://").execute().await.unwrap();
+        let view = refreshed_computed_view(&conn).await;
+        let native = view.table().as_native().unwrap();
+        let mut dataset = native.dataset.get().await.unwrap().as_ref().clone();
+        dataset
+            .update_schema_metadata(vec![(
+                crate::table::computed_columns::FUNCTION_BINDINGS_META_KEY.to_string(),
+                None,
+            )])
+            .await
+            .unwrap();
+        let err = view.refresh().execute().await.unwrap_err().to_string();
+        assert!(err.contains("references missing binding 'fb_1'"), "{err}");
+
+        let conn = connect("memory://").execute().await.unwrap();
+        let view = refreshed_computed_view(&conn).await;
+        let native = view.table().as_native().unwrap();
+        let mut dataset = native.dataset.get().await.unwrap().as_ref().clone();
+        dataset
+            .replace_field_metadata(vec![(
+                dataset.schema().field("emb").unwrap().id as u32,
+                HashMap::new(),
+            )])
+            .await
+            .unwrap();
+        let err = view.refresh().execute().await.unwrap_err().to_string();
+        assert!(err.contains("does not match binding 'fb_1'"), "{err}");
+    }
+
+    /// An input the view does not project is materialized on every refresh
+    /// path, before the provenance column, with the source's values.
+    #[tokio::test]
+    async fn test_internal_inputs_are_materialized_and_refreshed() {
+        use crate::materialized_view::tests::{computed_field, strict_people, test_binding};
+        let conn = connect("memory://").execute().await.unwrap();
+        let source = strict_people(&conn).await;
+        let mut prepared = crate::materialized_view::prepare_declaration(
+            &source,
+            Some(&[("id".to_string(), "id".to_string())]),
+            None,
+            None,
+        )
+        .await
+        .unwrap();
+        let input = prepared.input_column("name").unwrap();
+        let view = prepared
+            .with_computed_columns(
+                vec![(1, computed_field("emb", "fb_1", &input))],
+                &[test_binding("fb_1", &input, "emb")],
+            )
+            .unwrap()
+            .create("v")
+            .await
+            .unwrap();
+        let names: Vec<String> = view
+            .table()
+            .schema()
+            .await
+            .unwrap()
+            .fields()
+            .iter()
+            .map(|f| f.name().clone())
+            .collect();
+        assert_eq!(names, ["id", "emb", "__input_name", SOURCE_ROW_ID_COLUMN]);
+
+        let unfilled_inputs = || async {
+            view.table()
+                .count_rows(Some("__input_name IS NULL".to_string()))
+                .await
+                .unwrap()
+        };
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::Rebuild
+        );
+        assert_eq!(view.table().count_rows(None).await.unwrap(), 3);
+        assert_eq!(unfilled_inputs().await, 0);
+
+        let more = arrow_array::RecordBatch::try_new(
+            source.schema().await.unwrap(),
+            vec![
+                Arc::new(Int32Array::from(vec![4])),
+                Arc::new(arrow_array::StringArray::from(vec!["d"])),
+            ],
+        )
+        .unwrap();
+        source.add(more).execute().await.unwrap();
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::Incremental
+        );
+        assert_eq!(unfilled_inputs().await, 0);
+        assert_eq!(
+            view.table()
+                .count_rows(Some("__input_name = 'd'".to_string()))
+                .await
+                .unwrap(),
+            1
+        );
+
+        source
+            .update()
+            .column("name", "'z'")
+            .only_if("id = 1")
+            .execute()
+            .await
+            .unwrap();
+        view.refresh().execute().await.unwrap();
+        assert_eq!(
+            view.table()
+                .count_rows(Some("__input_name = 'z'".to_string()))
+                .await
+                .unwrap(),
+            1
+        );
+        assert_eq!(
+            unfilled(&view).await,
+            4,
+            "rewritten and new rows are unfilled"
+        );
+    }
+
+    /// A SQL declaration is filled by `refresh_column` on the view, which
+    /// commits a data replacement; the next refresh continues from its
+    /// watermark and keeps what the fill wrote, and only rows the view added
+    /// since come back unfilled.
+    #[tokio::test]
+    async fn test_a_sql_fill_is_not_drift() {
+        use crate::materialized_view::tests::{people, sql_field};
+        let conn = connect("memory://").execute().await.unwrap();
+        let source = people(&conn).await;
+        let view = crate::materialized_view::prepare_declaration(
+            &source,
+            Some(&[("id".to_string(), "id".to_string())]),
+            None,
+            None,
+        )
+        .await
+        .unwrap()
+        .with_computed_columns(
+            vec![(
+                1,
+                sql_field("next", arrow_schema::DataType::Int32, "id + 1", r#"["id"]"#),
+            )],
+            &[],
+        )
+        .unwrap()
+        .create("v")
+        .await
+        .unwrap();
+        let filled = || async {
+            view.table()
+                .count_rows(Some("next = id + 1".to_string()))
+                .await
+                .unwrap()
+        };
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::Rebuild
+        );
+        assert_eq!(
+            view.table()
+                .refresh_column("next")
+                .await
+                .unwrap()
+                .rows_filled,
+            3
+        );
+        assert_eq!(filled().await, 3);
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::NoOp
+        );
+        assert_eq!(filled().await, 3);
+
+        append_people(&conn, vec![4], vec!["d"]).await;
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::Incremental
+        );
+        assert_eq!(filled().await, 3);
+        assert_eq!(
+            view.table()
+                .refresh_column("next")
+                .await
+                .unwrap()
+                .rows_filled,
+            1
+        );
+        assert_eq!(filled().await, 4);
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::NoOp
+        );
+    }
+
+    /// A fill of a nested computed column writes its child fields; that is
+    /// still a fill, not drift.
+    #[tokio::test]
+    async fn test_a_nested_sql_fill_is_not_drift() {
+        use crate::materialized_view::tests::{people, sql_field};
+        let conn = connect("memory://").execute().await.unwrap();
+        let source = people(&conn).await;
+        let payload = sql_field(
+            "payload",
+            arrow_schema::DataType::Struct(
+                vec![arrow_schema::Field::new(
+                    "value",
+                    arrow_schema::DataType::Utf8,
+                    true,
+                )]
+                .into(),
+            ),
+            "named_struct('value', name)",
+            r#"["name"]"#,
+        );
+        let view = crate::materialized_view::prepare_declaration(
+            &source,
+            Some(&[("name".to_string(), "name".to_string())]),
+            None,
+            None,
+        )
+        .await
+        .unwrap()
+        .with_computed_columns(vec![(1, payload)], &[])
+        .unwrap()
+        .create("v")
+        .await
+        .unwrap();
+        view.refresh().execute().await.unwrap();
+        assert_eq!(
+            view.table()
+                .refresh_column("payload")
+                .await
+                .unwrap()
+                .rows_filled,
+            3
+        );
+        assert_eq!(
+            view.refresh().execute().await.unwrap().mode,
+            RefreshMode::NoOp
+        );
+        assert_eq!(
+            view.table()
+                .count_rows(Some("payload.value = name".to_string()))
+                .await
+                .unwrap(),
+            3
+        );
+    }
 }

rust/lancedb/src/query.rs

@@ -1299,7 +1299,7 @@ impl VectorQuery {
     /// This can be useful when there is a narrow filter to allow these queries to
     /// spend more time searching and avoid potential false negatives.
     ///
-    /// Set to None to search all partitions, if needed, to satsify the limit
+    /// Set to None to search all partitions, if needed, to satisfy the limit
     pub fn maximum_nprobes(mut self, maximum_nprobes: Option<usize>) -> Result<Self> {
         if let Some(maximum_nprobes) = maximum_nprobes {
             if maximum_nprobes == 0 {

rust/lancedb/src/remote.rs

@@ -11,6 +11,7 @@ pub(crate) mod db;
 pub(crate) mod job;
 pub mod oauth;
 mod retry;
+pub(crate) mod sql;
 pub(crate) mod table;
 pub(crate) mod util;