Jack Ye 9af7757053 fix: execute remote materialized view creation through SQL (#4665)
Remote materialized-view creation currently expects a REST response
containing a registry job ID, while refresh already submits SQL. Route
both through the SQL query backend and preserve Python's synchronous and
asynchronous return types.

### Query to Job mapping

`SqlClient::submit_as_job()` submits an `ExecuteQueryRequest` through
the same backend as `execute_query_async()`. Once submission succeeds,
it retains the returned `Query` and starts one client-side task that
consumes its result reader to completion. `Job::from_query_task()` wraps
that task, its cached outcome, a single ID and a cancellation callback.
Python exposes this as `Job[T]` or `AsyncJob[T]`.

The existing `job_type` property maps SQL-backed handles to the new
`"query"` kind. The shared `id` contains that query's UUID string, so
Python callers can inspect it with `db.describe_query(job.id)` on the
submitting connection. No separate `query_id`, backend enum or `type()`
API is added.

| Handle | `job_type` | `id` | Available lookup |
| --- | --- | --- | --- |
| SQL-backed | `"query"`, known at submission | Connection-scoped query
UUID string | `describe_query(job.id)` |
| Registry-backed | Existing server-reported kind, after `status()` or
`refresh()` | Registry job ID string | Registry job APIs, descriptions
and events |
| Local | `None` | `None` | The current in-process handle |

| Job concept | SQL-backed behavior |
| --- | --- |
| Submission | Await initial SQL submission before returning the handle.
Submission errors propagate immediately. |
| `status()` | Tracks the adapter task: running during result
consumption/finalization, finished after both succeed, failed if either
fails, or cancelled after cancellation. |
| `wait()` | Returns the operation's typed terminal result. One task
consumes the query reader once; repeated waits reuse its cached outcome
without resubmitting SQL or reopening the reader. |
| `cancel()` | Delegates to `Query.cancel()`. Rejected or unsupported
cancellation leaves the task running; an accepted request stops the
task. Cancelling a finished operation is a no-op. |
| Registry details | Query-backed handles expose no registry
description, event history, pause/resume or reattachment after a client
restart. `refresh()` updates cached lifecycle state. |

The Job tracks command completion rather than exposing SQL batches. A
wait timeout does not cancel the query. Query IDs remain scoped to the
submitting connection and cannot be used with registry APIs or as
durable resume tokens. Python `describe_query()` accepts both UUID
objects and the string `id` exposed by query-backed jobs. Rust, Python
and TypeScript expose the same classification through their existing
job-type accessors.

### Materialized-view operations

- **CREATE:** Render `CREATE MATERIALIZED VIEW` with the view namespace
and optional auto-refresh settings. After command completion, resolve
the job to `None`. Synchronous creation waits on the job, then opens and
returns the materialized view.
- **REFRESH:** Submit `REFRESH MATERIALIZED VIEW` through the same
adapter. After command completion, read the refreshed table's version
and row count to construct the existing typed refresh result.
Synchronous refresh waits on the same path.

Remote creation requires the SQL service. Execution placement remains a
server decision. REST endpoints are unchanged. The job guide documents
the ID/job-type contract and query-backed limitations.

Regression coverage exercises SQL submission, namespaces, refresh
options, job-type/ID preservation through typed result mapping, repeated
waits, failures and cancellation rejection. No local builds or tests
were run.
2026-10-25 01:20:13 -07:00
2023-03-17 18:15:19 -07:00
2025-03-10 09:01:23 -07:00

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LanceDB

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The ultimate multimodal data platform for AI/ML applications.

LanceDB is designed for fast, scalable, and production-ready vector search. It is built on top of the Lance columnar format. You can store, index, and search over petabytes of multimodal data and vectors with ease. LanceDB is a central location where developers can build, train and analyze their AI workloads.


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