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chore: update Lance to v15.0.0-beta.2 (#4690)

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**Blocked on the corrected Lance release:**
https://github.com/lance-format/lance/pull/10370 restores the `Send`
contract required by downstream Function workers. Refresh this upgrade
with that release before merging.

Upgrade the Rust, Java, and Python Lance dependencies to
https://github.com/lance-format/lance/releases/tag/v15.0.0-beta.2. This
brings in bounded vector-index consolidation without retraining
(https://github.com/lance-format/lance/pull/10335) and deletion
filtering for index entries whose fragment coverage was pruned
(https://github.com/lance-format/lance/pull/10325).

Synchronize the vendored `lance-arrow` with the release and retain its
offset-safe validity patch. The existing `nullable_struct_merge`
regression still panics with the unpatched release, so removing that
patch would regress nullable nested queries. Refresh both lockfiles,
including the `zstd-sys` version required by the new Lance encoding
dependency.

Update the custom memtable bitmap test adapter to train on row
addresses, matching the new bitmap contract; remove its obsolete row-ID
conversion.

Preserve the Blob APIs' existing missing-row error messages when newer
Lance rejects a missing fragment earlier in the read path. Retain
upstream attribution in vendored sources while satisfying the repository
license-header check.

Validation of the compatibility fixes: all 58 Rust Blob integration
tests and 219 Python Blob tests pass (one Python test skipped). Strict
workspace Clippy, formatting, and diff checks pass.
This commit is contained in:
Xuanwo
2026-10-27 17:35:43 +08:00
committed by GitHub
parent 7fca4d666a
commit ad1212fb32
12 changed files with 957 additions and 307 deletions
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python/pyproject.toml
+2 -2
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@@ -46,7 +46,7 @@ repository = "https://github.com/lancedb/lancedb"
[project.optional-dependencies]
pylance = [
# Keep the minimum in the bundled Lance major and compatible with tests below.
"pylance>=15.0.0b1",
"pylance>=15.0.0b2",
]
# A library only needs the OpenTelemetry API; the application supplies and
# configures the SDK (the actual exporter/reader). See
@@ -64,7 +64,7 @@ tests = [
"polars>=0.19, <=1.32.3",
"pyarrow<25",
"pyarrow-stubs>=16.0",
"pylance==15.0.0b1",
"pylance==15.0.0b2",
"requests>=2.31.0",
"datafusion>=54,<55",
"opentelemetry-sdk>=1.30.0",