Add bulk load/update columns documentation for Geneva#214
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Covers the load_columns API for joining pre-computed column data from external sources (Parquet, Lance, IPC) into LanceDB tables by primary key. Includes usage examples, missing key handling, performance tuning (memory sizing, concurrency, checkpointing, multi-pass loads, cost model), and links to SDK reference. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
Move concurrency, commit visibility, and multi-pass loads under performance tuning. Consolidate supported formats, multiple columns, async API, and validation into briefer inline mentions. Remove references to Ray internals. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
Drop cost model and index build latency sections. Merge memory sizing into multi-pass where it's actionable. Trim concurrency, checkpointing, and commit visibility to essentials. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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jmhsieh
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BubbleCal,
dantasse,
justinrmiller,
prrao87 and
rpgreen
BubbleCal
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Apr 15, 2026
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The example code is not correct, but LGTM for the rest
Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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Summary
load_columns/load_columns_asyncAPI covering bulk loading and updating column data from external sources (Parquet, Lance, IPC) via primary-key joinon_missingmodes), and performance tuning (concurrency, checkpointing, commit visibility, multi-pass loads)Test plan
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