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chore(bigquery): allow WRITE_APPEND in createQueryArrowStream - #9648

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ohmayr wants to merge 1 commit into
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fix/bigquery-arrow-allow-write-append
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ohmayr wants to merge 1 commit into
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fix/bigquery-arrow-allow-write-append

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@ohmayr

@ohmayr ohmayr commented Oct 16, 2026 •

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As per the design doc discussion, we keep WRITE_APPEND consistent to how it works today for a regular query.

BigQuery returns the whole destination table for WRITE_APPEND in every
results format, so Arrow results match the JSON path. Remove the
rejection and its tests.
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ohmayr requested review from a team as code owners October 16, 2026 02:59
@product-auto-label product-auto-label Bot added the api: bigquery Issues related to the BigQuery API. label Oct 16, 2026
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ohmayr requested a review from shivanee-p October 16, 2026 03:00

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Code Review

This pull request removes the restriction and associated tests that rejected the WRITE_APPEND write disposition when creating an Arrow query stream. Specifically, the check for WRITE_APPEND in createQueryArrowStream_ has been removed, along with the corresponding unit and system tests. There are no review comments to address.

@ohmayr ohmayr changed the title fix(bigquery): allow WRITE_APPEND in createQueryArrowStream chore(bigquery): allow WRITE_APPEND in createQueryArrowStream Oct 16, 2026

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