[SPARK-49975][SQL] Disallow LEGACY storeAssignmentPolicy with DataFrameWriterV2 API #48476
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What changes were proposed in this pull request?
Before this PR, store assignment policy is validated for
V2Writecommand whenv2Write.table.resolved && v2Write.query.resolved && !v2Write.outputResolvedis true. However,!v2Write.outputResolveddoesn't hold for DataFrameWriterV2 API and the policy is not validated. This PR validates store assignment policy forV2Writecommand without any conditions.Why are the changes needed?
LEGACY store assignment policy should not be allowed writing to v2 table with DataFrameWriterV2 API.
Does this PR introduce any user-facing change?
An
AnalysisErrorwill be thrown when users write to v2 table with DataFrameWriterV2 API andspark.sql.storeAssignmentPolicy=LEGACYHow was this patch tested?
UT.
Was this patch authored or co-authored using generative AI tooling?
No.