[ADH-5569] (3.5.2) Force a purge during table/partition drop in case if the 'external.table.purge' table option is present #6
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…external.table.purge' table option is present
AngryX
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Jan 24, 2025
Asmoday
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Jan 24, 2025
werzerbb
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Aug 14, 2025
…anRelationPushDown ### What changes were proposed in this pull request? Add the timezone information to a cast expression when the destination type requires it. ### Why are the changes needed? When current_timestamp() is materialized as a string, the timezone information is gone (e.g., 2024-12-27 10:26:27.684158) which prohibits further optimization rules from being applied to the affected data source. For example, ``` Project [1735900357973433#10 AS current_timestamp()#6] +- 'Project [cast(2025-01-03 10:32:37.973433#11 as timestamp) AS 1735900357973433#10] +- RelationV2[2025-01-03 10:32:37.973433#11] xxx ``` -> This query fails to execute because the injected cast expression lacks the timezone information. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Existing tests. ### Was this patch authored or co-authored using generative AI tooling? No. Closes apache#49549 from changgyoopark-db/SPARK-50870. Authored-by: changgyoopark-db <[email protected]> Signed-off-by: Wenchen Fan <[email protected]> (cherry picked from commit 24abb0f) Signed-off-by: Wenchen Fan <[email protected]>
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