feat: Add support for 'isoyear' in date_part function#19821
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alamb merged 2 commits intoapache:mainfrom Jan 16, 2026
Merged
feat: Add support for 'isoyear' in date_part function#19821alamb merged 2 commits intoapache:mainfrom
alamb merged 2 commits intoapache:mainfrom
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## Which issue does this PR close? <!-- We generally require a GitHub issue to be filed for all bug fixes and enhancements and this helps us generate change logs for our releases. You can link an issue to this PR using the GitHub syntax. For example `Closes apache#123` indicates that this PR will close issue apache#123. --> - Closes apache#19820. ## Rationale for this change `isoyear` part is available in both PG and Spark EXTRACT functions. https://www.postgresql.org/docs/current/functions-datetime.html#:~:text=the%20week%20numbering.-,isoyear,-The%20ISO%208601 https://github.com/apache/spark/blob/a03bedb6c1281c5263a42bfd20608d2ee005ab05/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L3360 ## What changes are included in this PR? Support for part `isoyear` in date_part function. ## Are these changes tested? yes in SLT ## Are there any user-facing changes? yes <!-- If there are any breaking changes to public APIs, please add the `api change` label. -->
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Which issue does this PR close?
Rationale for this change
isoyearpart is available in both PG and Spark EXTRACT functions.https://www.postgresql.org/docs/current/functions-datetime.html#:~:text=the%20week%20numbering.-,isoyear,-The%20ISO%208601
https://github.com/apache/spark/blob/a03bedb6c1281c5263a42bfd20608d2ee005ab05/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L3360
What changes are included in this PR?
Support for part
isoyearin date_part function.Are these changes tested?
yes in SLT
Are there any user-facing changes?
yes