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https://issues.apache.org/jira/browse/SPARK-57846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk updated SPARK-57846:
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Labels: starter (was: )
> Add the try_make_time function
> ------------------------------
>
> Key: SPARK-57846
> URL: https://issues.apache.org/jira/browse/SPARK-57846
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.3.0
> Reporter: Max Gekk
> Priority: Major
> Labels: starter
>
> This sub-task is part of the umbrella SPARK-57550 (extend support for the
> TIME data type).
> h2. Problem
> {{make_time}} exists and throws on invalid input (timeExpressions.scala
> ~L599-620; registered in FunctionRegistry.scala ~L748), but there is no
> {{try_make_time}}, unlike {{try_make_timestamp}} (FunctionRegistry.scala
> ~L757). This is an error-handling parity gap.
> h2. Goal
> Add a {{try_make_time}} function that returns NULL instead of throwing when
> the hour/minute/second fields are out of range.
> h2. Scope
> Add a {{try_make_time}} expression builder (reusing {{MakeTime}} with TRY
> eval mode) and register it in {{FunctionRegistry}}.
> h2. Acceptance criteria
> * {{try_make_time(25, 0, 0)}} returns NULL; valid inputs match {{make_time}}.
> h2. Testing
> {{TimeExpressionsSuite}}; TIME golden files.
> h2. Dependencies
> None - independent.
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