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https://issues.apache.org/jira/browse/SPARK-57560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk reassigned SPARK-57560:
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Assignee: Max Gekk
> Support TRY eval mode for TIME datetime arithmetic
> --------------------------------------------------
>
> Key: SPARK-57560
> URL: https://issues.apache.org/jira/browse/SPARK-57560
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.3.0
> Reporter: Max Gekk
> Assignee: Max Gekk
> Priority: Major
> Labels: pull-request-available
>
> h2. What
> Support TRY-eval semantics for TIME datetime arithmetic ({{TIME +/- day-time
> INTERVAL}},
> and TIME-related add expressions) so that {{try_*}} wrappers and {{try}} mode
> return NULL
> on overflow/out-of-range instead of throwing.
> h2. Why
> {{TryEval}} carries a TODO to support TRY eval mode on datetime arithmetic
> expressions.
> TIME arithmetic ({{TimeAddInterval}}, {{SubtractTimes}}) is in this family;
> without TRY
> support, {{try_add}}-style usage over TIME cannot suppress errors
> consistently with the
> rest of the datetime types.
> h2. Scope
> * Extend the datetime-arithmetic TRY handling in {{TryEval}} (and the
> relevant arithmetic
> expressions) to cover the TIME expressions.
> * Ensure ANSI/non-ANSI behavior parity with other datetime arithmetic.
> h2. Acceptance criteria
> * TRY-mode TIME arithmetic returns NULL (not an error) on out-of-range
> results.
> * Tests added covering boundary/overflow cases.
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