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https://issues.apache.org/jira/browse/FLINK-7271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336721#comment-17336721
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Flink Jira Bot commented on FLINK-7271:
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This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> ExpressionReducer does not optimize string-to-time conversion
> -------------------------------------------------------------
>
> Key: FLINK-7271
> URL: https://issues.apache.org/jira/browse/FLINK-7271
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Affects Versions: 1.3.1
> Reporter: Timo Walther
> Priority: Major
> Labels: stale-major
>
> Expressions like {{"1996-11-10".toDate}} or {{"1996-11-10
> 12:12:12".toTimestamp}} are not recognized by the ExpressionReducer and are
> evaluated during runtime instead of pre-flight phase. In order to optimize
> the runtime we should allow constant expression reduction here.
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