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https://issues.apache.org/jira/browse/FLINK-22983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17364181#comment-17364181
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Maciej Bryński commented on FLINK-22983:
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PS. Lazy evaluation is working for Java UDF so I'm changing issue title.
> Support lazy evaluation in Flink SQL
> ------------------------------------
>
> Key: FLINK-22983
> URL: https://issues.apache.org/jira/browse/FLINK-22983
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.13.1
> Reporter: Maciej Bryński
> Priority: Major
>
> Currently when there is logical condition in Flink SQL we're calculating all
> arguments.
> Example:
> {code:java}
> SELECT n > 0 AND n > 100 {code}
> This will trigger both checks even when n > 0.
> Same for AND
> {code:java}
> SELECT n > 0 AND n > 100 {code}
> will trigger n > 100 check for n <= 0
>
> I think we should support lazy condition evaluation.
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