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https://issues.apache.org/jira/browse/FLINK-33541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17789405#comment-17789405
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Benchao Li commented on FLINK-33541:
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It's clear now~
> RAND_INTEGER can't be existed in a IF statement
> ------------------------------------------------
>
> Key: FLINK-33541
> URL: https://issues.apache.org/jira/browse/FLINK-33541
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.17.0, 1.18.0
> Reporter: Guojun Li
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2023-11-24-13-31-21-209.png
>
>
> The minimum produce steps:
> Flink SQL> select if(1=1, rand_integer(100), 0);
> [ERROR] Could not execute SQL statement. Reason:
> java.lang.Exception: Unsupported operand types: IF(boolean, INT, INT NOT NULL)
>
> But we do not see the exception reported in 1.14, not sure which version this
> bug was introduced.
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