[GitHub] [flink] flinkbot edited a comment on pull request #14872: [FLINK-21162] [Blink Planner]use "IF(col = '' OR col IS NULL, 'a', 'b')",when co…

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flinkbot edited a comment on pull request #14872:
URL: https://github.com/apache/flink/pull/14872#issuecomment-773303946


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   ## CI report:
   
   * f6390443428d1f56a41251ffa412bf8eab820d86 Azure: 
[FAILURE](https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=12967)
 
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