[jira] [Created] (FLINK-31237) Fix possible bug of array_distinct

[jackylau (Jira)]

jackylau created FLINK-31237:
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             Summary: Fix possible bug of array_distinct
                 Key: FLINK-31237
                 URL: https://issues.apache.org/jira/browse/FLINK-31237
             Project: Flink
          Issue Type: Bug
    Affects Versions: 1.18.0
            Reporter: jackylau
             Fix For: 1.18.0


as talked here [https://github.com/apache/flink/pull/19623,] we should use 
builtin expressions/functions. because the sql semantic is different from  java 
equals



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