[jira] [Created] (FLINK-13353) wrong definition of Replace planner expression

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[jira] [Created] (FLINK-13353) wrong definition of Replace planner expression

Shang Yuanchun (Jira)
Louis Xu created FLINK-13353:
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             Summary: wrong definition of Replace planner expression
                 Key: FLINK-13353
                 URL: https://issues.apache.org/jira/browse/FLINK-13353
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
    Affects Versions: 1.9.0, 1.10.0
            Reporter: Louis Xu
             Fix For: 1.10.0


Replace definition in stringExpression.scala has another constructor with 2 arguments.

According to source code, the args' meaning are str, begin. And it call other constructor with 3 args adding the 3rd arg which is the length of str.

But its expectTypes is (String, String, String), but actually is (String, int, int).

So I think the 2 args defined constructor means search and replacement is "" default, not begin and length of str. 



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