[jira] [Created] (FLINK-13582) Improve the implementation of LISTAGG in Blink planner to remove delimiter from state

[Shang Yuanchun (Jira)]

Jing Zhang created FLINK-13582:
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             Summary: Improve the implementation of LISTAGG in Blink planner to remove delimiter from state
                 Key: FLINK-13582
                 URL: https://issues.apache.org/jira/browse/FLINK-13582
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
    Affects Versions: 1.10.0
            Reporter: Jing Zhang


The implementation of LISTAGG save delimiter as a part of state, which is not necessary, because delimiter is constant character.



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