[jira] [Created] (FLINK-22591) add sub interface MapColumnVector for ColumnVector

[Shang Yuanchun (Jira)]

Jun Zhang created FLINK-22591:
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             Summary: add sub interface MapColumnVector  for ColumnVector
                 Key: FLINK-22591
                 URL: https://issues.apache.org/jira/browse/FLINK-22591
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Task
    Affects Versions: 1.13.0
            Reporter: Jun Zhang
             Fix For: 1.14.0


For complex types, the org.apache.flink.table.data.vector.ColumnVector interface has two sub-interfaces: RowColumnVector and ArrayColumnVector, I think we should add another sub-interface : MapColumnVector




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