[jira] [Created] (FLINK-12972) Ensure calling open/close in join condition of generated functions for blink

[Shang Yuanchun (Jira)]

Jingsong Lee created FLINK-12972:
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             Summary: Ensure calling open/close in join condition of generated functions for blink
                 Key: FLINK-12972
                 URL: https://issues.apache.org/jira/browse/FLINK-12972
             Project: Flink
          Issue Type: New Feature
          Components: Table SQL / Planner
            Reporter: Jingsong Lee
            Assignee: Jingsong Lee


Generated functions' *open* method are not called in join operator. e.g. *AbstractStreamingJoinOperator*, *SortMergeJoinOperator*, *HashJoinOperator, LongHashJoinGenerator*.



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