[jira] [Created] (FLINK-22896) Flink sql supports parallelism at the operator level

[Shang Yuanchun (Jira)]

Fangliang Liu created FLINK-22896:
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             Summary: Flink sql supports parallelism at the operator level
                 Key: FLINK-22896
                 URL: https://issues.apache.org/jira/browse/FLINK-22896
             Project: Flink
          Issue Type: New Feature
          Components: Table SQL / Runtime
            Reporter: Fangliang Liu


Now DataStream API supports setting parallelism for operators through setParallelism(),

But Table API&SQL can only use global parallelism. 

We should let the Table API&SQL also have the ability to set the appropriate degree of parallelism for each operator on the generated execution graph.

CC [~becket_qin],[~jark],Looking forward to your reply, Thanks.



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