[jira] [Created] (FLINK-21463) Refactor client parser

[Shang Yuanchun (Jira)]

Shengkai Fang created FLINK-21463:
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             Summary: Refactor client parser
                 Key: FLINK-21463
                 URL: https://issues.apache.org/jira/browse/FLINK-21463
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Client
    Affects Versions: 1.13.0
            Reporter: Shengkai Fang
             Fix For: 1.13.0


Merge regex parser and calcite parser into one parser. It will first use regex to match simple commands, e.g. SET Commands. If the regex doesn't find any avaliable commands, the statement will be delegated to the underlying Calcite parser. In this way, we can use tableEnv.executeOperation to execute parsed operation.



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