[jira] [Created] (CALCITE-1689) Remove PATTERN_DEFINE_AS in SqlStdOperatorTable for match_recognize

[Zhiqiang He (JIRA)]

Zhiqiang He created CALCITE-1689:
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             Summary: Remove PATTERN_DEFINE_AS in SqlStdOperatorTable for 
match_recognize
                 Key: CALCITE-1689
                 URL: https://issues.apache.org/jira/browse/CALCITE-1689
             Project: Calcite
          Issue Type: Improvement
            Reporter: Zhiqiang He
            Assignee: Zhiqiang He
            Priority: Minor


PATTERN_DEFINE_AS  is only used to swap alias and expression for parser, it can 
be replaced when unparser.



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