[jira] [Created] (FLINK-4550) Clearly define SQL operator table

[Shang Yuanchun (Jira)]

Timo Walther created FLINK-4550:
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             Summary: Clearly define SQL operator table
                 Key: FLINK-4550
                 URL: https://issues.apache.org/jira/browse/FLINK-4550
             Project: Flink
          Issue Type: Improvement
          Components: Table API & SQL
            Reporter: Timo Walther


Currently, we use {{SqlStdOperatorTable.instance()}} for setting all supported operations. However, not all of them are actually supported. {{FunctionCatalog}} should only return those operators that are tested and documented.



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