[jira] [Created] (FLINK-19395) Replace SqlConversionException with either TableException or ValidationException

[Shang Yuanchun (Jira)]

Timo Walther created FLINK-19395:
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             Summary: Replace SqlConversionException with either TableException or ValidationException
                 Key: FLINK-19395
                 URL: https://issues.apache.org/jira/browse/FLINK-19395
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Legacy Planner, Table SQL / Planner
            Reporter: Timo Walther


We should avoid creating too many different exceptions without reason. `SqlConversionException` is not necessary and can be replaced by the two commonly used exceptions for TableException or ValidationException. Currently, we throw all three in `SqlToOperation` converters.



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