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Posted to issues@calcite.apache.org by "TJ Banghart (Jira)" <ji...@apache.org> on 2022/10/26 23:19:00 UTC

[jira] [Created] (CALCITE-5349) RelJson should support non-standard operators

TJ Banghart created CALCITE-5349:
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             Summary: RelJson should support non-standard operators
                 Key: CALCITE-5349
                 URL: https://issues.apache.org/jira/browse/CALCITE-5349
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: TJ Banghart
            Assignee: TJ Banghart


I am attempting to deserialize {{RexNodes}} that contain non-standard operators but {{RexJson#toOp}} only considers operators found in {{{}SqlStdOperatorTable{}}}: [https://github.com/apache/calcite/blob/c945b7f49b99538748c871557f6ac80957be2b6e/core/src/main/java/org/apache/calcite/rel/externalize/RelJson.java#L780]

For example, attempting to deserialize a JSON RexCall that includes the BigQuery only `DATE_FROM_UNIX_DATE` operator raises {{CalciteException: No operator for 'DATE_FROM_UNIX_DATE' with kind: 'OTHER_FUNCTION', syntax: 'FUNCTION' during JSON deserialization}}

Unless I am missing something, I don't believe the operator lookup is configurable nor overridable.



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