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Posted to issues@calcite.apache.org by "Chris Baynes (JIRA)" <ji...@apache.org> on 2017/06/02 09:25:04 UTC

[jira] [Created] (CALCITE-1826) Jdbc dialect specific FLOOR fails when in GROUP BY

Chris Baynes created CALCITE-1826:
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             Summary: Jdbc dialect specific FLOOR fails when in GROUP BY
                 Key: CALCITE-1826
                 URL: https://issues.apache.org/jira/browse/CALCITE-1826
             Project: Calcite
          Issue Type: Bug
          Components: jdbc-adapter
            Reporter: Chris Baynes
            Assignee: Julian Hyde


Currently the SqlFloorFunction sometimes modifies the operands in a SqlCall (i.e. replaceTimeUnitOperand). This is fine if the floor is only used in a project, but when used again in an aggregate this modification will change the aggregate, which will break the unparsing of it there.

This can be reproduced by adding a "group by" to the RelToSqlConverterTest#testFloor.

SqlBasicCall#clone is a shallow clone so cannot be used to fix the problem (since the underlying operands are not cloned).



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