Details
-
Bug
-
Status: Closed
-
Major
-
Resolution: Fixed
-
1.9.0
Description
Several builtin functions in Blink planner such as
DATE_FORMAT
declares
ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR), SqlTypeTransforms.TO_NULLABLE)
which should be
ReturnTypes.cascade(ReturnTypes.explicit(SqlTypeName.VARCHAR), SqlTypeTransforms.FORCE_NULLABLE)
instead.
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