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Posted to dev@calcite.apache.org by "Will Yu (JIRA)" <ji...@apache.org> on 2019/03/15 23:05:00 UTC

[jira] [Created] (CALCITE-2926) IN operator type validation failure

Will Yu created CALCITE-2926:
--------------------------------

             Summary: IN operator type validation failure
                 Key: CALCITE-2926
                 URL: https://issues.apache.org/jira/browse/CALCITE-2926
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.18.0
            Reporter: Will Yu


There are two columns in my table. Column A's type is VARCHAR while column B's type is VARCHAR ARRAY.

When validating the SQL call `A IN B` the validation failed. 

The root cause seems to be in checkTypes functions in SqlInOperator. 
 # Not sure whether UNORDERED comparator is a good candidate because IN operands should have order.
 # During being checked in the checker, `canConvertStringInCompare` will give a `false` when family is ARRAY and cause this failure. 



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