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From "Mehant Baid (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-1663) Implicit cast to variable width type does not work in join conditions
Date Fri, 07 Nov 2014 21:40:34 GMT
Mehant Baid created DRILL-1663:
----------------------------------

             Summary: Implicit cast to variable width type does not work in join conditions
                 Key: DRILL-1663
                 URL: https://issues.apache.org/jira/browse/DRILL-1663
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Mehant Baid
            Assignee: Mehant Baid
            Priority: Minor


Currently if the two sides of a join condition are of different types then we implicitly add
a cast on one side so that the join condition works as expected. However when we apply a cast
to variable width type (varchar or varbinary) we don't include the length parameter as part
of the arguments. This causes the function resolver to not match against any function implementation
and return a NULL expression. 



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