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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4105) Constant Folding and coalesce function with 3 parameters gives cannot plan exception
Date Tue, 17 Nov 2015 18:19:11 GMT
Rahul Challapalli created DRILL-4105:
----------------------------------------

             Summary: Constant Folding and coalesce function with 3 parameters gives cannot
plan exception
                 Key: DRILL-4105
                 URL: https://issues.apache.org/jira/browse/DRILL-4105
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
    Affects Versions: 1.3.0
            Reporter: Rahul Challapalli


git.commit.id.abbrev=447f8ba

The below query results in a cannot plan exception
{code}
select * from cp.`tpch/lineitem.parquet` d1, cp.`tpch/lineitem.parquet` d2 where d1.l_comment
= coalesce(d2.l_comment, 'asdf', d2.l_comment);
Error: UNSUPPORTED_OPERATION ERROR: This query cannot be planned possibly due to either a
cartesian join or an inequality join


[Error Id: d0b75ac0-6d39-4fb0-bc48-13e52fa4abf2 on qa-node190.qa.lab:31010] (state=,code=0)
{code}

However the query executes fine if I disabled constant folding.




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