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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2258) IN operator on top of data with schema changes results in "Hash Join does not support schema changes"
Date Wed, 18 Feb 2015 00:05:13 GMT
Rahul Challapalli created DRILL-2258:
----------------------------------------

             Summary: IN operator on top of data with schema changes results in "Hash Join
does not support schema changes"
                 Key: DRILL-2258
                 URL: https://issues.apache.org/jira/browse/DRILL-2258
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
            Reporter: Rahul Challapalli
            Assignee: Jinfeng Ni


git.commit.id.abbrev=6676f2d

The data set contains multiple files with schema changes among them. By schema changes I refer
to adding/removing fields

The below query fails :
{code}
select * from `schema_changes` where 2 in (select flatten(lst_lst[0]) from `schema_changes`);
Query failed: Query stopped., Hash join does not support schema changes [ 4859e87a-74a6-49a0-aa62-1f0d2033b038
on qa-node190.qa.lab:31010 ]
{code}

However when I select explicit fields from the same data set there seems to be no issues.



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