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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/02/18 01:05:11 UTC
[jira] [Created] (DRILL-2258) IN operator on top of data with
schema changes results in "Hash Join does not support schema changes"
Rahul Challapalli created DRILL-2258:
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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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