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https://issues.apache.org/jira/browse/DRILL-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15050309#comment-15050309
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ASF GitHub Bot commented on DRILL-4182:
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GitHub user amithadke opened a pull request:
https://github.com/apache/drill/pull/297
DRILL-4182 TopN schema changes support.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/amithadke/drill topn-schemachanges
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/297.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #297
----
commit 0391b7dca8a6d8eb12cf7f835da7a920f5d3f7ab
Author: Amit Hadke <[email protected]>
Date: 2015-12-10T08:21:52Z
DRILL-4182 TopN schema changes support.
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> Support Schema changes for TopN Operator
> ----------------------------------------
>
> Key: DRILL-4182
> URL: https://issues.apache.org/jira/browse/DRILL-4182
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: amit hadke
> Assignee: amit hadke
>
> Support schema changes for top in (order by limit) operator.
> Cases:
> 1) Changes when schema type changes for order by field.
> 2) Schema changes for other fields
> 3) When field itself is a union type.
> 4) Missing field.
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