GitHub user chunhui-shi opened a pull request:
https://github.com/apache/drill/pull/546
DRILL-4783: flatten operator should not throw exception if there is empty
resultset
returned for underlying operator which is convert_from or other complex
functions.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chunhui-shi/drill DRILL-4783-flatten
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/546.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 #546
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commit 88dc26dfeb7f47ded0bfdc4c7f89e6bc55520344
Author: chunhui-shi <[email protected]>
Date: 2016-07-16T07:18:33Z
DRILL-4783: flatten operator handle empty resultset(and schema unknown due
to this)
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