GitHub user vdiravka opened a pull request:
https://github.com/apache/drill/pull/1083
DRILL-4185: UNION ALL involving empty directory on any side of union â¦
â¦all results in Failed query
SchemaLessTable, SchemaLessScan, SchemaLessBatchCreator, SchemaLessBatch
classes are inroduced.
The main idea that empty directory is a Drill (SchemaLess) table.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vdiravka/drill DRILL-4185
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/1083.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 #1083
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commit 0aeb9ecc94a25fd19002ffdacdbfd86ec4a8a90f
Author: Vitalii Diravka <vitalii.diravka@...>
Date: 2017-12-01T20:48:05Z
DRILL-4185: UNION ALL involving empty directory on any side of union all
results in Failed query
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