GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/6458
[SPARK-7915] [SQL] Support specifying the column list for target table in
CTAS
```
create table t1 (a int, b string) as select key, value from src;
desc t1;
key int NULL
value string NULL
```
Thus Hive doesn't support specifying the column list for target table in
CTAS, however, we should either throwing exception explicity, or supporting the
this feature, we just pick up the later one, which seems useful and
straightforward.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark ctas_column
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6458.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 #6458
----
commit afd18dd8e4cb1139aa9c6e34382ae69f50786f36
Author: Cheng Hao <[email protected]>
Date: 2015-05-28T15:12:19Z
support specifying the column list for target table in CTAS
commit 9732d862d62ef120d9adadd9d83d501d61827170
Author: Cheng Hao <[email protected]>
Date: 2015-05-28T15:20:34Z
fix bug in unit test
----
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