GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/15054
[SPARK-17502] [SQL] Fix Multiple Bugs in DDL Statements on Temporary Views
[WIP]
### What changes were proposed in this pull request?
- When the permanent tables/views do not exist but the temporary view
exists, the expected error should be `NoSuchTableException` for
partition-related ALTER TABLE commands. However, it always reports a confusing
error message. For example,
```
Partition spec is invalid. The spec (a, b) must match the partition spec ()
defined in table '`testview`';
```
- When the permanent tables/views do not exist but the temporary view
exists, the expected error should be `NoSuchTableException` for `ALTER TABLE
... UNSET TBLPROPERTIES`. However, it reports a missing table property.
However, the expected error should be `NoSuchTableException`. For example,
```
Attempted to unset non-existent property 'p' in table '`testView`';
```
TODO: Trying to add more test cases for DDL processing over temporary
views.
### How was this patch tested?
Added multiple test cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark tempViewDDL
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15054.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 #15054
----
commit cc47c3eb07a7628faa4277dd87c2837d01c4f175
Author: gatorsmile <gatorsm...@gmail.com>
Date: 2016-09-12T06:08:17Z
fix
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