GitHub user windpiger opened a pull request:
https://github.com/apache/spark/pull/17272
[SPARK-19724][SQL]create a managed table with an existed default table
should throw an exception
## What changes were proposed in this pull request?
This JIRA is a follow up work after
[SPARK-19583](https://issues.apache.org/jira/browse/SPARK-19583)
As we discussed in that [PR](https://github.com/apache/spark/pull/16938)
The following DDL for a managed table with an existed default location
should throw an exception:
```
CREATE TABLE ... (PARTITIONED BY ...) AS SELECT ...
CREATE TABLE ... (PARTITIONED BY ...)
```
Currently there are some situations which are not consist with above logic:
1. CREATE TABLE ... (PARTITIONED BY ...) succeed with an existed default
location
situation: for both hive/datasource(with
HiveExternalCatalog/InMemoryCatalog)
2. CREATE TABLE ... (PARTITIONED BY ...) AS SELECT ...
situation: hive table succeed with an existed default location
This PR is going to make above two situations consist with the logic that
it should throw an exception
with an existed default location.
## How was this patch tested?
unit test added
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/windpiger/spark managedTableLocationExists
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17272.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 #17272
----
commit a0ba4190a96e2698e9c485b0ccbb7298a360f1dd
Author: windpiger <song...@outlook.com>
Date: 2017-03-13T07:24:18Z
[SPARK-19724][SQL]create a managed table with an existed default table path
should throw an exception
----
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