GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/15797
correct several partition related behaviours of ExternalCatalog
## What changes were proposed in this pull request?
This PR corrects several partition related behaviors of `ExternalCatalog`:
1. default table location should not always lower case the table name in
path string(fix `HiveExternalCatalog`)
2. default partition location should not always lower case the partition
column names in path string(fix `HiveExternalCatalog`)
3. rename partition should not always lower case the partition column names
in updated partition path string(fix `HiveExternalCatalog`)
4. rename partition should update the partition location only for managed
table(fix `InMemoryCatalog`)
5. create partition with existing directory should be fine(fix
`InMemoryCatalog`)
6. create partition with non-existing directory should create that
directory(fix `InMemoryCatalog`)
7. drop partition from external table should not delete the directory(fix
`InMemoryCatalog`)
## How was this patch tested?
new tests in `ExternalCatalogSuite`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark partition
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15797.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 #15797
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commit e0e012c95878f4a9343ed76c6629d667bd2c0074
Author: Wenchen Fan <wenc...@databricks.com>
Date: 2016-11-07T15:44:55Z
correct several partition related behaviours of ExternalCatalog
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