GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/15812
[SPARK-18360][SQL] warehouse path config should work for data source tables
## What changes were proposed in this pull request?
The current semantic of the warehouse config:
1. it's a session-scoped runtime config, which means you can create
database with warehouse path A, then we can change warehouse path to B, and
create another database with path B.
2. Once a database is created, its location won't change even the warehouse
path config is changed.
3. default database is a special case, although its location is fixed, but
the locations of tables created in it are not. If a Spark app starts with
warehouse path B(while the location of default database is A), then users
create a table `tbl` in default database, its location will be `B/tbl` instead
of `A/tbl`. If uses change the warehouse path config to C, and create another
table `tbl2`, its location will still be `B/tbl2` instead of `C/tbl2`.
This PR fixes rule 3 for data source tables.
## How was this patch tested?
HiveSparkSubmitSuite
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark default-db
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15812.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 #15812
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commit fa61496cd570f980514b9dac8d262a29258590ba
Author: Wenchen Fan <[email protected]>
Date: 2016-11-08T17:48:40Z
warehouse path config should work for data source tables
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