GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/15688
[SPARK-18173][SQL] data source tables should support truncating partition
## What changes were proposed in this pull request?
Previously `TRUNCATE TABLE ... PARTITION` will always truncate the whole
table for data source tables, this PR fixes it and improve `InMemoryCatalog` to
make this command work with it.
## How was this patch tested?
existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark truncate
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15688.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 #15688
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commit a9eec51500da4e6d8efd13542a165e371ba3d781
Author: Wenchen Fan <wenc...@databricks.com>
Date: 2016-10-30T17:28:36Z
data source tables should support truncating partition
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