GitHub user wzhfy opened a pull request:
https://github.com/apache/spark/pull/14712
[SPARK-17072] [SQL] support table-level statistics generation and storing
into/loading from metastore
## What changes were proposed in this pull request?
1. support generation table-level statistics for "Analyze Table table
COMPUTE STATISTICS" command (without "noscan").
2. support storing these statistics into metastore and loading them from
metastore.
3. extend Statistics class by adding estimatedSize and rowCount.
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wzhfy/spark tableStats
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14712.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 #14712
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commit 4375e76c7ef4dd68e91f2bc5d5aa1cd31c4d3989
Author: wangzhenhua <[email protected]>
Date: 2016-08-19T06:17:44Z
support table-level statistics
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