GitHub user QiangCai opened a pull request:
https://github.com/apache/carbondata/pull/902
[CARBONDATA-938][WIP] Prune partitions for query based on partition column
(12-dev)
1. generate filter base on partition
2. apply partition filter to get the index list of required partition (use
BitSet)
3. use partition map to skip some non-required splits.
4. add query test case
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/QiangCai/incubator-carbondata prunepartition
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/902.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 #902
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commit cc0a51794008c4252c0e1c93cb86ff6ed9368da4
Author: QiangCai <qiang...@qq.com>
Date: 2017-05-08T15:20:13Z
create table with partition
commit 0b78cf16f6420312c36d1d7b5e138559f86f06a8
Author: QiangCai <qiang...@qq.com>
Date: 2017-04-24T03:28:28Z
load data for partition table
commit 5ecc4f9bec5738083bccb48bc510c8f19d21a43e
Author: QiangCai <qiang...@qq.com>
Date: 2017-05-04T03:26:05Z
prunepartition
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