[GitHub] carbondata pull request #1514: [CARBONDATA-1746] Count star optimization

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/carbondata/pull/1514


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[GitHub] carbondata pull request #1514: [CARBONDATA-1746] Count star optimization

[jackylk]

GitHub user jackylk opened a pull request:

https://github.com/apache/carbondata/pull/1514

[CARBONDATA-1746] Count star optimization

Since carbon records number of row in metadata, count star query can 
leverage it to improve performance.

 - [X] Any interfaces changed?
 No
 - [X] Any backward compatibility impacted?
 No
 - [X] Document update required?
No
 - [X] Testing done
 No testcase added
 - [X] For large changes, please consider breaking it into sub-tasks under 
an umbrella JIRA. 
MR38

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/jackylk/incubator-carbondata count_star

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/carbondata/pull/1514.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 #1514


commit 09ff30688fe84c199fb86b92b9547c859e05a75c
Author: Jacky Li 
Date:   2017-11-16T09:27:21Z

add s3 in filefactory

commit 8d31b0974071bb7cd8ad72aa58990b9f2621b8a1
Author: Jacky Li 
Date:   2017-11-16T11:41:19Z

remove unnecessary path

commit 5a7008e0691daff9bad3c8bf707d0592500a1f24
Author: Jacky Li 
Date:   2017-11-16T12:56:55Z

clean CarbonEnv

commit aeee0e5f7df61f1add1dca30be0722aab0a8d2dd
Author: Jacky Li 
Date:   2017-11-16T13:23:22Z

remove AKSK in log

commit fc3cf73e7d13212faa9ca4502d09c637c57ff970
Author: Jacky Li 
Date:   2017-11-16T13:57:54Z

change default metastore path

commit 7a4c77526b97b6cc5e9bd286dd3701f4d1ba86c5
Author: Jacky Li 
Date:   2017-11-16T14:57:07Z

fix testcase

commit 90b1841200c1086a2567e54787750b970208ed13
Author: Jacky Li 
Date:   2017-11-16T14:53:02Z

add count star optimization




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