GitHub user anubhav100 opened a pull request:
https://github.com/apache/carbondata/pull/1257
[CARBONDATA-1347] Implemented Columnar Reading Of Data For Presto
This Pr Include Following Features :
- implemented columanr based iterator and executor for reading columns
instead of rows
- create a new improved dictionarydecoder with scala
-added the lazy blocks
- added the stream readers in presto
- removed the redundant execution of parsing filters using map
-removed the useless code and redudant intilizations
-fixed the following bugs
- Wrong values of decimal types in tpch queries
- class cast exception in intermediate file merger
- refactor the carbon data comprator
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/anubhav100/incubator-carbondata
feature/CARBONDATA-1347
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/1257.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 #1257
----
commit 8ebe591a19fe40e438cfc35fcd91a9b4d1ba8552
Author: anubhav100 <[email protected]>
Date: 2017-08-10T09:42:22Z
wip for implemented columnar reading of data for presto
commit e50ef7e1e4f0ca215ed9f6b0b6095fb6d037e5e6
Author: anubhav100 <[email protected]>
Date: 2017-08-14T09:31:58Z
corrected the decimal type
commit b5ce0fe7b56b27750b6d0392eff710331a2fedb4
Author: anubhav100 <[email protected]>
Date: 2017-08-14T13:05:37Z
resolved minor bugs in core
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
