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https://issues.apache.org/jira/browse/CARBONDATA-230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15474368#comment-15474368
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ASF GitHub Bot commented on CARBONDATA-230:
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GitHub user ashokblend opened a pull request:
https://github.com/apache/incubator-carbondata/pull/145
[CARBONDATA-230]Decoding for alias in case of join and subquery
Problem: When query has alias and subquery with join, decoder is not able
to decode
Analysis: In case of mentioned problem scenario, aliasMap is not getting
populated with its correct origin value.
Solution: Need to populate aliasmap with correct attribute
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ashokblend/incubator-carbondata dictdecoder
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-carbondata/pull/145.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 #145
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commit 7b281f7ae811dbd1c7392a4c99f3435e97dff3f9
Author: ashok.blend <ashok.bl...@gmail.com>
Date: 2016-09-02T07:08:32Z
Pushing down below functions to carbon
1.Filter pushdown
2.EquiJoin
3.COUNT(*)
commit 91eef1e45713a91eaee8a233e6f45dc50a8bca58
Author: ashok.blend <ashok.bl...@gmail.com>
Date: 2016-09-08T17:04:28Z
1.Changed alias decoder to get correct value
2.Changed logger to log datatype.
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> Decoding for alias in case of join and subquery
> ------------------------------------------------
>
> Key: CARBONDATA-230
> URL: https://issues.apache.org/jira/browse/CARBONDATA-230
> Project: CarbonData
> Issue Type: Bug
> Reporter: Ashok Kumar
> Priority: Minor
>
> When query has alias and subquery with join, decoder is not able to decode
> e.g
> select sample.'abc' as 'abc' from (select col as 'abc' from table) sample
> left join (select col1 as col_200 from table2 group by col1)
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