GitHub user sandeep-katta opened a pull request:
https://github.com/apache/carbondata/pull/2492
[CARBONDATA-2733]should support scalar sub query for partition tables
1)Multiple Projection in plan are supported
2)Scalar sub queries are supported for Carbon Tables
## What changes were proposed in this pull request?
In this PR carbon tables will support scalar sub queries for Carbon Tables.
If multiple projections are present in the plan,carbon should support it
Highlights:
In CarbonLateDecodeStrategy need to filter the queries which does not
support sub-queries
In CarbonLateDecodeStrategy if one of the projection of the plan is
failed,catch the exception and
continue
## How was this patch tested?
UT Code
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sandeep-katta/carbondata sparkSupport
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2492.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 #2492
commit 8ea495718064ae5aa948dc088d939c66b5039297
Author: sandeep-katta
Date: 2018-07-11T13:50:19Z
[CARBONDATA-2733]Carbon should support scalar sub query for partition tables
1)Multiple Projection in plan are supported
2)Scalar sub queries are supported for Carbon Tables
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