GitHub user manishgupta88 opened a pull request:
https://github.com/apache/incubator-carbondata/pull/683
[CARBONDATA-803] Incorrect results returned by not equal to filter on
dictionary column with numeric data type
Problem: Whenever a not equal to filter is applied on dictionary column
with numeric datatype, the cast added by spark plan is removed while creating
carbon filters from spark filter. Due to this plan modification incorrect
results are returned by spark.
Fix: Do not remove the cast operation so that spark layer processes the
data and gives back the correct results.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/manishgupta88/incubator-carbondata
spark_plan_cast_issue
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-carbondata/pull/683.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 #683
----
commit fa7ed65656c83dd9c0cf777efce0918715f921f5
Author: manishgupta88 <tomanishgupt...@gmail.com>
Date: 2017-03-21T17:45:43Z
Whenever a not equal to filter is applied on dictionary column with numeric
datatype, the cast added by spark plan is removed while creating carbon filters
from spark filter. Due to this plan modification incorrect results are returned
by spark.
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