GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/2884
[Spark-4041][SQL]attributes names in table scan should converted to
lowercase when compare with relation attributes
In ```MetastoreRelation``` the attributes name is lowercase because of hive
using lowercase for fields name, so we should convert attributes name in table
scan lowercase in ```indexWhere(_.name == a.name)```.
```neededColumnIDs``` may be not correct if not convert to lowercase.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/scwf/spark fixColumnIds
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2884.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 #2884
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commit 294fcb772594fb563d9a32e19b0073219120b2b1
Author: scwf <wangf...@huawei.com>
Date: 2014-10-21T21:01:18Z
attributes names in table scan should convert lowercase in neededColumnsIDs
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