GitHub user zhichao-li opened a pull request:
https://github.com/apache/spark/pull/10753
[SPARK-12820]Resolve db.table.column
Currently spark only support to specify col name like: `table.col`, or
`col` in projection, but it's very common that user use `db.table.col`
especially when join table across database.
Hive doesn't support this for now but it has been used in lot of other
traditional db like mysql.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhichao-li/spark dbname
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10753.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 #10753
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commit 1cafed7137bdcb62cce9e4f4452fbda099deaaba
Author: zhichao.li <[email protected]>
Date: 2016-01-14T04:50:12Z
resolve db.table.column
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