GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/13011
[SPARK-15229][SQL] Make case sensitivity setting internal
## What changes were proposed in this pull request?
Our case sensitivity support is different from what ANSI SQL standards
support. Postgres' behavior is that if an identifier is quoted, then it is
treated as case sensitive, otherwise it is folded to lower case. We will likely
need to revisit this in the future and change our behavior. For now, the safest
change to do for Spark 2.0 is to make the case sensitive option internal and
recommend users from not turning it on, effectively making Spark always case
insensitive.
## How was this patch tested?
N/A - a small config documentation change.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-15229
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13011.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 #13011
----
commit c50fdf49519f093f7b146028b7b969c9965238d6
Author: Reynold Xin <[email protected]>
Date: 2016-05-09T18:53:26Z
[SPARK-15229][SQL] Make case sensitivity setting internal
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