GitHub user seancxmao opened a pull request:
https://github.com/apache/spark/pull/22262
[SPARK-25175][SQL] Field resolution should fail if there is ambiguity for
ORC native reader
## What changes were proposed in this pull request?
This PR aims to make ORC data source native implementation consistent with
Parquet data source. The gap is that field resolution should fail if there is
ambiguity in case-insensitive mode when reading from ORC.
See #22148 for more details about parquet data source reader.
## How was this patch tested?
Unit tests added.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/seancxmao/spark SPARK-25175
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22262.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 #22262
----
commit 366bb35ad62edb8e6707e65c681a5b9001cc868e
Author: seancxmao <seancxmao@...>
Date: 2018-08-17T10:06:28Z
[SPARK-25175][SQL] Field resolution should fail if there's ambiguity for
ORC native reader
----
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
