GitHub user rberenguel opened a pull request:
https://github.com/apache/spark/pull/17100
[SPARK-13947][PYTHON] PySpark DataFrames: The error message from using an
invalid table reference is not clear
## What changes were proposed in this pull request?
Rewritten error message for clarity. Added extra information in case of
attribute name collision, hinting the user to double-check referencing two
different tables
## How was this patch tested?
No functional changes, only final message has changed. It has been tested
manually against the situation proposed in the JIRA ticket. Automated tests in
repository pass.
This PR is original work from me and I license this work to the Spark
project
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rberenguel/spark SPARK-13947-error-message
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17100.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 #17100
----
commit 981224bd9631a0ac633b6967e639197794894fcf
Author: Ruben Berenguel Montoro <[email protected]>
Date: 2017-02-28T13:40:47Z
SPARK-13947 Rewritten error message for clarity. Added extra information in
case of attribute name collision
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