GitHub user dbtsai opened a pull request:
https://github.com/apache/spark/pull/21235
[SPARK-24181][SQL] Better error message for writing sorted data
## What changes were proposed in this pull request?
The exception message should clearly distinguish sorting and bucketing in
`save` and `jdbc` write.
When a user tries to write a sorted data using save or insertInto, it will
throw an exception with message that `s"'$operation' does not support bucketing
right now""`.
We should throw `s"'$operation' does not support sorting right now""`
instead.
## How was this patch tested?
More tests in `DataFrameReaderWriterSuite.scala`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dbtsai/spark fixException
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21235.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 #21235
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commit 72efec10871ed15eb1bef8b208f9b08de1191456
Author: DB Tsai <d_tsai@...>
Date: 2018-04-27T18:53:29Z
The exception message should clearly distinguish sorting and bucketing in
save() and jdbc write
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