[GitHub] spark pull request #23170: [SPARK-24423][FOLLOW-UP][SQL] Fix error example

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/spark/pull/23170


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[GitHub] spark pull request #23170: [SPARK-24423][FOLLOW-UP][SQL] Fix error example

[wangyum]

GitHub user wangyum opened a pull request:

https://github.com/apache/spark/pull/23170

[SPARK-24423][FOLLOW-UP][SQL] Fix error example

## What changes were proposed in this pull request?

![image](https://user-images.githubusercontent.com/5399861/49172173-42ad9800-f37b-11e8-8135-7adc323357ae.png)
It will throw:
```
requirement failed: When reading JDBC data sources, users need to specify 
all or none for the following options: 'partitionColumn', 'lowerBound', 
'upperBound', and 'numPartitions'
```
and 
```
User-defined partition column subq.c1 not found in the JDBC relation ...
```

This PR fix this error example.

## How was this patch tested?

manual tests


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/wangyum/spark SPARK-24499

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/23170.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 #23170


commit e2d8229614ed232d1089c304cbc4bdb88292d213
Author: Yuming Wang 
Date:   2018-11-28T17:59:23Z

Fix error example




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