[GitHub] spark pull request #19596: [SPARK-22369][PYTHON][DOCS] Exposes catalog API d...

[HyukjinKwon]

GitHub user HyukjinKwon opened a pull request:

    https://github.com/apache/spark/pull/19596

    [SPARK-22369][PYTHON][DOCS] Exposes catalog API documentation in PySpark

    ## What changes were proposed in this pull request?
    
    This PR proposes to add a link from `spark.catalog(..)` to `Catalog` and 
expose Catalog APIs in PySpark as below:
    
    <img width="740" alt="2017-10-29 12 25 46" 
src="https://user-images.githubusercontent.com/6477701/32135863-f8e9b040-bc40-11e7-92ad-09c8043a1295.png";>
    
    
    <img width="1131" alt="2017-10-29 12 26 33" 
src="https://user-images.githubusercontent.com/6477701/32135849-bb257b86-bc40-11e7-9eda-4d58fc1301c2.png";>
    
    Note that this is not shown in the list on the top - 
https://spark.apache.org/docs/latest/api/python/pyspark.sql.html#module-pyspark.sql
    
    <img width="674" alt="2017-10-29 12 30 58" 
src="https://user-images.githubusercontent.com/6477701/32135854-d50fab16-bc40-11e7-9181-812c56fd22f5.png";>
    
    This is basically similar with `DataFrameReader` and `DataFrameWriter`.
    
    
    ## How was this patch tested?
    
    Manually built the doc.

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

    $ git pull https://github.com/HyukjinKwon/spark SPARK-22369

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

    https://github.com/apache/spark/pull/19596.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 #19596
    
----
commit 82fe78bd6f16fabcc82e0020e0d1b77bc3b5a18f
Author: hyukjinkwon <gurwls...@gmail.com>
Date:   2017-10-28T15:31:14Z

    Expose catalog API documentation in PySpark

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