spark-instrumented-optimizer/python/docs/source/migration_guide/index.rst
HyukjinKwon d80c85c2e3 [SPARK-32191][FOLLOW-UP][PYTHON][DOCS] Indent the table and reword the main page in migration guide
### What changes were proposed in this pull request?

This PR is a minor followup to fix:

1. Slightly reword the wording in the main page.

2. The indentation in the table at the migration guide;

    from

    ![Screen Shot 2020-09-01 at 1 53 40 PM](https://user-images.githubusercontent.com/6477701/91796204-91781800-ec5a-11ea-9f57-d7a9f4207ba0.png)

    to

    ![Screen Shot 2020-09-01 at 1 53 26 PM](https://user-images.githubusercontent.com/6477701/91796202-9046eb00-ec5a-11ea-9db2-815139ddfdb9.png)

### Why are the changes needed?

In order to show the migration guide pretty.

### Does this PR introduce _any_ user-facing change?

Yes, this is a change to user-facing documentation.

### How was this patch tested?

Manually built the documentation.

Closes #29606 from HyukjinKwon/SPARK-32191.

Authored-by: HyukjinKwon <gurwls223@apache.org>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
2020-09-01 15:08:03 +09:00

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===============
Migration Guide
===============
This page describes the migration guide specific to PySpark.
Many items of other migration guides can also be applied when migrating PySpark to higher versions because PySpark internally shares other components.
Please also refer other migration guides such as `Migration Guide: SQL, Datasets and DataFrame <http://spark.apache.org/docs/latest/sql-migration-guide.html>`_.
.. toctree::
:maxdepth: 2
pyspark_2.4_to_3.0
pyspark_2.3_to_2.4
pyspark_2.3.0_to_2.3.1_above
pyspark_2.2_to_2.3
pyspark_1.4_to_1.5
pyspark_1.0_1.2_to_1.3