[DOC] Adjust coverage for partitionBy()

[ted-yu]

This is the related thread: http://search-hadoop.com/m/q3RTtO3ReeJ1iF02&subj=Re+partitioning+json+data+in+spark

Michael suggested fixing the doc.

Please review.

[JoshRosen]

1.5.x or 1.5+?

[SparkQA]

Test build #48373 has finished for PR 10499 at commit 7884e87.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[SparkQA]

Test build #48381 has finished for PR 10499 at commit f655bbe.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[marmbrus]

also "text"

[SparkQA]

Test build #48391 has finished for PR 10499 at commit dff3935.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[marmbrus]

And text, ORC, and avro

[SparkQA]

Test build #48443 has finished for PR 10499 at commit a021725.

• This patch fails from timeout after a configured wait of 250m.
• This patch merges cleanly.
• This patch adds no public classes.

[tedyu]

The test failure was not related to the patch.
Looks like HiveThriftBinaryServerSuite timed out:

[info] HiveThriftBinaryServerSuite:
[info] - GetInfo Thrift API (431 milliseconds)
[info] - JDBC query execution (9 seconds, 740 milliseconds)
[info] - Checks Hive version (1 second, 386 milliseconds)
[info] - SPARK-3004 regression: result set containing NULL (1 second, 685 milliseconds)
[info] - SPARK-4292 regression: result set iterator issue (5 seconds, 77 milliseconds)
[info] - SPARK-4309 regression: Date type support (1 second, 328 milliseconds)
[info] - SPARK-4407 regression: Complex type support (2 seconds, 165 milliseconds)
[info] - test multiple session (5 seconds, 857 milliseconds)
Attempting to post to Github...
 > Post successful.
Build step 'Execute shell' marked build as failure

[tedyu]

@marmbrus :
Is there anything I need to do ?

[tedyu]

@marmbrus
Gentle ping

[marmbrus]

Thanks, merged to master and 1.6