Update upstream#39

Merged

GulajavaMinistudio merged 8 commits intoGulajavaMinistudio:masterfrom

May 8, 2017

Commits on May 7, 2017

[SPARK-20557][SQL] Support JDBC data type Time with Time Zone
gatorsmile
committed
[SPARK-18777][PYTHON][SQL] Return UDF from udf.register

zero323
authored and
gatorsmile
committed
[SPARK-20518][CORE] Supplement the new blockidsuite unit tests

heary-cao
authored and
srowen
committed
[SPARK-20484][MLLIB] Add documentation to ALS code

danielyli
authored and
srowen
committed
[SPARK-7481][BUILD] Add spark-hadoop-cloud module to pull in object store access.

steveloughran
authored and
srowen
committed
[SPARK-20543][SPARKR][FOLLOWUP] Don't skip tests on AppVeyor

felixcheung
authored and
Felix Cheung
committed
[MINOR][SQL][DOCS] Improve unix_timestamp's scaladoc (and typo hunting)

jaceklaskowski
authored and
gatorsmile
committed
[SPARK-20550][SPARKR] R wrapper for Dataset.alias

zero323
authored and
Felix Cheung
committed