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Takuya UESHIN c9c89c31b6 [SPARK-2965][SQL] Fix HashOuterJoin output nullabilities. 
Output attributes of opposite side of `OuterJoin` should be nullable.

Author: Takuya UESHIN <ueshin@happy-camper.st>

Closes #1887 from ueshin/issues/SPARK-2965 and squashes the following commits:

bcb2d37 [Takuya UESHIN] Fix HashOuterJoin output nullabilities.
2014-08-11 20:15:01 -07:00
..
java/org/apache/spark/sql/api/java [SPARK-2097][SQL] UDF Support 2014-08-02 16:33:48 -07:00
scala/org/apache/spark/sql [SPARK-2965][SQL] Fix HashOuterJoin output nullabilities. 2014-08-11 20:15:01 -07:00