[SPARK-2327] Fix nullabilities of Join/Generate/Aggregate.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.2, 1.1.0
• Component/s: SQL
• Assignee: Takuya Ueshin
• Reporter: Takuya Ueshin
• Created: 30/Jun/14 09:29
• Updated: 05/Jul/14 18:55
• Resolved: 05/Jul/14 18:55

Description

Fix nullabilities of Join/Generate/Aggregate because:

• Output attributes of opposite side of OuterJoin should be nullable.
• Output attributes of generater side of Generate should be nullable if join is true and outer is true.
• AttributeReference of computedAggregates of Aggregate should be the same as aggregateExpression's.

Issue Links

• requires: SPARK-2328 Add execution of `SHOW TABLES` before `TestHive.reset()`.