[HIVE-7464] CBO:Add rule for Join Simplification

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Assignee: Laljo John Pullokkaran
• Reporter: Laljo John Pullokkaran
• Created: 21/Jul/14 19:01
• Updated: 30/Aug/14 00:17
• Resolved: 30/Aug/14 00:17

Description

Fil (R1.x=r2.x) <- Cross Join can be translated to
Inner Join.

Similarly Filter followed by Outer joins can be used to translate outer joins to inner joins.