[TAJO-1009] A binary eval for column references of the same tables should not be recognized as a join condition

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: Planner/Optimizer
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 18/Aug/14 02:16
• Updated: 18/Aug/14 10:11
• Resolved: 18/Aug/14 09:53

Description

See the following example:

SELECT a,b,c from table1 where table1.a > table1.b;

EvalTreeUtil.isJoinQual recognizes the above predicate as a join qual. It's wrong.