[IMPALA-7029] LHS of a between expr is not cloned when rewritten into LHS >= x and LHS <= y

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Not A Bug
• Affects Version/s: Impala 3.1.0
• Component/s: Frontend
• Epic Color: ghx-label-6
• Assignee: Unassigned
• Reporter: Tianyi Wang
• Created: 15/May/18 00:09
• Updated: 18/May/18 00:08
• Resolved: 18/May/18 00:08

Description

When a between predicates is rewritten into two comparing exprs, the LHS obviously should be cloned but it's not:

https://github.com/apache/impala/blob/19bcc3099ef5e244fe74a0466b0b0eeb673acc8e/fe/src/main/java/org/apache/impala/rewrite/BetweenToCompoundRule.java#L46