[CALCITE-2886] Simplification of AND expressions should push negations earlier

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.19.0
• Labels: pull-request-available
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 01/Mar/19 15:21
• Updated: 25/Mar/19 00:11
• Resolved: 14/Mar/19 06:59

Description

• currently simplification decomposes the AND operands
• simplifies all operands
• runs main simplification
• (re) simplifies all operands which are negated

Idea is to make the recursion as a first step; which could also push negation further down; and skip the simplification at end completely - as its not connected to a structural change.

Issue Links

• links to: GitHub Pull Request #1084