Commitfest 2020-09

Text	Status	Target version	Author	Reviewer
						Clear

Status summary: Needs review: 141. Waiting on Author: 26. Ready for Committer: 13. Committed: 7. Withdrawn: 1. Total: 188.

	Status	Ver	Author	Reviewers	Committer	Num cfs	Latest activity	Latest mail
Bug Fixes
Detect the null type correctly in setop case by peeking the later exprs.	Withdrawn	14				1	2020-07-23 03:32	2020-07-26 09:41