Q&A for ebook publishers and readers
with CandidateEdits as ( select ph.Id as EditId, ph.RevisionGUID as EditGUID, ph.PostId EditPost, ph.CreationDate as EditDate from PostHistory as ph inner join Posts as p on ph.PostId = p.Id and OwnerUserId != UserId where UserId = ##UserId:int## and PostHistoryTypeId in (4,5) --Title/Body edits. and PostId = 21539 ) select ce.*, ph.* from CandidateEdits as ce Left Outer Join PostHistory as ph on EditPost = ph.PostId and CreationDate between DateAdd(mm, -6, EditDate) and EditDate and Id < EditId and RevisionGUID != EditGUID