Method insertPosting

posting/list.go:354–401

insertPosting inserts a new posting in the mutable layers. It updates the currentUids map.

(mpost *pb.Posting, hasCountIndex bool)

// insertPosting inserts a new posting in the mutable layers. It updates the currentUids map.
func (mm *MutableLayer) insertPosting(mpost *pb.Posting, hasCountIndex bool) {
	if mm.readTs != 0 {
		x.AssertTruef(mpost.StartTs == mm.readTs, "Diffrenent read ts and start ts found %d %d", mpost.StartTs, mm.readTs)
	}

	mm.readTs = mpost.StartTs

	if hasDeleteAll(mpost) {
		if mpost.CommitTs > mm.deleteAllMarker {
			mm.deleteAllMarker = mpost.CommitTs
		}
	}

	if mpost.Uid != 0 {
		// If hasCountIndex, in that case while inserting uids, if there's a delete, we only delete from the
		// current entries, we dont' insert the delete posting. If we insert the delete posting, there won't be
		// any set posting in the list. This would mess up the count. We can do this for all types, however,
		// there might be a performance hit becasue of it.
		mm.populateUidMap(mm.currentEntries)
		if postIndex, ok := mm.currentUids[mpost.Uid]; ok {
			if hasCountIndex && mpost.Op == Del {
				// If the posting was there before, just remove it from the map, and then remove it
				// from the array.
				post := mm.currentEntries.Postings[postIndex]
				if post.Op == Del {
					// No need to do anything
					mm.currentEntries.Postings[postIndex] = mpost
					return
				}
				res := mm.currentEntries.Postings[:postIndex]
				if postIndex+1 <= len(mm.currentEntries.Postings) {
					res = append(res,
						mm.currentEntries.Postings[(postIndex+1):]...)
				}
				mm.currentUids = nil
				mm.currentEntries.Postings = res
				return
			}
			mm.currentEntries.Postings[postIndex] = mpost
		} else {
			mm.currentEntries.Postings = append(mm.currentEntries.Postings, mpost)
			mm.currentUids[mpost.Uid] = len(mm.currentEntries.Postings) - 1
		}
		return
	}

	mm.currentEntries.Postings = append(mm.currentEntries.Postings, mpost)
}

func (mm *MutableLayer) print() string {
	if mm == nil {