.

wcfs/δbtail.go

@@ -96,7 +96,7 @@ type ΔBtail struct {
 	// XXX vvv keys keys ∈ tracket -> keys ∈ kadj[tracket] ?
 //	δRtail []ΔRoots // which BTree were changed; Noted only by keys ∈ tracket subset
 //	byRoot map[*Tree]*ΔTtail // root -> k/v change history; only for keys ∈ tracket subset
-	byRoot map[zodb.Oid]*ΔTtail // root -> k/v change history; only for keys ∈ tracket subset
+	byRoot map[zodb.Oid]*ΔTtail // {} root -> [] k/v change history; only for keys ∈ tracket subset
 
 	// XXX or ask client to provide db on every call?
 	db     *zodb.DB    // to open connections to load new/old tree|buckets
@@ -138,6 +138,7 @@ type ΔTtail struct {
 }
 
 // ΔTree describes changes to one BTree in one revision.
+// XXX -> ΔT ?
 type ΔTree struct {
 	Rev  zodb.Tid
 	KV   map[Key]Value