.

wcfs/internal/zdata/δftail.go

@@ -535,7 +535,7 @@ func (δftail *_ΔFileTail) forgetPast(revCut zodb.Tid) {
 //
 // Note: contrary to regular go slicing, low is exclusive while high is inclusive.
 func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*readonly*/[]*ΔFile {
-	//fmt.Printf("\nslice f<%s> (@%s,@%s]\n", zfile.POid(), lo, hi)
+	fmt.Printf("\nslice f<%s> (@%s,@%s]\n", zfile.POid(), lo, hi)
 	xtail.AssertSlice(δFtail, lo, hi)
 
 	// XXX locking
@@ -635,6 +635,7 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 				Zinblk[zblk] = inblk.Clone()
 			}
 		}
+		fmt.Printf("Zinblk: %v\n", Zinblk)
 
 		// vδT for current epoch
 		vδT := δFtail.δBtail.SliceByRootRev(root, epoch, head) // NOTE @head, not hi
@@ -652,7 +653,7 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 			if iz >= 0 && vδZ[iz].Rev > epoch {
 				δZ := vδZ[iz]
 				if ZinblkAt <= δZ.Rev {
-					//fmt.Printf("δZ @%s\n", δZ.Rev)
+					fmt.Printf("δZ @%s\n", δZ.Rev)
 					for _, oid := range δZ.Changev {
 						inblk, ok := Zinblk[oid]
 						if ok && len(inblk) != 0 {
@@ -668,7 +669,7 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 			// δT -> adjust Zinblk + update δf
 			if it >= 0 {
 				δT := vδT[it]
-				//fmt.Printf("δT @%s\n", δT.Rev)
+				fmt.Printf("δT @%s  %v\n", δT.Rev, δT.ΔKV)
 				for blk, δzblk := range δT.ΔKV {
 					// apply in reverse as we go ←
 					if δzblk.New != xbtree.VDEL {