.

go/zodb/storage/demo/demo.go

@@ -371,7 +371,7 @@ func openByURL(ctx context.Context, u *url.URL, opt *zodb.DriverOptions) (_ zodb
 
 	// verify that either
 	// - δ is all empty (just created), or
-	// - all δ transactions come strictly after base.
+	// - all δ transactions come strictly after base.Head .
 	at0 := baseAt0
 	var δEventq0 []zodb.Event
 	if δAt0 != 0 {
@@ -402,7 +402,6 @@ func openByURL(ctx context.Context, u *url.URL, opt *zodb.DriverOptions) (_ zodb
 		// verify δ
 		iδ := δ.Iterate(ctx, 0, baseAt0)
 		δtxni, _, err := iδ.NextTxn(ctx)
-		// TODO iδ.Close()
 		switch {
 		case err == io.EOF:
 			err = nil // ok - nothing in δ
@@ -411,6 +410,7 @@ func openByURL(ctx context.Context, u *url.URL, opt *zodb.DriverOptions) (_ zodb
 			// there is a δ transaction ∈ [δAt0, baseAt0)
 			err = fmt.Errorf("base overlaps with δ: base.head=%s  δ.tail=%s", baseAt0, δtxni.Tid)
 		}
+		// TODO iδ.Close()
 
 		close(δq0Stop)
 		<-δq0Done