avoid conversion if already converted

Wondertan · Wondertan · commit 4d3eeae52ad2 · 2025-08-01T03:26:54.000+02:00
diff --git a/keytransform/transforms.go b/keytransform/transforms.go
@@ -29,6 +29,10 @@ type PrefixTransform struct {
 
 // ConvertKey adds the prefix.
 func (p PrefixTransform) ConvertKey(k ds.Key) ds.Key {
+	if p.Prefix.IsAncestorOf(k) {
+		return k
+	}
+
 	return p.Prefix.Child(k)
 }
 

Original file line number	Diff line number	Diff line change
`@@ -29,6 +29,10 @@ type PrefixTransform struct {`
`29`	`29`
`30`	`30`	`// ConvertKey adds the prefix.`
`31`	`31`	`func (p PrefixTransform) ConvertKey(k ds.Key) ds.Key {`
	`32`	`+ if p.Prefix.IsAncestorOf(k) {`
	`33`	`+ return k`
	`34`	`+ }`
	`35`	`+`
`32`	`36`	`return p.Prefix.Child(k)`
`33`	`37`	`}`
`34`	`38`