executor: simplify label rule partition check

ChangRui-Ryan · ChangRui-Ryan · commit 4da1a79d070b · 2026-05-19T15:58:45.000+08:00
diff --git a/pkg/executor/infoschema_reader.go b/pkg/executor/infoschema_reader.go
@@ -4170,7 +4170,7 @@ func checkRule(rule *label.Rule) (dbName, tableName string, partitionName string
 
 	dbName = s[idOffset+1]
 	tableName = s[idOffset+2]
-	if len(s) > idOffset+3 {
+	if idOffset+3 < len(s) {
 		partitionName = s[idOffset+3]
 	}
 	return

Original file line number	Diff line number	Diff line change
`@@ -4170,7 +4170,7 @@ func checkRule(rule *label.Rule) (dbName, tableName string, partitionName string`
`4170`	`4170`
`4171`	`4171`	`dbName = s[idOffset+1]`
`4172`	`4172`	`tableName = s[idOffset+2]`
`4173`		`- if len(s) > idOffset+3 {`
	`4173`	`+ if idOffset+3 < len(s) {`
`4174`	`4174`	`partitionName = s[idOffset+3]`
`4175`	`4175`	`}`
`4176`	`4176`	`return`