Support 'postgresql' schema designator (#19275)

config/utils.go

@@ -174,7 +174,9 @@ func Merge(cfg *model.Config, patch *model.Config, mergeConfig *utils.MergeConfi
 }
 
 func IsDatabaseDSN(dsn string) bool {
-	return strings.HasPrefix(dsn, "mysql://") || strings.HasPrefix(dsn, "postgres://")
+	return strings.HasPrefix(dsn, "mysql://") ||
+		strings.HasPrefix(dsn, "postgres://") ||
+		strings.HasPrefix(dsn, "postgresql://")
 }
 
 // stripPassword remove the password from a given DSN