fix: fall back to origin SQL when failing

Author: radim

fingerprint.go

@@ -3,12 +3,13 @@ package qshape
 import pg_query "github.com/pganalyze/pg_query_go/v6"
 
 func Fingerprint(sql string) (string, error) {
-	// Normalize first so ORM variants share a fingerprint
-	canonical, err := Normalize(sql)
-	if err != nil {
-		return "", err
+	// Normalize first so ORM variants share a fingerprint; fall back to raw
+	// SQL when normalization hits a deparse gap so we still return a fingerprint
+	target := sql
+	if canonical, err := Normalize(sql); err == nil {
+		target = canonical
 	}
-	fp, err := pg_query.Fingerprint(canonical)
+	fp, err := pg_query.Fingerprint(target)
 	if err != nil {
 		return "", err
 	}