sqlgen: Get* return nil row on error

sqlgen/gen.go.tmpl

@@ -142,9 +142,11 @@ func {{.Type}}_Get(
 	row *{{.Type}},
 	err error,
 ) {
-  row = &{{.Type}}{}
+	row = &{{.Type}}{}
 	r := tx.QueryRow("{{.GetQuery}}", {{.DeleteArgs}})
-	err = r.Scan({{.ScanArgs}})
+	if err = r.Scan({{.ScanArgs}}); err != nil {
+		row = nil
+	}
 	return
 }
 
@@ -157,9 +159,11 @@ func {{.Type}}_GetWhere(
 	row *{{.Type}},
 	err error,
 ) {
-  row = &{{.Type}}{}
+	row = &{{.Type}}{}
 	r := tx.QueryRow(query, args...)
-	err = r.Scan({{.ScanArgs}})
+	if err = r.Scan({{.ScanArgs}}); err != nil {
+		row = nil
+	}
 	return
 }