perf enhancement

playground/qry_insert_test.go

@@ -36,7 +36,7 @@ func TestInsertQuery2(t *testing.T) {
 	}
 }
 
-// BenchmarkInsertQuery-12    	 2014519	       584.0 ns/op	    1144 B/op	      18 allocs/op
+// BenchmarkInsertQuery-12    	 2517757	       459.6 ns/op	    1032 B/op	      13 allocs/op
 func BenchmarkInsertQuery(b *testing.B) {
 	for b.Loop() {
 		_ = db.User.Insert().
@@ -50,7 +50,7 @@ func BenchmarkInsertQuery(b *testing.B) {
 	}
 }
 
-// BenchmarkInsertSetMap-12    	 1534039	       777.1 ns/op	    1480 B/op	      20 allocs/op
+// BenchmarkInsertSetMap-12    	 1812555	       644.1 ns/op	    1368 B/op	      15 allocs/op
 func BenchmarkInsertSetMap(b *testing.B) {
 	for b.Loop() {
 		_ = db.User.Insert().