renamed exaples to playground, edited README

playground/qry_delete_test.go

@@ -0,0 +1,18 @@
+package playground
+
+import (
+	"testing"
+
+	"code.patial.tech/go/pgm/playground/db"
+	"code.patial.tech/go/pgm/playground/db/user"
+)
+
+func TestDelete(t *testing.T) {
+	expected := "DELETE FROM users WHERE users.id = $1 AND users.status_id NOT IN($2)"
+	got := db.User.Delete().
+		Where(user.ID.Eq(1), user.StatusID.NotIn(1, 2, 3)).
+		String()
+	if got != expected {
+		t.Errorf("got %q, want %q", got, expected)
+	}
+}