revamp, returing will include the table name.cloumn_name. feat, ts_rank, ts_search helpers

playground/qry_select_test.go

@@ -60,27 +60,6 @@ func TestSelectWithHaving(t *testing.T) {
 	}
 }
 
-func TestSelectDerived(t *testing.T) {
-	expected := "SELECT t.* FROM (SELECT users.*, ROW_NUMBER() OVER (PARTITION BY users.status_id ORDER BY users.created_at DESC) AS rn" +
-		" FROM users WHERE users.status_id = $1) AS t WHERE t.rn <= $2" +
-		" ORDER BY t.status_id, t.created_at DESC"
-
-	qry := db.User.
-		Select(user.All, user.CreatedAt.RowNumberDescPartionBy(user.StatusID, "rn")).
-		Where(user.StatusID.Eq(1))
-
-	tbl := db.DerivedTable("t", qry)
-	got := tbl.
-		Select(tbl.Field("*")).
-		Where(tbl.Field("rn").Lte(5)).
-		OrderBy(tbl.Field("status_id"), tbl.Field("created_at").Desc()).
-		String()
-
-	if expected != got {
-		t.Errorf("\nexpected: %q\n\ngot:      %q", expected, got)
-	}
-}
-
 func TestSelectWithJoin(t *testing.T) {
 	got := db.User.Select(user.Email, user.FirstName).
 		Join(db.UserSession, user.ID, usersession.UserID).
@@ -106,6 +85,46 @@ func TestSelectWithJoin(t *testing.T) {
 	}
 }
 
+func TestSelectDerived(t *testing.T) {
+	expected := "SELECT t.* FROM (SELECT users.*, ROW_NUMBER() OVER (PARTITION BY users.status_id ORDER BY users.created_at DESC) AS rn" +
+		" FROM users WHERE users.status_id = $1) AS t WHERE t.rn <= $2" +
+		" ORDER BY t.status_id, t.created_at DESC"
+
+	qry := db.User.
+		Select(user.All, user.CreatedAt.RowNumberDescPartionBy(user.StatusID, "rn")).
+		Where(user.StatusID.Eq(1))
+
+	tbl := db.DerivedTable("t", qry)
+	got := tbl.
+		Select(tbl.Field("*")).
+		Where(tbl.Field("rn").Lte(5)).
+		OrderBy(tbl.Field("status_id"), tbl.Field("created_at").Desc()).
+		String()
+
+	if expected != got {
+		t.Errorf("\nexpected: %q\n\ngot:      %q", expected, got)
+	}
+}
+
+func TestSelectTV(t *testing.T) {
+	expected := "SELECT users.first_name, users.last_name, users.email, TS_RANK(users.search_vector, query) AS rank" +
+		" FROM users, TO_TSQUERY('english', $1) query" +
+		" WHERE users.status_id = $2 AND users.search_vector @@ query" +
+		" ORDER BY rank DESC"
+
+	qry := db.User.
+		WithTsQuery("anki", "query").
+		Select(user.FirstName, user.LastName, user.Email, user.SearchVector.TsRank("query", "rank")).
+		Where(user.StatusID.Eq(1), user.SearchVector.TsQuery("query")).
+		OrderBy(pgm.Field("rank").Desc())
+
+	got := qry.String()
+
+	if expected != got {
+		t.Errorf("\nexpected: %q\n\ngot:      %q", expected, got)
+	}
+}
+
 // BenchmarkSelect-12    	  638901	      1860 ns/op	    4266 B/op	      61 allocs/op
 func BenchmarkSelect(b *testing.B) {
 	for b.Loop() {