fix bug in postgres

@@ -1135,6 +1135,8 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
 
 	query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s%s%s", sels, Q, mi.table, Q, join, where, orderBy, limit)
 
+	d.ins.ReplaceMarks(&query)
+
 	var rs *sql.Rows
 	if r, err := q.Query(query, args...); err != nil {
 		return 0, err

@@ -766,6 +766,10 @@ func TestValues(t *testing.T) {
 		throwFail(t, AssertIs(maps[0]["Profile__Age"], 28))
 		throwFail(t, AssertIs(maps[2]["Profile__Age"], nil))
 	}
+
+	num, err = qs.Filter("UserName", "slene").Values(&maps)
+	throwFail(t, err)
+	throwFail(t, AssertIs(num, 1))
 }
 
 func TestValuesList(t *testing.T) {