test with sql cast

Author: lovasoa

tests/sql_test_files/it_works_postgres_cast_syntax.sql

@@ -1,7 +1,7 @@
 -- the syntax $x::int is supported only in PostgreSQL
 -- but for consistency with other databases, sqlpage supports this syntax everywher ()
 SELECT 'text' as component, 
-    case $x::integer + 1 
+    case $x::decimal + 1 
         when 2 then 'It works !'
         else 'Error !'
     end as contents;