How to SELECT a PROCEDURE in Firebird 2.5

Question

I\'m using Firebird Embedded v2.5. How to use procedures in query (SELECT) ?

My procedure:

SET TERM ^ ;
CREAT         


        

Answer 1

SELECT some_table_field_1, 
   (select X from fn_test( 4 )) AS zzz, 
   some_table_field_2,
   (select X from fn_test( some_table_field_2 )) AS field_2_modified
FROM   tb_test