but in real alias_to_int is equal to int, only with other name;
its should be like typedef from c/c++ ?
On Sun, 17 Aug 2003, Rod Taylor wrote:
> On Sun, 2003-08-17 at 12:34, ivan wrote:
> > Why when i create domain like :
> >
> > CREATE DOMAIN alias_to_int AS INT;
> >
> > and then function like :
> >
> > CREATE FUNCTION func() RETURNS alist_to_int AS ' select 2::int; ' LANGUAGE
> > SQL;
> >
> > and pg can not convert int to aliast_to_int, so i need to create cast for
> > all this same types ?
>
> PostgreSQL will not cast your function return results for you.
>
> rbt=# create function func() returns integer as 'select 2::int2'
> language sql;
> ERROR: return type mismatch in function: declared to return integer,
> returns smallint
>
>
>
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