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Returning RECORD from PGSQL without custom type?

by dante@[EMAIL PROTECTED] ("D. Dante Lorenso") May 10, 2008 at 02:36 AM

Instead of doing this:

   CREATE OR REPLACE FUNCTION "my_custom_func" (in_value bigint)
   RETURNS SETOF record AS
   $body$
   ...
   $body$
   LANGUAGE 'plpgsql' VOLATILE;

I'd like to be able to do this:

   CREATE OR REPLACE FUNCTION "my_custom_func" (in_value bigint)
   RETURNS SETOF (col1name BIGINT, col2name TEXT, ...) AS
   $body$
   ...
   $body$
   LANGUAGE 'plpgsql' VOLATILE;

Because this is the only function that will be returning that TYPE and I 
don't want to have to create a separate type definition just for the 
return results of this function.

Maybe even more cool would be if the OUT record was already defined so 
that I could simply select into that record to send our new rows:

    RETURN NEXT OUT;

    OUT.col1name := 12345;
    RETURN NEXT OUT;

    SELECT 12345, 'sample'
    INTO OUT.col1name, OUT.col2name;
    RETURN NEXT OUT;

Just as you've allowed me to define the IN variable names without 
needing the legacy 'ALIAS $1 ...' format, I'd like to name the returned 
record column names and types in a simple declaration like I show above.

Does this feature request make sense to everyone?  It would make 
programming set returning record functions a lot easier.

-- Dante

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 3 Posts in Topic:
Returning RECORD from PGSQL without custom type?
dante@[EMAIL PROTECTED]   2008-05-10 02:36:50 
Re: Returning RECORD from PGSQL without custom type?
pavel.stehule@[EMAIL PROT  2008-05-10 12:13:46 
Re: Returning RECORD from PGSQL without custom type?
mail@[EMAIL PROTECTED] (  2008-05-10 18:52:14 

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