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From: Elisha Allen <[email protected]>
To: [email protected]
Subject: 9.7. Table Functions
Date: Fri, 5 Sep 2003 14:34:48 -0600
Message-ID: <009101c373ed$35b7b0a0$57481881@maelstrom> (raw)

Hello,

I hope I am posting this to the approprate list. I am somewhat new to postgres, and have been extensively reading the documentation over the last few days. As a whole, it is very helpful and informative. Great work!

Today I came across the following issue with table functions:

I'm trying to write a table function that returns a recordset. I'm running postgres 7.3.3 on redhat Following postgres Documentation Chapter 9.7,  I used the following commands to test this:

CREATE TABLE foo (fooid int, foosubid int, fooname text);
 
 CREATE FUNCTION getfoo(int) RETURNS setof foo AS '
     SELECT * FROM foo WHERE fooid = $1;
 ' LANGUAGE SQL;
 
 SELECT * FROM getfoo(1) AS t1;


Unfortunately, the command:

 SELECT * FROM getfoo(1) AS t1;

returns a:

server parse error at or near "("

Is there something I'm missing here? As a workaround I tried:

 SELECT getfoo(1) AS t1;

This command ran, but returned a row t1 with a series of numbers in it, rather than a recordset of columns and values as the documentation suggests when it says:

"If the function returns a composite type, the result columns get the same names as the individual attributes of the type."

Thank you very much for your help, and please let me know if I can be of any assistance in trouble shooting this issue/ updating the documentation on this issue.

Elisha

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