Re: new max function - Mailing list pgsql-sql

From Mike Rylander
Subject Re: new max function
Date
Msg-id 200310171732.50292.miker@n2bb.com
Whole thread Raw
In response to new max function  (Rodrigo Gesswein <rodri@chilesat.net>)
Responses Re: new max function  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-sql
Here's mine:

CREATE FUNCTION max2 (INTEGER,INTEGER) RETURNS INTEGER LANGUAGE SQL AS 'SELECT CASE WHEN $1 > $2 THEN $1 ELSE $2 END';

This returns:

database=# select max2(1,2);max2 
------   2
(1 row)

database=# select max2(3,1);max2 
------   3
(1 row)


On Friday 17 October 2003 02:13 pm, Rodrigo Gesswein wrote:
> Hello!
>
>    I'm looking for a function to calculate the max value from two numbers,
> something like max2(a,b) with a,b int
>
>    Does anyone have the trick ?
>
>    Thank you in advance..
>
> Rodrigo!
>
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-- 
Mike Rylander



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