Try a pg function.
http://www.postgresql.org/idocs/index.php?sql-createfunction.html
CREATE FUNCTION one() RETURNS int4
AS 'SELECT 1 AS RESULT'
LANGUAGE 'sql';
SELECT one() AS answer;
answer
--------
1
If you are truly adventurous, you could create a 'constant' table and have
the function take an argument, which is key to the table.
Frank
At 02:00 PM 2/4/02 +0000, Shane Wright wrote:
>Hi
>
>This may be the wrong list to ask this, apologies if so :)
>
>Anyway, is there any way to define constants in PostgreSQL - my app has lots
>of them at the PHP level, but it'd be nice to use them directly in the SQL
>without overly complex query building.
>
>Something like this...
>
>DEFINE CONSTANT MYCONST = 4;
>
>SELECT * FROM mytable WHERE myfield=MYCONST;
>
>
>Thanks
>
>--
>Shane
>
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