2009/7/23 Andreas Wenk <a(dot)wenk(at)netzmeister-st-pauli(dot)de>:
> Pavel Stehule schrieb:
>>
>> Hello
>>
>>
>> http://www.postgres.cz/index.php/PostgreSQL_SQL_Tricks#Fast_compare_variables_NEW_and_OLD_in_trigger.27s_body
>>
>> regards
>> Pavel Stehule
>>
>
> Pavel, this trick-list is awesome ;-) Thanks for the tip!
>
> Cheers
>
> Andy
>
> P.S.: a link to that would be nice ;-)
>
look on http://wiki.postgresql.org/wiki/Category:Snippets
There are link on tricks page.
Pavel