Re: Trigger to identify which column(s) updated

Dear Jack  ,

>for each column in new:
>    if (new.column(1) != old.column(1)) ...
>
>      ...and then some snippet of code to determine the primary key column
>of new (or old)
>  
>
Check the following link

http://gborg.postgresql.org/project/tablelog/projdisplay.php

Hope this helps



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