Re: return data before the update

Luis Silva <lfs12(at)hotmail(dot)com> wrote:

> Hi all,
> Is it possible to perform an update and return the old data, i.e., the data
> updated? Do I need a store procedure?

What do you want to do with the old data? Store i a other table (like a
log-table)?

I think, you needs a TRIGGER, and the TRIGGER has to store the old
values in your log-table.

Do you know tablelog?
http://andreas.scherbaum.la/blog/archives/100-Log-Table-Changes-in-PostgreSQL-with-tablelog.html

Andreas
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