Re: Triggers

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Andrew

On 4/9/07, anindya(dot)bhattacharyya(at)cmcltd(dot)com <
anindya(dot)bhattacharyya(at)cmcltd(dot)com> wrote:
>
>
> I have postgres sql 7.4
> I have a table employee having two fields employee_number varchar(10) ,
> salary(10,2);[primary key employee_number)
>
> I want to track any change due update on any row on this table on this
> table.
>
> For this purpose I have created a table call emplyee_audit having the
> same structure as employee but no primary key
>
> For this purpose I have tried to use trigger with before update option.
> But as could find that Post gres does not support the :old or :new clause.
> So I have not able track changes in emplyee_audit.
>
> Kindly suggest how to accomplish the above task
>
> Regards
>
> Anindya Bhattacharyya
> Manager SI
>
>
>
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