Re: Triggers

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От Josh Berkus
Тема Re: Triggers
Дата
Msg-id web-690471@davinci.ethosmedia.com
обсуждение исходный текст
Ответ на Triggers  (Rob <rob@obsidian.co.za>)
Ответы postmaster start options on RedHat 7.2  ("Brian Johnson" <bjohnson@jecinc.on.ca>)
Список pgsql-novice
Rob,

> I have a trigger on a table called stock_count (which has a column
> barcode) which needs to update a value in a table called
>  theoretical_stock_count on either an insert,
> update or delete.  However, I need to pass the barcode of the
> inserted/updated/deleted row to the function I am calling.  Is there
>  any
> way to do this?

Within the Update or Delete trigger, the bar code of the original row
 is available as OLD.barcode.  For Update and Insert triggers, the new
 record's barcode is available as NEW.barcode.

-Josh

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