Re: Rules and Triggers
| От | Michael Paesold |
|---|---|
| Тема | Re: Rules and Triggers |
| Дата | |
| Msg-id | 007c01c25902$9772b940$4201a8c0@beeblebrox обсуждение исходный текст |
| Ответ на | Re: Rules and Triggers ("Adam Erickson" <adamre@cox.net>) |
| Ответы |
Re: Rules and Triggers
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| Список | pgsql-sql |
Adam Erickson wrote: > Correct me if I'm wrong, but rules constrain the SQL (ie. validation). > Triggers are carried out after the SQL is executed and the data is modified. > So, to answer your question, I think rules come first. As to which order > the rules / triggers are executed probably depends on the order you put them > in when you created them but I pulled that straight out of my arse. :) That would be correct for triggers with AFTER INSERT/UPDATE/DELETE. But what about triggers BEFORE INSERT/UPDATE/DELETE? Regards, Michael
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