From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
---|---|
To: | Josh Berkus <josh(at)agliodbs(dot)com> |
Cc: | Wei Weng <wweng(at)kencast(dot)com>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: ON DELETE CASCADE question |
Date: | 2002-06-14 17:14:39 |
Message-ID: | 3D0A247F.EADC659D@Yahoo.com |
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Lists: | pgsql-sql |
Josh Berkus wrote:
>
> Wei,
>
> > Does ON DELETE CASCADE attribute you specify in CREATE TABLE
> > statement
> > actually create triggers for every foreign key it refers to?
> >
>
> Yes. Two triggers for each key, I think.
Three, one for INSERT OR UPDATE on the FK table, one
for UPDATE on the PK table and one for DELETE on PK.
Jan
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