From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Bill Moran <wmoran(at)potentialtech(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Questions regarding interaction of stored functions |
Date: | 2005-03-24 14:59:25 |
Message-ID: | 4242D5CD.9000804@commandprompt.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
>Let's take the following fictional scenerio:
>
>BEGIN;
>INSERT INTO table1 VALUES ('somestring');
>INSERT INTO table1 VALUES ('anotherstring');
>SELECT user_defined_function();
>COMMIT;
>
>In this case, user_defined_function() does a lot more table manipulation.
>I don't want that to be done if any statement prior fails, but it seems as
>if it's always done, regardless. It seems as if the second INSERT is not
>executed if the first fails, but the function is always called.
>
>
If any one of the statements within the transaction (including the
function) fails the entire statement will need to rollback.
If you are running 8 you can use savepoints to only have certain
parts of the entire transaction rollback and then continue forward.
Sincerely,
Joshua D. Drake
>So ... I'm a little fuzzy on this. Is there a doc that details this
>behaviour?
>
>TIA.
>
>
>
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