From: | 高健 <luckyjackgao(at)gmail(dot)com> |
---|---|
To: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: My function run successfully with cursor, but can't change table |
Date: | 2013-06-13 09:58:38 |
Message-ID: | CAL454F11Y1e1H2iiAL3g2X106pKdLAH5MtSiBcxJmbt0WwGV1A@mail.gmail.com |
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Lists: | pgsql-general |
Hi :
Sorry for replying lately.
I tried to take the commit statement out of the function , and it works
well.
Thank you!
2013/6/10 Kevin Grittner <kgrittn(at)ymail(dot)com>
> 高健 <luckyjackgao(at)gmail(dot)com> wrote:
>
> > CREATE OR REPLACE Function ...
>
> > BEGIN
> > BEGIN
>
> > UPDATE ...
> > COMMIT;
>
> > EXCEPTION
> > WHEN OTHERS THEN
> > END;
> > END;
>
> > But when I select the table again, I found it not changed.
>
> > Anybody know the reason, maybe there are some wrong way by
> > which I use the cursor.
>
> It has nothing to do with the way you are using the cursor; your
> problem is that you are causing an error by attempting to COMMIT
> inside a function (which is not allowed). This rolls back the
> subtransaction defined by the BEGIN/EXCEPTION block. You then
> suppress any display of the error with the WHEN OTHERS block.
>
> --
> Kevin Grittner
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
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