Subject | RE: [ib-support] Commit/Rollback Reads? |
---|---|
Author | Ray Drew |
Post date | 2001-10-10T10:21:25Z |
Helen,
I'm familiar with commit/rollback for writes/updates but hadn't been aware
that it applied to selects.
Thanks,
Ray
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I'm familiar with commit/rollback for writes/updates but hadn't been aware
that it applied to selects.
Thanks,
Ray
> -----Original Message-----http://docs.yahoo.com/info/terms/
> From: Helen Borrie [mailto:helebor@...]
> Sent: 10 October 2001 11:06
> To: ib-support@yahoogroups.com
> Subject: Re: [ib-support] Commit/Rollback Reads?
>
>
> At 10:46 AM 10-10-01 +0100, you wrote:
> >After running a select query in IBACCESS or IBQUERY I'm
> asked if I want to
> >commit or rollback the transaction. A couple of questions..
> >
> >Do I have to do this in my app. code?
>
> Yes, your app code has to start and complete transactions.
>
> >What's the difference between committing and rolling back a
> select query?
>
> If it's just a select, there is no difference - either will
> complete the transaction and release the rows.
>
> If it's a metadata change, or a change to data, commit makes
> it permanent on the server, rollback undoes everything that
> happened inside your transaction's context since you started it.
>
> cheers,
> Helen
>
> All for Open and Open for All
> InterBase Developer Initiative ยท http://www.interbase2000.org
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