| Subject | Re: [firebird-support] Multi-Version Consistent Read Question |
|---|---|
| Author | Ann Harrison |
| Post date | 2011-12-13T19:27:51Z |
On Tue, Dec 13, 2011 at 1:53 PM, Helen Borrie <helebor@...> wrote:
used by Snapshot (concurrency) transactions. That's the mode that
takes best advantage of MVCC for
readers.
Cheers,
Ann
>Helen is completely correct. The mechanism I described is the one
> What the client can "see" depends on the isolation level of the transaction. At all levels, your client's transaction sees its own changes. Those will not be visible to any other transaction until your client's transaction commits.
used by Snapshot (concurrency) transactions. That's the mode that
takes best advantage of MVCC for
readers.
Cheers,
Ann