On Tue, May 02, 2006 at 04:31:14PM +0200, letizia leo wrote:
>
> and the doubt is the following: how is it possible that -line 144- Xmin
> is the current transaction ( i.e. it has created this tuple, it is
> holding an exclusive lock on it since it has not committed yet) and
> that
> -line 1
letizia leo wrote:
> and the doubt is the following: how is it possible that -line 144- Xmin
> is the current transaction ( i.e. it has created this tuple, it is
> holding an exclusive lock on it since it has not committed yet) and
> that
> -line 149- there is a different (?) transaction that
Hi, We're a team from Rome University (Italy) and we are working on an hacking of PostgreSQL MVCC. The basic idea is to have multiple instances of a same user transaction concurrently executing against the DB in order to achieve fault tolerance. We do not want to bother you with the details o