Bruce Momjian <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> I think that's not happening, conditionally or otherwise. The atomicity
>> problems alone are sufficient reason why not, even before you look at
>> the performance issues.
> What are the atomicity problems of adding a create/expire xid to the
> index tuples?
You can't update a tuple's status in just one place ... you have to
update the copies in the indexes too.
regards, tom lane
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
