On 25.03.2011 22:21, Robert Haas wrote:
On Fri, Mar 25, 2011 at 3:29 PM, Greg Stark<gsst...@mit.edu> wrote:
On Fri, Mar 25, 2011 at 7:06 PM, Robert Haas<robertmh...@gmail.com> wrote:
1. The table has been created or truncated in the same transaction
,,,
That's not enough... some other transaction could see the data before
the transaction commits.
How?
Hmm. Maybe I'm wrong. I guess the XID would still be in the MVCC
snapshot of every other running transaction, so maybe it would be OK.
*scratches head*
Right. You can't mark the tuples as frozen, but you can set the
xmin-committed hint bits.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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