Tom Lane wrote:
I wrote:
Heikki Linnakangas <[EMAIL PROTECTED]> writes:
We could have two kinds of seq scans, with and without support for
concurrent inserts.
Yeah, I considered that too, but it just seems too error-prone. We
could maybe make it trustworthy by having hash_seq_search complai
Tom Lane wrote:
The pending-fsync stuff in md.c is also expecting to be able to add
entries during a scan.
No, mdsync starts the scan from scratch after calling AbsorbFsyncRequests.
I don't think we can go in the direction of forbidding insertions during
a scan --- as the case at hand shows,
Heikki Linnakangas wrote:
Tom Lane wrote:
Also, we have a generic issue that making fresh entries in a hashtable
might result in a concurrent hash_seq_search scan visiting existing
entries more than once; that's definitely not something any of the
existing callers are thinking about.
Ouch. Not
