Re: [GENERAL] Locking
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] Locking |
Дата | |
Msg-id | 199905030159.VAA19221@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Locking (M Simms <grim@argh.demon.co.uk>) |
Список | pgsql-general |
> What is the situation with locking in pustgresql > > I am aware that 6.5 has row level locking, and read-always, and that > 6.4 doesnt (it just has complete table-level, if I am right). > > However that is moderately beside the point. > > What actually happens when I try and write to a table or row that is > locked by another instance of the backend? Does it simply wait and try > again, transparently, or do I have to handle this myself by checking on > return statuses and retrying when I get a particular status? And is this > also the case for reading a locked table in 6.4 It waits. All versions work this way. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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