Re: INSERT/UPDATEs cycles and lack of phantom locking
От
Florian Weimer
Тема
Re: INSERT/UPDATEs cycles and lack of phantom locking
Дата
Msg-id
823bcw20mz.fsf@mid.bfk.de
Ответ на
Re: INSERT/UPDATEs cycles and lack of phantom locking (Florian Weimer)
Список
Дерево обсуждения
INSERT/UPDATEs cycles and lack of phantom locking Florian Weimer <fweimer@bfk.de>
Re: INSERT/UPDATEs cycles and lack of phantom locking Tom Lane <tgl@sss.pgh.pa.us>
Re: INSERT/UPDATEs cycles and lack of phantom locking Florian Weimer <fweimer@bfk.de>
Re: INSERT/UPDATEs cycles and lack of phantom locking Florian Weimer <fweimer@bfk.de>
* Florian Weimer: > In addition, it occurred to me that I get the INSERT failure only if > there is a suitable PRIMARY KEY/UNIQUE constraint on the table. I > haven't got that in all cases, so I need that advisory locking anyway, It seems that LOCK TABLE ... IN EXCLUSIVE MODE does exactly what I need: it locks out itself (and write access), but not read access to the table. And deadlocks are detected as well. Yay! -- Florian Weimer BFK edv-consulting GmbH http://www.bfk.de/ Durlacher Allee 47 tel: +49-721-96201-1 D-76131 Karlsruhe fax: +49-721-96201-99
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