* 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 <[EMAIL PROTECTED]> BFK edv-consulting GmbH http://www.bfk.de/ Durlacher Allee 47 tel: +49-721-96201-1 D-76131 Karlsruhe fax: +49-721-96201-99 ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
