"Peter Bauer" <[EMAIL PROTECTED]> writes: > we have a theory for the root of all evil which causes a reproducable > deadlock which is not detected by Postgre:
> The DELETE statement contains a select which waits for a sharelock > (according to pg_locks and pg_stat_activity) on rows locked by the > UPDATE statement. The UPDATE itself waits to get a lock for some rows > which are exclusively locked by the DELETE statement (got from its > sub-SELECT). > What do you think about this theory? Not much. It's been years since anyone found a bug in the deadlock detector; if you want us to believe you have an undetected deadlock, you'll need more evidence than an unsupported assertion. regards, tom lane ---------------------------(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