Heikki Linnakangas <[EMAIL PROTECTED]> writes: > Tom Lane wrote: >> What sort of "wait for finish" mechanism do you have in mind?
> I was thinking of XactLockTableWait. Ugh. I don't think the bgwriter can participate in heavyweight-lockmgr operations, or should become able to. Nor will that work for prepared xacts --- you don't want to wait for the eventual commit, only for PREPARE TRANSACTION to exit its critical section. 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