On Mon, Jan 21, 2008 at 04:54:06PM -0500, Tom Lane wrote: > It's probably not a good idea to have shdepReassignOwned() take only > AccessShareLock on pg_shdepend. Even though the function itself > merely reads the table, it is going to call functions that will take > RowExclusiveLock, meaning that we're setting ourselves up for potential > deadlock failures due to lock-upgrade. It'd be safer (and faster too) > to just hold RowExclusiveLock through the whole operation.
Just a thought... Would it be worthwhile to allow for logging when a lock gets upgraded? That would make it easier to protect against deadlocks... -- Decibel!, aka Jim C. Nasby, Database Architect [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828
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