Gurjeet Singh escribió: > I just looked at the patch... Isn't PG_TRY() an expensive call to make in > the lock.c code? I was thinking of registering a Xact callback using > RegisterXactCallback() and performing 'waiting' reset in that callback if > the Xact event is XACT_EVENT_ABORT.
PG_TRY is not expensive as all that -- it's just a sigsetjmp() call and another stack frame. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. ---------------------------(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
