Re: and waiting

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.