"Paulo Scardine" <[EMAIL PROTECTED]> writes:
> - Where is the best place to put this?
I think it would be a really *bad* idea to put it in LockAcquire; that
risks breaking things that you don't want broken.
Whether it's special syntax or a GUC variable, the restriction should
only apply to SELECT FOR UPDATE row locks, perhaps user-commanded LOCK
TABLE operations, and maybe one or two other places that are known to
be used only for user-written operations and not for system-initiated
ones. Those places would need to check whether to do a conditional
or unconditional lock.
regards, tom lane
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