On 8/10/2007 11:04 AM, Simon Riggs wrote:
> Can I just check my understanding?
> 
> Slony single threads access to the log tables indirectly, by making the
> log triggers do a LOCK TABLE on sl_event in EXCLUSIVE mode.
> 
> So we don't actually do LOCK TABLE on sl_log in EXCLUSIVE mode, but that
> is the overall effect?

Where does the log trigger do that? It should not!

What does lock sl_event exclusively is the code that creates events, in 
order to guarantee that events commit in the ev_seqno order and nothing 
else.


Jan

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