Robert Lor wrote:
> Please find the patch attached per this thread
> http://archives.postgresql.org/pgsql-hackers/2008-02/msg00912.php
Another thing that is concerning me about this new approach is the way the
probes are named. For example, we'd now have a call
POSTGRESQL_LWLOCK_ACQUIRE()
in the code. This does not say we are *tracing* lock aquisition, but it looks
like a macro that actually acquires a lock.
I understand that these probe names follow some global naming scheme. Is it
hard to change that? I'd feel more comfortable with, say,
(D)TRACE_POSTGRESQL_LWLOCK_ACQUIRE().
Comments?
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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
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