Log Message:
-----------
Revert sampling patch for EXPLAIN ANALYZE; it turns out to be too unreliable
because node timing is much less predictable than the patch expects. I kept
the API change for InstrStopNode, however.
Modified Files:
--------------
pgsql/src/backend/executor:
execProcnode.c (r1.55 -> r1.56)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/execProcnode.c.diff?r1=1.55&r2=1.56)
instrument.c (r1.17 -> r1.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/instrument.c.diff?r1=1.17&r2=1.18)
pgsql/src/include/executor:
instrument.h (r1.15 -> r1.16)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/executor/instrument.h.diff?r1=1.15&r2=1.16)
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