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pgsql: Remove overly-pessimistic statement about constraint exclusion.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Remove overly-pessimistic statement about constraint exclusion.
Date: 2012-08-23 03:56:46
Message-ID: E1T4OXG-0002xD-6v@gemulon.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Remove overly-pessimistic statement about constraint exclusion.

As of 9.2, constraint exclusion should work okay with prepared statements:
the planner will try custom plans with actual values of the parameters,
and observe that they are a lot cheaper than the generic plan, and thus
never fall back to using the generic plan.  Noted by Tatsuhito Kasahara.

Branch
------
REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/ead31d1a72b1a99b2741c42adc951564992fb24f

Modified Files
--------------
doc/src/sgml/ddl.sgml |   10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

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Next:From: Peter EisentrautDate: 2012-08-23 06:32:12
Subject: pgsql: pg_upgrade: Run the created scripts in the test suite
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Subject: pgsql: Make a cut at a major-features list for 9.2.

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