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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2012-08-22 23:55:34 -0400 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2012-08-22 23:55:34 -0400 |
| commit | 6e2e12c9477c3b48854433251ebca9709be3e87b (patch) | |
| tree | 63a06529df016b55c3597f8ef643e68c1813eb75 /doc/src/sgml/ref/commit.sgml | |
| parent | b33f611682d0c587bb1496ff529fab1970f0d44c (diff) | |
| download | postgresql-6e2e12c9477c3b48854433251ebca9709be3e87b.tar.gz postgresql-6e2e12c9477c3b48854433251ebca9709be3e87b.zip | |
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.
Diffstat (limited to 'doc/src/sgml/ref/commit.sgml')
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