Horton

Clarify example of planner cost computation, per a suggestion from

Tom Lane <tgl@sss.pgh.pa.us>

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Commit: f5513484171e26456a76a5cdeaad0dbf41980dd8
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2007-10-22T21:34:33Z
Releases: 8.3.0 
Clarify example of planner cost computation, per a suggestion from
James Shaw.  Also update a couple of examples to reflect 8.3's improved
plan-printing code.

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doc/src/sgml/perform.sgml modified +11 −9