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Data Bases > Pgsql Committers > pgsql: Departme...
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pgsql: Department of second thoughts: fix newly-added code in planner.c

by tgl@[EMAIL PROTECTED] (Tom Lane) Aug 5, 2008 at 04:03 PM

Log Message:
-----------
Department of second thoughts: fix newly-added code in planner.c to make
real
sure that DISTINCT ON does what it's supposed to, ie, sort by the full
ORDER
BY list before unique-ifying.  The error seems masked in simple cases by
the
fact that query_planner won't return query pathkeys that only partially
match
the requested sort order, but I wouldn't want to bet that it couldn't be
exposed in some way or other.

Modified Files:
--------------
    pgsql/src/backend/optimizer/plan:
        planner.c (r1.238 -> r1.239)
       
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/planner.c?r1=1.238&r2=1.239)

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 1 Posts in Topic:
pgsql: Department of second thoughts: fix newly-added code in pl
tgl@[EMAIL PROTECTED] (T  2008-08-05 16:03:10 

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tan12V112 Tue Oct 14 6:16:32 CDT 2008.