| From: | tgl(at)postgresql(dot)org (Tom Lane) |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Make GROUP BY work properly for datatypes that only support |
| Date: | 2008-08-03 19:10:52 |
| Message-ID: | 20080803191052.6FECC755315@cvs.postgresql.org |
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| Lists: | pgsql-committers |
Log Message:
-----------
Make GROUP BY work properly for datatypes that only support hashing and not
sorting. The infrastructure for this was all in place already; it's only
necessary to fix the planner to not assume that sorting is always an available
option.
Modified Files:
--------------
pgsql/src/backend/optimizer/plan:
planmain.c (r1.107 -> r1.108)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/planmain.c?r1=1.107&r2=1.108)
planner.c (r1.236 -> r1.237)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/planner.c?r1=1.236&r2=1.237)
pgsql/src/backend/parser:
parse_clause.c (r1.172 -> r1.173)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/parse_clause.c?r1=1.172&r2=1.173)
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