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pgsql: Teach choose_bitmap_and() to actually be choosy --- that is, try - Mailing list pgsql-committers

From tgl@svr1.postgresql.org (Tom Lane)
Subject pgsql: Teach choose_bitmap_and() to actually be choosy --- that is, try
Date
Msg-id 20050423015734.780BF535A3@svr1.postgresql.org
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Log Message:
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Teach choose_bitmap_and() to actually be choosy --- that is, try to
make some estimate of which available indexes to AND together, rather
than blindly taking 'em all.  This could probably stand further
improvement, but it seems to do OK in simple tests.

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        indxpath.c (r1.176 -> r1.177)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/indxpath.c.diff?r1=1.176&r2=1.177)

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