Log Message:
-----------
Som improve page split in multicolumn GiST index.
If user picksplit on n-th column generate equals
left and right unions then it calls picksplit on n+1-th
column.
Modified Files:
--------------
pgsql/src/backend/access/gist:
gist.c (r1.137 -> r1.138)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/gist/gist.c.diff?r1=1.137&r2=1.138)
gistutil.c (r1.14 -> r1.15)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/gist/gistutil.c.diff?r1=1.14&r2=1.15)
pgsql/src/include/access:
gist_private.h (r1.16 -> r1.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/access/gist_private.h.diff?r1=1.16&r2=1.17)
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TIP 2: Don't 'kill -9' the postmaster
