Log Message:
-----------
Avoid infinity calculations in rank_cd
Modified Files:
--------------
pgsql/contrib/tsearch2:
rank.c (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/rank.c.diff?r1=1.19&r2=1.20)
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
