Log Message:
-----------
Add a defense to prevent core dumps if 8.2 version of rank_cd() is used with
the 8.1 SQL function definition for it. Per report from Rajesh Kumar Mallah,
such a DBA error doesn't seem at all improbable, and the cost of checking for
it is not very high compared to the cost of running this function. (It would
have been better to change the C name of the function so it wouldn't be called
by the old SQL definition, but it's too late for that now in the 8.2 branch.)
Modified Files:
--------------
pgsql/contrib/tsearch2:
rank.c (r1.20 -> r1.21)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/rank.c.diff?r1=1.20&r2=1.21)
pgsql/src/include/catalog:
pg_type.h (r1.173 -> r1.174)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_type.h.diff?r1=1.173&r2=1.174)
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