Log Message:
-----------
Dept of second thoughts: the IQ of estimate_array_length() needs to be
kept on par with that of scalararraysel(), else estimates that should
track might not. Hence teach it about binary-compatible cases, too.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
selfuncs.c (r1.222 -> r1.223)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/selfuncs.c.diff?r1=1.222&r2=1.223)
---------------------------(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
