Log Message:
-----------
Update backend flowchart HTML.
Modified Files:
--------------
pgsql/src/tools/backend:
backend_dirs.html (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/backend/backend_dirs.html.diff?r1=1.6&r2=1.7)
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
