Log Message:
-----------
Remove unhelpful/misleading advice about how to use SPI_saveplan().
Per gripe from Jack Orenstein.

Modified Files:
--------------
pgsql/doc/src/sgml:
spi.sgml (r1.47 -> r1.48)
(http://developer.postgresql.org/cvsw...1=1.47&r2=1.48)

---------------------------(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