Mostly nit-picking, but for what it's worth:
Neil Conway <neilc@samurai.com> writes:
> ! <note>
> ! <para>
> ! The order of outer joins specified via the <literal>JOIN</>
> ! construct is never adjusted by the query planner; therefore,
> ! <varname>join_collapse_limit</> has no effect on this
> ! behavior.
This should include some weasel-wording along the lines of "At present,
blah blah blah". It is theoretically legal to reorder outer joins in
some cases, and I harbor ambitions of teaching the planner about that
sooner or later.
> ! <varname>from_collapse_limit</varname>, which is appropriate
> ! for most users. Setting it to 1 prevents any reordering of
"most uses", perhaps ?
> ! order they desire explicitely. Another consequence of setting
spell-check ...
> ! this variable to 1 is that the query planner will behave more
> ! similarly to the <productname>PostgreSQL</productname> 7.3
"more similarly" is bad grammar ... try "more like the" ...
regards, tom lane