2011/1/1 Tom Lane <tgl@sss.pgh.pa.us>:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Thu, Dec 30, 2010 at 9:55 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> On reflection, how about inverting the flag's value and calling it
>>> mergejoin_allowed or some such?
>
>> Yeah, that's better.
>
> OK, done that way.
It looks to me like mergejoin_allowed should be initialized to false.
If enable_mergejoin is off and jointype != JOIN_FULL then mergejoin is
not allowed, isn't it? Sorry for noise if it's only my confusing.
Regards,
--
Hitoshi Harada