On Thu, Sep 10, 2009 at 12:56 PM, bricklen <bricklen@gmail.com> wrote:
> On Thu, Sep 10, 2009 at 8:43 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>
>> bricklen <bricklen@gmail.com> writes:
>> > Is there any other data I can provide to shed some light on this?
>>
>> The table and index definitions?
>>
>> The straight indexscan would probably win if the index column order
>> were ofid, date instead of date, ofid. I can't tell if you have
>> any other queries for which the existing column order is preferable,
>> though.
>>
>> regards, tom lane
>
>
> Changing the order of the WHERE predicates didn't help.
He's talking about the index definition, not the WHERE clause. The
order of the WHERE clause is totally irrelevant.
...Robert