> [EMAIL PROTECTED] writes:
>>    ->  Index Scan using rt1_zipr, rt1_zipl on rt1  (cost=0.00..121893.93
>> rows=30835 width=302)
>>          Index Cond: ((zipr = 2186) OR (zipl = 2186))
>
>>  zipl      |        925 |
>>  zipr      |        899 |
>
> Those n_distinct values for zipl and zipr seem aberrant --- too low
> compared to the estimated rowcount you're showing.  What are the
> true figures?  Also, how about some EXPLAIN ANALYZEs and not just
> EXPLAINs?
>
>
                                    ^
tiger=# select count(distinct(zipr)), count(distinct(zipl)) from rt1 ;
 count | count
-------+-------
 35133 | 35393
(1 row)



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