=?ISO-8859-1?Q?Kirill_M=FCller?= <kirill(dot)mueller(at)ivt(dot)baug(dot)ethz(dot)ch> writes:
> On 01/12/2012 01:34 AM, Tom Lane wrote:
>> This is probably an indication of eqjoinsel_semi doing the wrong thing;
>> we've whacked that estimator around a few times now, so it's hard to
>> know whether this represents an already-fixed bug or not. What PG
>> version are you using exactly?
> muelleki(at)xxx:~$ psql
> psql (8.4.8)
There were fixes for that in 8.4.9, so I'd be interested to know if you
get a better estimate in a more up-to-date version.
regards, tom lane