Re: How come index isn't being used when query by function return

It is STABLE, which I finally figured out. I had to find section 31.6
of the docs, which is nowhere near the part about writing functions.

Merlin Moncure wrote:
> On 7/13/06, Joseph Shraibman <jks(at)selectacast(dot)net> wrote:
>> db:db=>explain select * from elog where id = eds('2006-01-01');
>> QUERY PLAN
>> -------------------------------------------------------------------------------------------
>>
>> Seq Scan on elog (cost=0.00..1894975.10 rows=1 width=204)
>> Filter: (id = eds('2006-01-01 00:00:00'::timestamp without time
>> zone))
>> (2 rows)
>
> is eds immutable function?
>
> Merlin
>
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