Re: Error trying to create a functional index. - Mailing list pgsql-sql

Hi,

Jochem van Dieten wrote:

> CoL wrote:
> 
>> Steve: of course you can make functional indices:
>>
>> So why this not workin???? (not workin for me 2 too, pg 7.1.3)
>> "CREATE INDEX eventdateindex ON event (date_trunc('day', eventstamp));"
>>
> 
> Wouldn't your problem be that 'day' is a constant?
> Jochem

sure it is, but date_trunc takes this, so what is the way to create a date_trunc part or any 

date function index on a timestamp?

Or it's not possible?

CoL