Re: TPCH Benchmark query result invalid

On Dec 13, 2006, at 1:23 , Tom Lane wrote:

> Richard Huxton <dev@archonet.com> writes:
>> richardh=# SELECT  interval '3' month;
>>   interval
>> ----------
>>   00:00:00
>> (1 row)
>
>> It's got a zero-length date-range it's comparing against. If you have
>> interval '3 months' that should work, but I'm afraid I haven't got  
>> time
>> to check against the specs to see what the correct format should be.
>
> I think this syntax is supposed to work according to the SQL spec.   
> Tom
> Lockhart was fooling around with making that stuff spec-compliant  
> before
> he left the project, and no one has bothered to pick it up since :-(.
> Perhaps everyone thinks the spec syntax for interval constants is so
> bizarre and non-orthogonal it's not worth dealing with ...

Well, for what it's worth, I'm interested. I wasn't aware of this  
particular problem, and I can't say when I'll get around to doing  
something about it, but now I've at least written it down on my  
personal todo.

Michael Glaesemann
grzm seespotcode net