Thanks guys. Richard your fix didn't seem to work. But it's got me in
the right direction :) Time to RTFM ;)
Cronje
On Tue, 2006-12-12 at 15:05 +, Richard Huxton wrote:
> Cronje Fourie wrote:
> > When running the following query against a TPCH db I get 0 results
> > returned
>
> > and
On Dec 13, 2006, at 1:23 , Tom Lane wrote:
Richard Huxton 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
Alvaro Herrera wrote:
Marcin Stępnicki wrote:
Now I need to create a query to find hours at which each of the type can
start. So, if it's event A (which take 15 minutes) it can start at:
8:00 (to 8:15)
8:15 (to 8:30)
( 8:30 to 8:45 is already taken )
8:45 (to 9:00)
9:00 (to 9:15)
9:15 (to 9
Marcin Stępnicki wrote:
> Now I need to create a query to find hours at which each of the type can
> start. So, if it's event A (which take 15 minutes) it can start at:
>
> 8:00 (to 8:15)
> 8:15 (to 8:30)
> ( 8:30 to 8:45 is already taken )
> 8:45 (to 9:00)
> 9:00 (to 9:15)
> 9:15 (to 9:30)
> ( 9
Richard Huxton wrote:
Marcin Stępnicki wrote:
start | finish | type_id
--++
8:30 | 8:45 |1-> type A
9:30 | 10:00 |2-> type B
I have to deal with the existing schema, but if it can be done in a
better way please let me know so I could avoid mistakes in
Marcin Stępnicki wrote:
start | finish | type_id
--++
8:30 | 8:45 |1-> type A
9:30 | 10:00 |2-> type B
I have to deal with the existing schema, but if it can be done in a
better way please let me know so I could avoid mistakes in my own programs
(altho
Hello.
I've been struggling with this one for over a week, but for some reason my
mind isn't compatibile with the problem - it seems simple, yet I'm unable
to find the proper solution :(.
I have a timeline divided to 15 minute periods:
start |
--+
8:00 |
8:15 |
8:30 |
8:45 |
(...)|
14
Richard Huxton 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
Cronje Fourie wrote:
When running the following query against a TPCH db I get 0 results
returned
and o_orderdate < date '1993-07-01' + interval '3' month
That's the problem line.
richardh=# SELECT interval '3' month;
interval
--
00:00:00
(1 row)
It's got a zero-length da
When running the following query against a TPCH db I get 0 results
returned
select
o_orderpriority,
count(*) as order_count
from
orders
where
o_orderdate >= date '1993-07-01'
and o_orderdate < date '1993-07-01' + interval '3' month
and exists (
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