Re: [SQL] Cross Tab Functions

I wrote a real simple trunc() function fashioned after oracles but
used some simple rules to let me have modulo date_trunc. I don't have
the code anymore. I might sit down and refigure it out...

On Fri, Jun 20, 2008 at 8:54 PM, Decibel! <decibel@decibel.org> wrote:
> Try using extract instead of to_char. date_trunc might also be of use.
>
> On Jun 20, 2008, at 8:05 AM, Chris Preston wrote:
>
>> Hello All,
>> I have used the cross tab function to setup tables that display months'
>> data, however i need to display years data instead of the months.. so i
>> would display 2006 as a column, 2007 as a colum and 2008 as a column. when i
>> tried to modify the simple example of the cross tab (shown below)
>> SELECT i.item_name::text As row_name, to_char(if.action_date,
>> 'year')::text As bucket,
>> SUM(if.num_used)::integer As bucketvalue
>> FROM inventory As i INNER JOIN inventory_flow As if
>> ON i.item_id = if.item_id
>> WHERE (if.num_used <> 0 AND if.num_used IS NOT NULL)
>> AND action_date BETWEEN date '2007-01-01' and date '2008-12-31 23:59'
>> GROUP BY i.item_name, to_char(if.action_date, 'year'), date_part('year',
>> if.action_date)
>> ORDER BY i.item_name, date_part('year', if.action_date);
>>
>> basically i changed the mon and the month to be year.. the system
>> displayed something that i am not sure about. is there a command that
>> converts the year similar to the mon
>>
>> Help again...Please
>
> --
> Decibel!, aka Jim C. Nasby, Database Architect decibel@decibel.org
> Give your computer some brain candy! www.distributed.net Team #1828
>
>
>

--
Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-sql