On Monday, October 7, 2013 11:34:53 PM UTC-7, Niphlod wrote:
>
> sql-wise, that query of yours will have to scan the entire table to find
> records, because you're applying a function to a date. Even if you think to
> put an index on logtime, the result won't change.
> thanks to god, you have datetime in python :D
>
Well, working with a DB with even just 20000 entries is a new experience
for me (in the classroom, 40 entries is a big virtual supermarket) :-}
> now_1 = request.now.date() - datetime.timedelta(days=1)
> now_2 = request.now.date() - datetime.timedelta(days=2)
>
> results = db(
> (db.logtable.logtime < now_1) &
> (db.logtable.logtime > now_2)
> ).select(orderby=~db.logtable.logtime)
>
I should be able to learn a little more from this example :-D
/dps
>
> On Tuesday, October 8, 2013 3:44:44 AM UTC+2, Dave S wrote:
>>
>> I have figured out that I'm interested in queries like
>>
>> results = db.executesql("SELECT * FROM logtable where logtime <
>> date('now','-1 day') AND logtime > date('now','-2 days') ORDER BY logtime
>> DESC") ;
>>
>>
>> How would I rewrite that as DAL query?
>>
>> Thanks.
>>
>> /dps
>>
>>
>>
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