On Wednesday, January 3, 2018 at 10:48:32 PM UTC-8, Maurice Waka wrote:
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> I have the following code for my DB:
> dbmyhealth.define_table("health",
> Field('name', 'string'),
> Field('definition', 'text', length= 1000000,),
> Field('abnval', 'text', length= 1000000,),
> Field('normval', 'text', length= 1000000,),
> Field('administration', 'text', length=
> 1000000,),
> Field('screening', 'text', length= 1000000,),
> Field('causes', 'text', length= 1000000,),
> migrate = False)
>
> rows = dbmyhealth().select(dbmyhealth.health.ALL)
> for row in rows:
> location0 = row.name
> location1 = row.definition
> location2 = row.abnvalinterpret
> location3 = row.normvalinterpret
> location4 = row.administration
> location5 = row.screening
> location6 = row.causes
> corpus = [location1 , location2, location3, location4, location5,
> location6]
>
> I want to select an item, including all the fields from the abnval to the
> causes,not randomly but based on the ID or the name. If I use the limitby
> constraint,I can get either the first, second, or last item based on the
> selection used. If I use the below code, I get only the first item, which
> is everything based on obesity. I want to select any item with every query
> using either an ID or the names below e.g.
> A code like:
> for row in rows:
> if id == 2
> code..
> corpus = [location1 , location2, location3, location4,
> location5, location6]....in this case my corpus will have everything on
> cardiomyopathy using the table details below.
>
> id name
> 0. diabetes
> 1. hypertension
> 2. cardiomyopathy
> 3. copd
> 4. obesity
>
> So how do I code it to obtain my answer
> Kind regards
>
>
Wouldn't that be either of
rows = dbmyhealth(dbmyhealth.health.id == 2).select()
or (if you were doing more with the query)
query = dbmyhealth.health.id == 2
rows = dbmyhealth(query).select()
?
(I didn't put in a first() because there's only 1 row with id == 2.)
<URL:http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#Query--Set--Rows>
/dps
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