Great; I appreciate it.
Do you still want me to open a ticket with a suggestion for an enhancement?
Regards,
Michael
On Monday, September 10, 2012 5:29:12 PM UTC-6, Massimo Di Pierro wrote:
>
> Anyway, I changed the code in trunk so that the example in the book works
> as described.
>
> On Monday, 10 September 2012 17:27:01 UTC-5, Massimo Di Pierro wrote:
>>
>> There is a mistake in the book. It should have been:
>>
>> rows = db(db.person).select(db.person.ALL, db.dog.ALL, join=db.dog.on(
>> db.person.id==db.dog.owner))
>>
>> or
>>
>> rows = db(db.person).select(db.person.ALL, db.dog.ALL, left=db.dog.on(
>> db.person.id==db.dog.owner))
>>
>> Perhaps is should default to select all fields as he book suggests. I
>> will look into this. Please open a ticket with a suggestion for enhancement.
>>
>> On Monday, September 10, 2012 4:58:25 PM UTC-5, MichaelF wrote:
>>>
>>> I have a db structure similar to the person/dog tables in section "6.21
>>> One to many relation." I try the inner join (second form, from the book):
>>>
>>> 1 >>> rows = db(db.person).select(join=db.dog.on(db.person.id
>>> ==db.dog.owner))
>>> 2 >>> for row in rows:
>>> 3 print row.person.name, 'has', row.dog.name
>>> 4 Alex has Skipper
>>> 5 Alex has Snoopy
>>> 6 Bob has Puppy
>>>
>>> In my db the 'person' table is 'Meet', and 'dog' is 'Session'. Here's
>>> what I used:
>>>
>>> meetAndSession = db(db.Meet).select(join=db.Session.on(db.Meet.id ==
>>> db.Session.Meet))
>>>
>>> I get back the 'person' ('Meet') fields, but not the 'dog' ('Session')
>>> fields. For the Meet.Session field I get back a Set object. Should I be
>>> using that as the set of Session records associated with the Meet record.
>>> (I tried to reference row.Meet.Session.id, but got told there was no
>>> such field. I also tried row.Session.id and got told the same thing.)
>>> As the example shows row.dog.name, shouldn't I have a
>>> row.Session.<fieldName>?
>>>
>>> Here's what "db stats" tells me it used:
>>>
>>> SELECT Meet.id, Meet.Meet_name, Meet.Start_date, Meet.End_date,
>>> Meet.Is_championship FROM Meet JOIN Session ON (Meet.id = Session.Meet)
>>> WHERE (Meet.id > 0);
>>>
>>>
>>> Given that, of course I'm getting no 'dog' ('Session') fields. What am I
>>> missing?
>>>
>>>
>>> Thanks.
>>>
>>>
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