I have just tried it on a different OS X machine (but same version of the
OS), and did not see the problem. And I didn't see it on pythonanywhere,
so I guess it is just that one machine.
- Scott
On Wednesday, December 14, 2016 at 2:03:10 PM UTC-5, Anthony wrote:
>
> Sorry, I cannot reproduce running on Ubuntu -- both printouts as well as
> the first page of the grid (after sorting on Myfield2) all have the same 20
> records when I run it. Maybe someone else can try it on OSX. What happens
> if you run the OSX binary version of web2py?
>
> Anthony
>
> On Tuesday, December 13, 2016 at 6:43:57 PM UTC-5, Scott Hunter wrote:
>>
>> If I make a fresh, new app from the Administrative Interface, and replace
>> the contents of default.py with the following, it will print the first 20
>> records that should show up in the grid, first without using limityby (and
>> using a counter to stop at 20), and then with limityby; the second is
>> missing records from the first, and matches what appears on the first
>> sorted page of the grid.
>>
>> {The main contents of views/default/index.html need to be replaced with
>> {{=form}} as well, to see the grid)
>>
>> import random
>> def index():
>> db.define_table('mytable', Field('myfield1', 'string'),
>> Field('myfield2', 'string'))
>>
>> f2is1_ids = [x.id for x in db(db.mytable.myfield1=="A").select(
>> db.mytable.id)]
>> if len(f2is1_ids)==0:
>> db.mytable.truncate()
>> for v1 in random.sample(xrange(10000),200):
>> for v2 in random.sample("ABCDE",3):
>> db.mytable.insert( myfield2="Value%05d"%v1, myfield1=v2 )
>> f2is1_ids = [x.id for x in db(db.mytable.myfield1=="A").select(
>> db.mytable.id)]
>> query = db.mytable.id.belongs(f2is1_ids)
>> i = 0
>> for d in db(query).select(orderby=db.mytable.myfield2):
>> print "%5d"%d.id, d.myfield1, d.myfield2
>> i += 1
>> if i==20:
>> break
>> print"---"
>> for d in db(query).select(orderby=db.mytable.myfield2,limitby=(0,20)):
>> print "%5d"%d.id, d.myfield1, d.myfield2
>> args = { 'orderby':db.mytable.myfield1, 'editable':False,
>> 'deletable':False}
>> form = SQLFORM.grid(query, csv=False, details=False,
>> searchable=False, create=False,
>> paginate = 20,
>> orderby=db.mytable.myfield1, editable=False, deletable=False)
>> return locals()
>>
>>
>> On Tuesday, December 13, 2016 at 3:01:19 PM UTC-5, Anthony wrote:
>>>
>>> While including id may make a difference in general, it should (and did)
>>>> not in this case: the reason for the long belongs list is that queries are
>>>> made to insure that no 2 records with the same Dog_ID appear in that list.
>>>>
>>>
>>> Sorry, I didn't notice that the first field in your print statements was
>>> f_Dog_ID (thought it was just the id field).
>>>
>>> Anyway, it's not clear what the problem is. I suggest you pack and
>>> attach a minimal app that exhibits the behavior.
>>>
>>> Anthony
>>>
>>>>
--
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