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.
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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