Thanks for answering,
- The process crashes indeed when addresses_manage is loaded (in fact the
browser itself freezes waiting a bit, then after +-30 sec the web2py
process crashes).
- About "f_representationfield", db.t_codespostaux is a table with four
columns: f_postcode|f_city|f_country|f_representationfield, where
f_representationfield contains (concatenated) postcode+city+country. Reason
for that column: the table was imported with the 3 first columns, then
since there might be identical postcodes for two countries, people should
directly see and select postcode+city+country when encoding an addresses,
and I thought that avoiding having the concatenation made by web2py could
improve the performance.
- Indeed I did not indexed that field, good point it cannot hurt, I will
try it and come back here with the result, but I had not tried that before
since performing the SQL directly on the sqlite db was rather quick.
- Your hypothesis that the problem might come from the widget seems likely
to be true to me, I will try it now and report here the result.
All the best,
Jota Pin
Le samedi 15 décembre 2018 02:19:48 UTC+1, Anthony a écrit :
>
> What is db.t_codespostaux.f_representationfield (it's not in your model),
> and most importantly, have you created a database index on that field (will
> help with the autocomplete search)?
>
> Exactly at what point does the process crash -- as soon as you load the
> addresses_manage page? If so, I suspect the problem might be the grid
> search widget, which by default will attempt to generate all the options
> for reference fields. To avoid that, I think it will work to manually
> create the reference field validator and put it in a list:
>
> Field('f_codepostal', 'reference t_codespostaux',
> requires=[IS_IN_DB(db, 't_codespostaux.id')])
>
> That will also suppress the default select widget in forms, even if you
> don't explicitly specify the autocomplete widget as you have.
>
> Anthony
>
> On Friday, December 14, 2018 at 6:58:42 PM UTC-5, Jota Pin wrote:
>>
>> Dear all,
>>
>>
>> [I posted my first message some days ago and did not saw it appearing on
>> the list, so I re-post, sorry]
>>
>>
>> I am developing a small-scale app, basically for +-15 users with tables
>> around 1000-10000 lines, except for one: post-codes (500000). The app works
>> fine with up to ~5000 postcodes, but with the real table, it simply crashes
>> the web2py process. Being small-scale, I suppose that using the "defaults"
>> is enough (the embedded rocket server, ubuntu 16.04, sqlite). Is there a
>> simple solution by modifying the model/controller, or is this about
>> switching to nginx?
>>
>>
>> A) The model: (for the two concerned tables, simplified to not flooding
>> you with details, "codespostaux" are the post-codes):
>>
>> db.define_table('t_adresses',
>> Field('f_codepostal', type='reference t_codespostaux', notnull=True,
>> label=T('Codepostal')),
>> migrate=settings.migrate)
>> db.t_adresses.f_codepostal.widget = SQLFORM.widgets.autocomplete(request,
>> db.t_codespostaux.f_representationfield,
>> id_field=db.t_codespostaux.id,limitby=(0,10),
>> min_length=2)
>>
>> db.define_table('t_adresses_archive',db.t_adresses,Field('current_record','reference
>>
>> t_adresses',readable=False,writable=False))
>>
>> db.define_table('t_codespostaux',
>> Field('f_codepostal', type='string',
>> label=T('Codepostal'),
>> format='%(f_codepostal)s',
>> migrate=settings.migrate)
>>
>> db.define_table('t_codespostaux_archive',db.t_codespostaux,Field('current_record','reference
>>
>> t_codespostaux',readable=False,writable=False))
>>
>> B) The Controller:
>> def adresses_manage():
>> form =
>> SQLFORM.smartgrid(db.t_adresses,onupdate=auth.archive,csv=False)
>> return locals()
>>
>>
>>
>> Best regards,
>>
>> Jota
>>
>
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