Hi,
any tips on what should i be using to sort a sql table when user click
in
headers? Thanks!
Regrds,
Miguel Ángel.
El 01/05/12 07:13, Bo Thorsen escribió:
> Hi,
>
> My advice is to ditch QSortFilterProxyModel completely. It's great for
> models that can be held in memory. But for SQL models, it sucks.
>
> Bo.
>
> Den 30-04-2012 19:02, Linos skrev:
>> Hi,
>> i have a QTableView with a QSortFilterProxyModel using a QSqlQueryModel
>> as
>> source model, i am using Qt 4.8.1 in Linux x86_64.
>>
>> if i don't apply sort to any of the columns of the table and execute a new
>> .select() on the QSqlQueryModel it does the usual and only call .data method
>> for
>> the visible rows after the new data has been populated but if i have the
>> table
>> sorted by any column the data method gets called 56000 times for a 1000 row
>> table ever using indexes of the sorted col, i can understand that it is
>> sorting
>> at the same it is creating indexes and data.
>>
>> The problem it is i can't get it to ignore sorting to do manually after the
>> new
>> data is populated in the model. i have tried this:
>>
>> 1) call table.setSortingEnabled(False) (with
>> proxyModel.setDynamicSortFilter()
>> using true and false)
>> 2) call proxyModel.invalidate() before model.select()
>> 3) call proxyModel.reset() before model.select()
>>
>> I can't think other way to make this right now, i could set a fake model as
>> source for the proxymodel before call select in model and set the original
>> model
>> after that but it seems awkward to me, should be a better way, so any help
>> please? :)
>>
>> Regards,
>> Miguel Angel.
>> _______________________________________________
>> Interest mailing list
>> Interest@qt-project.org
>> http://lists.qt-project.org/mailman/listinfo/interest
>
>
> Bo Thorsen,
> Fionia Software.
>
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