[Qgis-user] Problems with data types in joined tables

[Goyo]

2013/3/14 Antonio Vico <avicomartin at gmail.com>:
> On 14/03/13 22:14, Goyo wrote:
>
> I try to join a layer with geometry type and another without and make querys
> in the conjunt. For example, a layer with
> states and a table with population. In the joined layer, I can query about
> states with population > 5000 or population between 5000 and 10000.
>
> If baviour of field population is like text, querys like "population > 5000"
> done wrong results.
>
> Define a view done is valid for a unique query and I try to be able to user
> without knoweledge in sql make querys easyli with Attribute table in joined
> layers.

I don't understand how a view is valid only for a unique query, the
user can query the view as many times as she want. She can even add
the same view several times and query each instance in a different
way.

Goyo