[Qgis-developer] Error for postgres's provider when table(statement SELECT ) is outside public's schema

Noli Sicad nsicad at gmail.com
Thu Dec 16 17:25:59 EST 2010


Hi Ricardo.

I still have problem with the "save new layer to database".

"The SQL query seems to be invalid.

no such function: SRID"

The error is still:


"/home/noli/.qgis/python/plugins/customdbquery/CustomDBQueryDialog.py",
line 299, in add_spatialite_geometry_column
    srid = rowList[0][0]
IndexError: list index out of range


Noli

On 12/17/10, Ricardo Filipe Soares Garcia da
<ricardo.garcia.silva at gmail.com> wrote:
> I agree with everything :)
> It will eventually get done.
>
> Cheers
>
> On Thu, Dec 16, 2010 at 8:59 PM, Noli Sicad <nsicad at gmail.com> wrote:
>> Hi Ricardo,
>>
>> Thanks for explaining these things.
>>
>> The default of Spatialite uses "Geometry" and "PK_UID" as you can see
>> test-2.3.sqlite. All spatialite databases immigrated using the
>> utilities of spatialite have "Geometry" and "PK_UID" as default. You
>> can also see it in the Spatialite Tutorials.
>>
>> http://www.gaia-gis.it/spatialite/spatialite-tutorial-2.3.1.html#t1
>>
>> As suggestion, if you don't mind, probably you can change the default
>> to "Geometry" and "PK_UID" to avoid confusion especially for the new
>> users. However, you also put a checkbox option if you like.
>>
>> I think it would be nice to some documentation in plugin.
>>
>> e.g. PRAGMA TABLE_INFO(table_name) to view table before you start
>> using the plugin. The probably a link to this Spatialite Tutorials
>> (i.e. http://www.gaia-gis.it/spatialite/spatialite-tutorial-2.3.1.html#t1
>> ).
>>
>> Thanks.
>>
>> Noli
>>
>>
>> On 12/17/10, Ricardo Filipe Soares Garcia da
>> <ricardo.garcia.silva at gmail.com> wrote:
>>> Hi Noli, Guiseppe, all
>>>
>>> I downloaded the spatialite sample database and ran your query.
>>> I could run it fine without the errors you mention. The problem here
>>> seems to be that I still need to write some documentation on how to
>>> use the plugin so that you (the user) can know how to operate it
>>> correctly ;)
>>>
>>> I will improve the Help page of the plugin in order to clarify these
>>> issues.
>>>
>>> As for your specific problem:
>>>
>>> the SQL query you are using is:
>>>
>>> Select * from Regions where NAME = 'VENETO'
>>>
>>> - If you only intend to visualize the results in the 'result' tab of
>>> the plugin, without loading to map canvas, it works fine just like
>>> this.
>>>
>>> - BUT, If you want to load the result of the query to the map canvas,
>>> you must ensure that the 'Geometry column' and 'Identifier column'
>>> text boxes are showing the correct values for your specific tables.
>>> Using a spatialite db, I've set the default values for these text
>>> boxes as 'geometry' and 'pkuid', but you need to confirm if your data
>>> are using these names as well. In this case, the correct values should
>>> be 'Geometry' and 'PK_UID'.
>>> You can check the names of the columns in an sqlite table by using the
>>> spatialite manager, or by running the following query:
>>>
>>> PRAGMA TABLE_INFO(table_name)
>>>
>>> If you use the wrong geometry and identifier values you may (or may
>>> not) still be able to visualize your data over the map canvas but the
>>> attribute values will come as ERROR.
>>>
>>>
>>> As for the deletion of tables from the spatialite db, there isn't a
>>> nice way of doing this. To the best of my knowledge you still have to
>>> manually create the SQL DROP TABLE... statement and also remove the
>>> triggers and geometry info from spatialite by running the SQL SELECT
>>> DiscardGeometryColumn...
>>> I think this feature will come around sooner or later. It belongs to
>>> the (spatialite)manager plugin, and, even if I miss it as well, I
>>> don't think it should be implemented in the custom db query plugin.
>>>
>>> Cheers
>>
>
>
>
> --
> ___________________________ ___ __
> Ricardo Garcia Silva
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