Hi Michaël,

Thanks for the insight.

I'm currently refactoring a bit the SpatialDatabases code.
The error you pointed out showed me some problems with current code, and as
you noted, I have to instantiate a correct, concrete class for each
detected DSConnection.

I'm finalising my todo list, but right now, FilterQuery and AdhocQuery can
be ran on Postgis, Oracle, MySQL and Spatialite databases the same way.

I'm currently finishing the support for Spatialite, that can be tricky:
geometry column can contain WKT, WKB or native Spatialite binary format.
Still have to correct the ValueConvert to correctly detect and convert each
type.

MySQL support is added with support for both WKB storage, internal binary
storage (code from DBQuery).
Layer extent is now correctly retrieved but has to be tested on big
datasets (it merely uses a textual aggregation of all geometries to build
the resulting envelope).

I think I will be able to commit fixes soon.

I'm stuck, though, on the problem Jukka mentioned: if you add a wrong where
clause to the layer to load, error is detected in
the com.vividsolutions.jump.workbench.ui.renderer.ImageCachingRenderer(
line 90) where the error message is displayed in Window toolbar.
I can display an ErrorDialog with SQL error, but do not know how to cleanly
remove the layer from the panel.

Nicolas


On 12 December 2015 at 15:29, Michaël Michaud <m.michael.mich...@orange.fr>
wrote:

> Hi Nicolas,
>
> I had a look but did not find an easy way to fix the problem.
>
> In SpatialDatabasesDSConnection you added a comment that it is no more
> necessary to subclass to PostGIS...
>
> On the other hand,
> - SpatialDatabasesDSConnection instantiates
> - SpatialDatabasesResultSetConverter which in turn instantiates
> - SpatialDatabasesFeatureInputStream which instantiates
> - SpatialDatabasesResultSetConverter  which instiates a new
> - SpatialDatabasesValueConverterFactory
>
> The getConverter method of the later just return null which seems the root
> cause
> of my NPE.
>
> Seems like the concrete class should still be a subclass of
> SpatialDatabasesDSConnection.
> What do you think ?
>
> Another (maybe related) question : In the component to connect a new
> database, there
> is a combobox with a single value "PostGIS".  Should we add other drivers
> in order to
> instantiate proper connection for each driver. There is commented code
> from you in
> JumpConfiguration class showing that you already have implemented such a
> solution
> in the past)
>
> Michaël
>
> Le 08/12/2015 10:30, Nicolas Ribot a écrit :
>
> Hi Michaël,
>
> I will look at it.
>
> Nicolas
>
> On 7 December 2015 at 23:12, Michaël Michaud <m.michael.mich...@orange.fr>
> wrote:
>
>> Hi
>>
>> Waw, thanks for this refactoring Nicolas !
>>
>> Just noticed the following regression
>>
>> in the File > Execute Query plugin
>> If I try to query a postgis table as I did before, I get the following
>> NPE :
>> java.lang.NullPointerException
>>     at
>> com.vividsolutions.jump.datastore.spatialdatabases.SpatialDatabasesResultSetConverter.init(SpatialDatabasesResultSetConverter.java:72)
>>
>> The same NPE occurs with the read/write postgis driver
>>
>> Any idea ?
>>
>> Michaël
>>
>>
>> Le 07/12/2015 18:16, Nicolas Ribot a écrit :
>>
>> Hi,
>>
>> Oracle Spatial support has been added to OJ core (read-only).
>> It works the same way as Postgis support: define a DB connection to
>> Oracle and choose spatial layers from the list of found layers to display
>> them in OJ
>>
>> Oracle 9i -> 12c supported (though only tested recently with Oracle 11i
>> and 12c).
>>
>> The SpatialDatabases plugin also contains code to support MariaDB/MySQL
>> and Spatialite. (SQL Server in the pipe...)
>>
>> I was thinking about adding this code to the core, too.
>> What do you think ?
>>
>> Nicolas
>>
>>
>>
>>
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