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<p>Hi Yves,</p>
<p>Thanks for your reply. What drop down list are you talking about? In what menu/dialogue/context menu?</p>
<p>Andreas</p>
<p>On 2016-03-02 16:39, Yves Jacolin wrote:</p>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">Andreas,<br /><br /> I though that you can edit the request of your virtual layer. In the drop down <br /> list you c an choose the one to change.<br /><br /> Am I wrong?<br /><br /> Y.<br /> On Wednesday, March 02, 2016 16:27:07 Neumann, Andreas wrote:
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0">Hi,<br /><br /> I am experimenting with the virtual layers. They are quite cool!<br /><br /> I have some suggesions/questions:<br /><br /> * It would be nice to have a preview of my query results. Currently it<br /> is either it works - or not. If it works, but the results are wrong you<br /> have to start from scratch. I would suggest that when you press on the<br /> test button you would not only display "No error" or the error message,<br /> but maybe the first 10 rows of the result.<br /> * Updating the virtual layer: it would be really nice if I could<br /> edit/improve on my virtual layers without having to start completely<br /> from scratch. --> Oh - now I found out that if you select an existing<br /> virtual layer and then use "Layer" --> "Add Layer" --> "Add Virtual<br /> Layer", that you can refresh an existing virtual layer. This is really<br /> not obvious. I think this is more a usability issue.<br /> * it is not very obvious how you can reuse an already existing<br /> geometry column. I discovered it by accident, that you can use<br /> layer.geometry (regardless of the original name of the geometry column),<br /> but I think that it is not obvious. A better hint in the the tooltip<br /> would probably help.<br /> * Unique identifier column: If you join several tables, you often have<br /> the issue that you need to create an artificial primary key. Could we<br /> offer a preconfigured builtin pkey - something like a rowid for such<br /> cases?<br /> * What is the exact purpose of the "Embedded Layers" where you can<br /> add/import/remove layers? I noticed that existing layers of the project<br /> work anyway without adding/importing them first. Is the idea that you<br /> can work on layers that aren't in the project?<br /><br /> Should I open feature request tickets for these or are there already<br /> plans to address one or the other of the above issues?<br /><br /> Thanks anyway for this interesting new feature!<br /><br /> Andreas</blockquote>
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