Feature request #16040
Updated by Regis Haubourg almost 7 years ago
Relation reference widget does not allow to spatially filter potential related features. (that widget [[https://issues.qgis.org/attachments/9427/emeded_form_relationreferenz.jpg]] )
Filtering by expression instead of simple fields would allow to call functions such as
<pre>
intersects( $geometry , geomFromWKT( $current_canvas_extent ))
</pre>
That would allow a dropdown list reduced to a few neighbouring features. Currently it loads the whole layer, and can kill QGIS.
a native checkbox to filter by canvas would be also good for average users
Filtering by expression instead of simple fields would allow to call functions such as
<pre>
intersects( $geometry , geomFromWKT( $current_canvas_extent ))
</pre>
That would allow a dropdown list reduced to a few neighbouring features. Currently it loads the whole layer, and can kill QGIS.
a native checkbox to filter by canvas would be also good for average users