> > > Had some difficulties to find the right place to intercept errors, > > especially because WHERE clause is tested only after the selected layers > > are added to list of layers. > > how about adding the layer just after the featurecollection was created > and added to it successfully, not before? >
I did not feel confident enough with my Java and OJ understanding to touch these parts of the code :) > > > There are also 2 kinds of errors that can occur: > > • A wrong WHERE clause is entered for a datasource > > • A bad database layout, invalid DB types or other SQL-related error: in > > this case, the layer is already added to OJ, with just a warning > displayed > > in the status bar: the layer is invalid, but still there in layer panel. > > One have to manually remove it. > > see above > > > I think a more visible error handling would be valuable: like an error > > message popup. > > ideally, the workframe errorhandler popup should be shown and the wizard > should stay open to fix it. > > > Yes, should be the right handling. I will look at it. Nico
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