[fdo-internals] King.Oracle & PostGIS provider failed with
traian.stanev at autodesk.com
Wed May 27 11:33:23 EDT 2009
In my case it was because the OGR provider doesn't support SpatialExtents, and the table being added as layer in Map3D had a null geometry in one feature. Map3D attempts to compute the extents of the layer by itself, in case the provider doesn't support SpatialExtents, and was throwing that same error when it encountered the null geometry (and tried to dereference the pointer).
Another problem that may generate a similar error is if from your DescribeSchema you return feature classes with NULL ClassCapabilities. This is the fix I did for the OGR (and SQLite) provider to avoid that particular problem:
FdoPtr<FdoClassCapabilities> caps = FdoClassCapabilities::Create(*m_fc);
If the feature classes you return from DescribeSchema happen to not have an initialized capabilities object, you will also get that error.
From: fdo-internals-bounces at lists.osgeo.org [mailto:fdo-internals-bounces at lists.osgeo.org] On Behalf Of Bruno Scott
Sent: Wednesday, May 27, 2009 4:14 AM
To: fdo-internals at lists.osgeo.org
Subject: RE: [fdo-internals] King.Oracle & PostGIS provider failed with Empty tables
I've just made some testing to check the spatialextents,
It does even not call the spatialextents function.
I only see the initial select that return 0 records
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