PostGIS provider cannot delete a feature class

[cwilbur]

Using an FdoFeatureSchema pSchema from the connection's schema collection, the following code should drop the feature class table (and the associated feature id sequence, if any):

// remove the class from the schema
FdoPtr<FdoClassCollection> pClassColl = pSchema->GetClasses();
FdoPtr<FdoClassDefinition> pClass =
        pClassColl->FindItem(strFullClassName);
if ( pClass )
{
        pClass->Delete();

        // Create the ApplySchema command
        FdoPtr<FdoIApplySchema> pApplySchemaCmd = dynamic_cast<FdoIApplySchema*>(
                m_connection->CreateCommand(FdoCommandType_ApplySchema) );

        // Set the schema and execute the apply schema command
        pApplySchemaCmd->SetFeatureSchema(pSchema);
        pApplySchemaCmd->Execute();
}

Whether the table needs to be empty seems to be under some debate currently. Regardless, the PostGIS provider does not possess this functionality at all.

[cwilbur]

Draft attempt at fix

[cwilbur]

The DropTableDraft patch is only to provoke discussion - it is definitely not ready to be submitted. I may be pulled away from work on the provider shortly and I wanted to make sure the work I had done so far was captured in case anyone else wanted to tackle this one before I get back to it.

[mloskot]

See also big patch submitted for review as #318

[mloskot]

Patch has been applied to the trunk (r3904). I'm closing it as fixed. Please, reopen if something is still not working well.