additional check for non-registered postgis tables (courtesy of jrmid…

…kiff)

geopetl/postgis.py

@@ -602,6 +602,11 @@ def geom_field(self):
                         stmt = '''select f_geometry_column as column_name from geometry_columns 
                                                 where f_table_name = '{table_name}' and f_table_schema = '{table_schema}' '''.format(table_name=self.name, table_schema=self.schema)
                         target_table_shape_fields = self.db.fetch(stmt)
+		# Could be an odd situation where we have a non-registered table, but the table still has postgis geometry.
+                if self.db.is_postgis_enabled and not target_table_shape_fields:
+                    stmt = '''select f_geometry_column as column_name from geometry_columns 
+						where f_table_name = '{table_name}' and f_table_schema = '{table_schema}' '''.format(table_name=self.name, table_schema=self.schema)
+                    target_table_shape_fields = self.db.fetch(stmt)
 
             elif self.db.is_postgis_enabled: 
                 # this query should work for both postgis mview and table