Loads an XML description into this.
This method is still experimental and no description the XML file structure is given, and no guarantee that it will remain as it is given.
| this |
a MetaStruct object |
| catalog |
the catalog name, or null |
| schema |
the schema name, or null |
| xml_spec_file |
the specifications as the name of an XML file |
|
TRUE if no error has occurred |