Tries to locate the #GdaMetaDbObject structure representing the database object named after catalog, schema and name.
If one or both of catalog and schema are null, and more than one database object matches the name, then the return value is also null.
the catalog the object belongs to (as a G_TYPE_STRING GValue), or null
the schema the object belongs to (as a G_TYPE_STRING GValue), or null
the object's name (as a G_TYPE_STRING GValue), not null
the #GdaMetaDbObject or null if not found
Tries to locate the #GdaMetaDbObject structure representing the database object named after catalog, schema and name.
If one or both of catalog and schema are null, and more than one database object matches the name, then the return value is also null.