code: @Override
  	public int getColumnType(int column) throws RemoteException {
  		String fldname = getColumnName(column);
  		return schema.type(fldname).getSqlType();
  	}
docs: Returns the type of the specified column. The method first finds the name
  of the field in that column, and then looks up its type in the schema.
  
  @see org.vanilladb.core.remote.jdbc.RemoteMetaData#getColumnType(int)