parameters: (column_map, group, simple_query)
docstring: Register the column of this SearchKey to given column map.
  
        column_map (ColumnMap)
          The ColumnMap instance to register to.
        group (string)
          The group registration will be part of.
        simple_query (SimpleQuery)
          The SimpleQuery being registered.
  
        Returns: string
          The group assigned to caller. See ColumnMap for methods redefining
          caller's group.
docstring_summary: Register the column of this SearchKey to given column map.
docstring_tokens: Register the column of this SearchKey to given column map .
function: def registerColumnMap(column_map, group, simple_query):
      """
        Register the column of this SearchKey to given column map.
  
        column_map (ColumnMap)
          The ColumnMap instance to register to.
        group (string)
          The group registration will be part of.
        simple_query (SimpleQuery)
          The SimpleQuery being registered.
  
        Returns: string
          The group assigned to caller. See ColumnMap for methods redefining
          caller's group.
      """
function_tokens: def registerColumnMap ( column_map , group , simple_query ) :