Name Type Location Description
views_handler::groupby_form function modules/views/includes/handlers.inc Provide a form for aggregation settings.
views_handler::groupby_form_submit function modules/views/includes/handlers.inc Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler_field_field::groupby_form function modules/field/views/views_handler_field_field.inc Extend the groupby form with group columns.
views_handler_field_field::groupby_form_submit function modules/field/views/views_handler_field_field.inc Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.