6 methods override views_handler::query() in Views (for Drupal 7) 6.3

views_handler_area::query in handlers/views_handler_area.inc

Don't run a query

views_handler_argument::query in handlers/views_handler_argument.inc

Set up the query for this argument.

views_handler_field::query in handlers/views_handler_field.inc

Called to add the field to a query.

views_handler_filter::query in handlers/views_handler_filter.inc

Add this filter to the query.

views_handler_relationship::query in handlers/views_handler_relationship.inc

Called to implement a relationship in a query.

views_handler_sort::query in handlers/views_handler_sort.inc

Called to add the sort to a query.