DELETE FROM `#__pf_comments`;
DELETE FROM `#__pf_labels`;
DELETE FROM `#__pf_milestones`;
DELETE FROM `#__pf_projects`;
DELETE FROM `#__pf_ref_attachments`;
DELETE FROM `#__pf_ref_labels`;
DELETE FROM `#__pf_ref_observer`;
DELETE FROM `#__pf_ref_users`;
DELETE FROM `#__pf_ref_tasks`;
DELETE FROM `#__pf_tags`;
DELETE FROM `#__pf_tasks`;
DELETE FROM `#__pf_task_lists`;
DELETE FROM `#__pf_topics`;
DELETE FROM `#__pf_replies`;
DELETE FROM `#__pf_timesheet`;
DELETE FROM `#__pf_repo_dirs`;
DELETE FROM `#__pf_repo_notes`;
DELETE FROM `#__pf_repo_files`;
DELETE FROM `#__pf_repo_file_revs`;
DELETE FROM `#__pf_repo_note_revs`;