db->query("UPDATE bands SET bandgroup = 'mf' WHERE band = '160m' AND bandgroup = 'hf';"); $this->db->query("UPDATE bands SET bandgroup = 'uhf' WHERE band = '23cm' AND bandgroup = 'shf';"); $this->db->query("UPDATE bands SET bandgroup = 'uhf' WHERE band = '13cm' AND bandgroup = 'shf';"); } public function down() { $this->db->query("UPDATE bands SET bandgroup = 'hf' WHERE band = '160m' AND bandgroup = 'mf';"); $this->db->query("UPDATE bands SET bandgroup = 'shf' WHERE band = '23cm' AND bandgroup = 'uhf';"); $this->db->query("UPDATE bands SET bandgroup = 'shf' WHERE band = '13cm' AND bandgroup = 'uhf';"); } }