DROP TABLE IF EXISTS `bhd-_backup_table`;
CREATE TABLE `bhd-_backup_table` AS SELECT * FROM `bhd-`;
ALTER TABLE `bhd-_backup_table` ADD PRIMARY KEY(`id`);
DROP TABLE IF EXISTS `bhd-_temp_table`;
CREATE TABLE `bhd-_temp_table` AS (SELECT * FROM `bhd-skeleton` WHERE 1=2);
ALTER TABLE `bhd-_temp_table` ADD PRIMARY KEY(`id`);
DROP TABLE IF EXISTS `bhd-`;
CREATE TABLE `bhd-` AS SELECT * FROM `bhd-_temp_table`;
ALTER TABLE `bhd-` ADD PRIMARY KEY(`id`);
DROP TABLE IF EXISTS `bhd-_temp_table`;
