-- Rename region tables (drop bms_ prefix)
SET NAMES utf8mb4;

SET @t := (
  SELECT TABLE_NAME FROM information_schema.TABLES
  WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'bms_region' LIMIT 1
);
SET @sql := IF(@t IS NULL, 'SELECT 1', 'RENAME TABLE bms_region TO region');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @t := (
  SELECT TABLE_NAME FROM information_schema.TABLES
  WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'bms_region_sync_log' LIMIT 1
);
SET @sql := IF(@t IS NULL, 'SELECT 1', 'RENAME TABLE bms_region_sync_log TO region_sync_log');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;