-- =============================================================
-- 租户站点扩展设置表：yz_system_tenant_setting_items
-- 说明：租户后台「站点设置」的扩展键值项（tid + setting_key 唯一）。
-- 可重复执行（CREATE TABLE IF NOT EXISTS）。
-- 运行：mysql -h<host> -P<port> -u<user> -p <db> < create_tenant_setting_items.sql
-- =============================================================

CREATE TABLE IF NOT EXISTS `yz_system_tenant_setting_items` (
  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  `tid` BIGINT UNSIGNED NOT NULL DEFAULT 0,
  `setting_key` VARCHAR(64) NOT NULL DEFAULT '',
  `setting_value` LONGTEXT NULL,
  `create_time` DATETIME NULL DEFAULT CURRENT_TIMESTAMP,
  `update_time` DATETIME NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `delete_time` DATETIME NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_tid_key` (`tid`,`setting_key`),
  KEY `idx_tid` (`tid`),
  KEY `idx_delete_time` (`delete_time`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='租户站点扩展设置';