-- 停止旧服务后执行。身份与额度分表，避免认证共享锁升级；禁止数据库外键。
CREATE TABLE orbit_application_resources (
 application_id BINARY(16) NOT NULL COMMENT '所属应用标识及主键，跨命名空间共享额度',
 revision BIGINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '配置乐观版本，用量变化不增加版本',
 created_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) COMMENT '创建时间，UTC 微秒',
 updated_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) COMMENT '最后配置更新时间，UTC 微秒',
 max_unfinished_tasks INT UNSIGNED NOT NULL DEFAULT 1000000 COMMENT '应用未终结任务上限，降额保留已有任务',
 unfinished_tasks BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '等待、预占、运行及待核查任务总数，重试不重复计数',
 max_concurrency INT UNSIGNED NOT NULL DEFAULT 10000 COMMENT '预占与运行尝试总上限，降额不撤销已有尝试',
 active_attempts BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '当前预占与运行尝试总数，结果确认或到期恢复释放',
 pending_starts BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '已预占但未开始尝试数，包含在活跃尝试中',
 rate_per_second INT UNSIGNED NOT NULL DEFAULT 100000 COMMENT '一秒固定窗口内开始授权上限，不是业务请求速率',
 start_window_until DATETIME(6) NULL COMMENT '数据库时间的一秒窗口结束时刻，空表示尚未建立窗口',
 starts_in_window INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '窗口中已确认的开始次数，重复回执不计数',
 PRIMARY KEY (application_id),
 CONSTRAINT ck_app_resources_revision CHECK (revision > 0),
 CONSTRAINT ck_app_resources_limits CHECK (max_unfinished_tasks > 0 AND max_concurrency > 0 AND rate_per_second > 0),
 CONSTRAINT ck_app_resources_pending CHECK (pending_starts <= active_attempts),
 CONSTRAINT ck_app_resources_window CHECK (start_window_until IS NOT NULL OR starts_in_window=0)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_as_cs COMMENT='应用跨命名空间共享额度与持久化用量，无数据库外键';

INSERT INTO orbit_application_resources(application_id,unfinished_tasks,active_attempts,pending_starts)
SELECT a.id,COALESCE(t.unfinished,0),COALESCE(t.active,0),COALESCE(t.pending,0)
FROM orbit_applications a LEFT JOIN (
 SELECT n.application_id,COUNT(*) AS unfinished,
 SUM(t.state IN ('LEASED','RUNNING')) AS active,SUM(t.state='LEASED') AS pending
 FROM pulse_tasks t JOIN orbit_namespaces n ON n.id=t.namespace_id
 WHERE t.state IN ('WAITING','LEASED','RUNNING','NEEDS_REVIEW') GROUP BY n.application_id
) t ON t.application_id=a.id;