CREATE TABLE metric_def ( id BIGINT AUTO_INCREMENT PRIMARY KEY, metric_code VARCHAR(64) NOT NULL, -- 内部编码：order_cnt_delivery metric_name VARCHAR(128) NOT NULL, -- 中文名：外送订单数 metric_aliases JSON NULL, -- 别名列表 biz_domain VARCHAR(64) NOT NULL, -- 通过table tag获取，支持人工配置 biz_desc TEXT NULL, -- 业务口径描述 chat_turn_id BIGINT NULL, -- 来自哪轮会话 tech_desc TEXT NULL, -- 技术口径描述 formula_expr TEXT NULL, -- 公式描述："sum(pay_amount)" base_sql MEDIUMTEXT NOT NULL, -- 标准计算SQL（逻辑SQL/snippet） time_grain VARCHAR(32) NOT NULL, -- DAY/HOUR/WEEK/MONTH dim_binding JSON NOT NULL, -- 维度绑定，如 ["dt","store_id","channel"] update_strategy VARCHAR(32) NOT NULL, -- FULL/INCR/REALTIME schedule_id BIGINT NULL, -- 调度ID schedule_type INT NULL, -- 调度类型，默认调度cron version INT NOT NULL DEFAULT 1, is_active TINYINT(1) NOT NULL DEFAULT 1, sql_hash VARCHAR(64) NULL, -- base_sql hash 用于版本比较 created_by BIGINT NULL, updated_by BIGINT NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_metric_code (metric_code), KEY idx_domain_active (biz_domain, is_active), KEY idx_update_strategy (update_strategy), KEY idx_name (metric_name) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; CREATE TABLE metric_schedule ( id BIGINT AUTO_INCREMENT PRIMARY KEY, metric_id BIGINT NOT NULL, -- 关联 metric_def.id cron_expr VARCHAR(64) NOT NULL, -- 调度表达式 enabled TINYINT(1) NOT NULL DEFAULT 1, -- 是否启用 priority INT NOT NULL DEFAULT 10, -- 优先级 backfill_allowed TINYINT(1) NOT NULL DEFAULT 1, -- 是否允许补数 max_runtime_sec INT NULL, -- 最大运行时长（秒） retry_times INT NOT NULL DEFAULT 0, -- 失败重试次数 owner_team VARCHAR(64) NULL, owner_user_id BIGINT NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, KEY idx_metric_enabled (metric_id, enabled), KEY idx_owner (owner_team, owner_user_id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; CREATE TABLE metric_job_run ( id BIGINT AUTO_INCREMENT, metric_id BIGINT NOT NULL, -- metric_def.id schedule_id BIGINT NULL, -- metric_schedule.id，手动触发则可为空 source_turn_id BIGINT NULL, -- 若本次运行由某次问答触发，关联 qa_turn.id data_time_from DATETIME NULL, -- 指标统计时间窗口起 data_time_to DATETIME NULL, -- 指标统计时间窗口止 metric_version INT NOT NULL, -- 执行时使用的指标版本 base_sql_snapshot MEDIUMTEXT NOT NULL, -- 本次执行使用的SQL快照 status VARCHAR(32) NOT NULL, -- RUNNING/SUCCESS/FAILED/SKIPPED error_msg TEXT NULL, affected_rows BIGINT NULL, -- 写入行数 runtime_ms BIGINT NULL, -- 执行耗时 triggered_by VARCHAR(32) NOT NULL, -- SCHEDULER/MANUAL/API/QA_TURN triggered_at DATETIME NOT NULL, started_at DATETIME NULL, finished_at DATETIME NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, -- 主键改为联合主键，必须包含 created_at PRIMARY KEY (id, created_at), KEY idx_metric_time (metric_id, data_time_from, data_time_to), KEY idx_status_time (status, triggered_at), KEY idx_schedule (schedule_id), KEY idx_source_turn (source_turn_id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 PARTITION BY RANGE COLUMNS(created_at) ( -- 历史数据分区（根据实际需求调整） PARTITION p202511 VALUES LESS THAN ('2025-12-01'), PARTITION p202512 VALUES LESS THAN ('2026-01-01'), -- 2026年按月分区 PARTITION p202601 VALUES LESS THAN ('2026-02-01'), PARTITION p202602 VALUES LESS THAN ('2026-03-01'), PARTITION p202603 VALUES LESS THAN ('2026-04-01'), PARTITION p202604 VALUES LESS THAN ('2026-05-01'), PARTITION p202605 VALUES LESS THAN ('2026-06-01'), PARTITION p202606 VALUES LESS THAN ('2026-07-01'), -- ... 可以预建几个月 ... -- 兜底分区，存放未来的数据，防止插入报错 PARTITION p_future VALUES LESS THAN (MAXVALUE) ); CREATE TABLE metric_result ( id BIGINT AUTO_INCREMENT, metric_id BIGINT NOT NULL, -- metric_def.id metric_version INT NOT NULL, -- metric_def.version stat_time DATETIME NOT NULL, -- 按 time_grain 对齐后的时间 extra_dims JSON NULL, -- 其他维度，JSON 存 metric_value DECIMAL(32,8) NOT NULL, -- 指标结果值 load_time DATETIME NOT NULL, -- 入库时间 data_version BIGINT NULL, -- 版本或 job_run id created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, -- 主键改为联合主键，必须包含 created_at PRIMARY KEY (id, created_at), KEY idx_metric_time (metric_id, stat_time), KEY idx_load_time (load_time) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 PARTITION BY RANGE COLUMNS(created_at) ( -- 历史数据分区（根据实际需求调整） PARTITION p202511 VALUES LESS THAN ('2025-12-01'), PARTITION p202512 VALUES LESS THAN ('2026-01-01'), -- 2026年按月分区 PARTITION p202601 VALUES LESS THAN ('2026-02-01'), PARTITION p202602 VALUES LESS THAN ('2026-03-01'), PARTITION p202603 VALUES LESS THAN ('2026-04-01'), PARTITION p202604 VALUES LESS THAN ('2026-05-01'), PARTITION p202605 VALUES LESS THAN ('2026-06-01'), PARTITION p202606 VALUES LESS THAN ('2026-07-01'), -- ... 可以预建几个月 ... -- 兜底分区，存放未来的数据，防止插入报错 PARTITION p_future VALUES LESS THAN (MAXVALUE) );