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-- 表:wms_status_log
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-- 用途:状态变更日志。订单、入库、出库等单据的状态迁移。
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-- 约定:InnoDB / utf8mb4 / 无外键,表间按业务编码关联。详见 docs/database/00-conventions.md
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-- 说明:与状态机放在同一事务。非法迁移不会产生本表记录。只追加。
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CREATE TABLE `wms_status_log` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '内部主键',
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`tenant_code` VARCHAR(32) NOT NULL COMMENT '租户编码',
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`biz_type` VARCHAR(32) NOT NULL COMMENT '单据类型:order、inbound、outbound、return、wave、picking、shipment',
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`biz_no` VARCHAR(64) NOT NULL COMMENT '业务单号',
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`from_status` VARCHAR(32) NOT NULL COMMENT '变更前状态',
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`to_status` VARCHAR(32) NOT NULL COMMENT '变更后状态',
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`operator` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '操作人 user_code,系统任务为空',
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`remark` VARCHAR(500) NOT NULL DEFAULT '' COMMENT '备注',
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`request_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '请求 ID',
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`created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '创建时间',
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`updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '更新时间',
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PRIMARY KEY (`id`),
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KEY `idx_tenant_biz` (`tenant_code`, `biz_type`, `biz_no`),
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KEY `idx_tenant_time` (`tenant_code`, `created_at`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='状态变更日志';
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