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wms-saas/docs/database/06-outbound/wms_allocation.sql
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2026-09-30 11:11:54 +08:00

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SQL

-- 表:wms_allocation
-- 用途:库存分配。出库行预占到具体库位批次的记录,也是库存锁定明细。
-- 约定:InnoDB / utf8mb4 / 无外键,表间按业务编码关联。详见 docs/database/00-conventions.md
-- 说明:reserved 时 available 转为 reserved。released 时转回。picked 时 reserved 转为 picked。不另建预占表。
CREATE TABLE `wms_allocation` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '内部主键',
`tenant_code` VARCHAR(32) NOT NULL COMMENT '租户编码',
`allocation_no` VARCHAR(64) NOT NULL COMMENT '分配单号,租户内唯一',
`outbound_no` VARCHAR(64) NOT NULL COMMENT '出库单号',
`outbound_line_no` INT UNSIGNED NOT NULL COMMENT '出库行号',
`warehouse_code` VARCHAR(32) NOT NULL COMMENT '仓库编码',
`customer_code` VARCHAR(32) NOT NULL COMMENT '货主编码',
`location_code` VARCHAR(64) NOT NULL COMMENT '库位编码',
`sku_code` VARCHAR(64) NOT NULL COMMENT 'SKU 编码',
`batch_no` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '批次号,可空',
`qty` DECIMAL(16,4) NOT NULL DEFAULT 0.0000 COMMENT '分配数量',
`status` VARCHAR(32) NOT NULL DEFAULT 'reserved' COMMENT 'reserved 已预占,picked 已拣货,released 已释放',
`created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '创建时间',
`updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '更新时间',
PRIMARY KEY (`id`),
UNIQUE KEY `uk_tenant_allocation_no` (`tenant_code`, `allocation_no`),
KEY `idx_tenant_outbound` (`tenant_code`, `outbound_no`),
KEY `idx_tenant_sku_location` (`tenant_code`, `warehouse_code`, `sku_code`, `location_code`),
CONSTRAINT `chk_allocation_qty` CHECK (`qty` > 0)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='库存分配';