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-- 表:wms_stocktake_item
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-- 用途:盘点明细。系统数量与实盘数量。
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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:system_qty 是开盘快照。确认前若发生其他库存变化,由应用层拦截或重算,不在盘点中途覆盖快照。
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CREATE TABLE `wms_stocktake_item` (
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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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`stocktake_no` VARCHAR(64) NOT NULL COMMENT '盘点单号',
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`line_no` INT UNSIGNED NOT NULL COMMENT '行号',
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`customer_code` VARCHAR(32) NOT NULL COMMENT '货主编码',
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`location_code` VARCHAR(64) NOT NULL COMMENT '库位编码',
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`sku_code` VARCHAR(64) NOT NULL COMMENT 'SKU 编码',
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`batch_no` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '批次号,可空',
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`system_qty` DECIMAL(16,4) NOT NULL DEFAULT 0.0000 COMMENT '快照时的可用数量',
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`counted_qty` DECIMAL(16,4) NULL COMMENT '实盘数量,未盘为空',
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`diff_qty` DECIMAL(16,4) NULL COMMENT '实盘减系统,确认时回填',
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`count_status` VARCHAR(32) NOT NULL DEFAULT 'pending' COMMENT 'pending 待盘,counted 已盘',
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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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UNIQUE KEY `uk_tenant_stocktake_line` (`tenant_code`, `stocktake_no`, `line_no`),
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KEY `idx_tenant_location` (`tenant_code`, `location_code`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='盘点明细';
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