DWS层 （三）商品主题

商品主题

1）建表语句

DROP TABLE IF EXISTS dws_sku_action_daycount;
CREATE EXTERNAL TABLE dws_sku_action_daycount
(
    `sku_id` STRING COMMENT 'sku_id',
    `order_count` BIGINT COMMENT '被下单次数',
    `order_num` BIGINT COMMENT '被下单件数',
    `order_activity_count` BIGINT COMMENT '参与活动被下单次数',
    `order_coupon_count` BIGINT COMMENT '使用优惠券被下单次数',
    `order_activity_reduce_amount` DECIMAL(16,2) COMMENT '优惠金额(活动)',
    `order_coupon_reduce_amount` DECIMAL(16,2) COMMENT '优惠金额(优惠券)',
    `order_original_amount` DECIMAL(16,2) COMMENT '被下单原价金额',
    `order_final_amount` DECIMAL(16,2) COMMENT '被下单最终金额',
    `payment_count` BIGINT COMMENT '被支付次数',
    `payment_num` BIGINT COMMENT '被支付件数',
    `payment_amount` DECIMAL(16,2) COMMENT '被支付金额',
    `refund_order_count` BIGINT  COMMENT '被退单次数',
    `refund_order_num` BIGINT COMMENT '被退单件数',
    `refund_order_amount` DECIMAL(16,2) COMMENT '被退单金额',
    `refund_payment_count` BIGINT  COMMENT '被退款次数',
    `refund_payment_num` BIGINT COMMENT '被退款件数',
    `refund_payment_amount` DECIMAL(16,2) COMMENT '被退款金额',
    `cart_count` BIGINT COMMENT '被加入购物车次数',
    `favor_count` BIGINT COMMENT '被收藏次数',
    `appraise_good_count` BIGINT COMMENT '好评数',
    `appraise_mid_count` BIGINT COMMENT '中评数',
    `appraise_bad_count` BIGINT COMMENT '差评数',
    `appraise_default_count` BIGINT COMMENT '默认评价数'
) COMMENT '每日商品行为'
PARTITIONED BY (`dt` STRING)
STORED AS PARQUET
LOCATION '/warehouse/gmall/dws/dws_sku_action_daycount/'
TBLPROPERTIES ("parquet.compression"="lzo");

2）数据装载

在数仓系统文档中查看

3）查询加载结果