文章目录
优惠券主题
1)建表语句
DROP TABLE IF EXISTS dws_coupon_info_daycount;
CREATE EXTERNAL TABLE dws_coupon_info_daycount(
`coupon_id` STRING COMMENT '优惠券ID',
`get_count` BIGINT COMMENT '被领取次数',
`order_count` BIGINT COMMENT '被使用(下单)次数',
`order_reduce_amount` DECIMAL(16,2) COMMENT '用券下单优惠金额',
`order_original_amount` DECIMAL(16,2) COMMENT '用券订单原价金额',
`order_final_amount` DECIMAL(16,2) COMMENT '用券下单最终金额',
`payment_count` BIGINT COMMENT '被使用(支付)次数',
`payment_reduce_amount` DECIMAL(16,2) COMMENT '用券支付优惠金额',
`payment_amount` DECIMAL(16,2) COMMENT '用券支付总金额',
`expire_count` BIGINT COMMENT '过期次数'
) COMMENT '每日活动统计'
PARTITIONED BY (`dt` STRING)
STORED AS PARQUET
LOCATION '/warehouse/gmall/dws/dws_coupon_info_daycount/'
TBLPROPERTIES ("parquet.compression"="lzo");
2)数据装载
3)查询加载结果