CREATE TABLE sales_data
(
product_id INT,
sale_price DECIMAL(10, 2)
) DUPLICATE KEY(product_id
)
DISTRIBUTED BY HASH(product_id
) BUCKETS AUTO
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
);
-- 插入示例数据
INSERT INTO sales_data VALUES
(1, 10.00),
(1, 15.00),
(1, 20.00),
(1, 25.00),
(1, 30.00),
(1, 35.00),
(1, 40.00),
(1, 45.00),
(1, 50.00),
(1, 100.00);
-- 计算不同百分位的销售价格
SELECT
percentile(sale_price, 0.5) as median_price, -- 中位数
percentile(sale_price, 0.75) as p75_price, -- 75分位数
percentile(sale_price, 0.90) as p90_price, -- 90分位数
percentile(sale_price, 0.95) as p95_price, -- 95分位数
percentile(null, 0.99) as p99_null -- null的99分位数
FROM sales_data;
--错误信息
SQL 错误 [1105] [HY000]: errCode = 2, detailMessage = (xx.xx.xx.xx)[INTERNAL_ERROR]Agg Function percentile_array(double, array) is not implemented