我有两个独立显示的查询。
SELECT 'New Orders' AS 'Type', @new_customers AS 'Total', CONCAT(ROUND((@new_customers / @total_purchases) * 100, 1), '%') AS 'Percentage';
SELECT 'Repeat Orders' AS 'Type', @repeat_customers AS 'Total', CONCAT(ROUND((@repeat_customers / @total_purchases) * 100, 1), '%') AS 'Percentage';
我想将它们一起列出，这样的演出
+---------------+-------+------------+
| Type | Total | Percentage |
+---------------+-------+------------+
| New Orders | 4 | 11.4% |
| Repeat Orders | 4 | 11.4% |
+---------------+-------+------------+
这是变量和视图
## SQL Variables
SELECT COUNT(DISTINCT customer_email) FROM sales_flat_order INTO @new_customers;
SELECT COUNT(customer_email) FROM view_orders WHERE total_orders > 1 INTO @repeat_customers;
## VIEW Customer total orders
CREATE VIEW foodhub_magento.v_orders AS
SELECT
customer_email, COUNT(*) AS total_orders
FROM
foodhubsales_flat_order
GROUP BY
customer_email
HAVING
COUNT(customer_email) > 1;
您可以只使用union all运算符：
SELECT 'New Orders' AS 'Type', @new_customers AS 'Total', CONCAT(ROUND((@new_customers / @total_purchases) * 100, 1), '%') AS 'Percentage'
UNION ALL
SELECT 'Repeat Orders' AS 'Type', @repeat_customers AS 'Total', CONCAT(ROUND((@repeat_customers / @total_purchases) * 100, 1), '%') AS 'Percentage';
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我来说两句