我的查询是这样的......
SELECT tb1.name, COUNT(tb2.payment_date) as first_payment FROM table1 LEFT JOIN table2 tb2 ON tb2.id_user = tb1.id
+-----------+-------------+
| Name | Count |
+-----------+-------------+
| John | 543534543 |
但我希望我的查询返回连接限制,例如:
LEFT JOIN tb2 ON tb2.id_user = tb1.id { LIMIT JOIN }
只返回一个关系......
+-----------+-------------+
| Name | Count |
+-----------+-------------+
| John | 3 |