mysql - 获取一行中 2 行值的结果

Question

连接查询的结果 -

SELECT st_stock.name, st_stock.price, 
       FORMAT(st_stock.quantity,0), 
       st_stock.exp_date, 
       admin.username 
FROM `st_stock` 
  INNER JOIN `admin` ON FIND_IN_SET(admin.ID,st_stock.broker_id) AND st_stock.id='2'

示例数据

name        price     asjdb       exp_date            username
5.HK (HSBC) 74.40 HKD 100,000,000 2018-07-27 17:00:00 broker2
5.HK (HSBC) 74.40 HKD 100,000,000 2018-07-27 17:00:00 broker3

预期输出

 5.HK (HSBC) 74.40 HKD 100,000,000 2018-07-27 17:00:00 broker2,broker3

Answer 1

如果这是sql，

 SELECT st_stock.name, st_stock.price, 
           FORMAT(st_stock.quantity,0), 
           st_stock.exp_date, 
           GROUP_CONCAT(admin.username)
    FROM `st_stock` 
      INNER JOIN `admin` ON FIND_IN_SET(admin.ID,st_stock.broker_id) AND st_stock.id='2' GROUP BY st_stock.name