1
我有一个MySQL查询产生一个视图,显示两列,这两列是子查询的,但由于某种原因,我收到错误。错误与MySQL子查询
SELECT
(SUM(cards_required) FROM `orders` WHERE statuses = 1) As Count,
(SUM(cards_required) FROM `orders` WHERE statuses = 2) As Count
FROM `orders` WHERE user_id = 1
错误信息
#1064 - 你在你的SQL语法错误;检查对应于你的MySQL服务器版本正确的语法手册使用 附近“FROM订单WHERE状态= 1)计数,(SUM(cards_required) 从接单”在第3行
没有看到任何错误讯息 – amdixon
这就是我想@amdixon –
#1064 - 你在你的SQL语法错误;检查手册,它对应于您的MySQL服务器版本,以便在'FROM'命令附近使用正确的语法WHERE statuses = 1)作为计数, (SUM(cards_required)FROM'orders''line 3 –