我想在 mysql 数据库中执行这个查询:
INSERT INTO customerdata (CustomerID, ......)
SELECT cd.CustomerID, ...
FROM customerdata cd
WHERE cd.Latest = 1
AND cd.CustomerID IN
(SELECT CustomerID
FROM customerdata
WHERE Active = 1
GROUP BY CustomerID
HAVING (MAX(StatisticDate) < UTC_TIMESTAMP()));
但我有“SQLError (1205): Lock wait timeout exceeded; try restarting transaction”。我在这里读到“当同时从表中选择和插入时,MySQL 创建一个临时表来保存 SELECT 中的行,然后将这些行插入到目标表中”,出了什么问题?*innodb_version:1.1.8
protocol_version:10
版本:5.5.28*