在一个mysql查询中执行多个选择的更好方法?
我有一个insert查询,它包含几个select语句。我觉得必须有一个更好(更高效、更优化等)的方法来做到这一点。有什么建议吗在一个mysql查询中执行多个选择的更好方法?,mysql,Mysql,我有一个insert查询,它包含几个select语句。我觉得必须有一个更好(更高效、更优化等)的方法来做到这一点。有什么建议吗 INSERT INTO log (logtype, subtype, src_ip, dst_ip, dst_port, query) VALUES (2, 1, (SELECT src_ip FROM query WHERE uid="123"), (SELECT dst_ip FROM query WHERE uid="123"),
INSERT INTO log (logtype, subtype, src_ip, dst_ip, dst_port, query) VALUES (2, 1,
(SELECT src_ip FROM query WHERE uid="123"),
(SELECT dst_ip FROM query WHERE uid="123"),
(SELECT dst_port FROM query WHERE uid="123"),
(SELECT query FROM query WHERE uid="123"))
INSERT INTO log (logtype, subtype, src_ip, dst_ip, dst_port, query)
SELECT 2, 1, src_ip, dst_ip, dst_port, query
FROM query WHERE uid="123"