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MySQL: Set user variable from result of query

时间:2018-09-29 11:50:31      阅读:151      评论:0      收藏:0      [点我收藏+]

set @user = 123456;
set @group = (select GROUP from USER where User = @user);
select * from USER where GROUP = @group;

 

SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;


SET @user := 123456;
SELECT `group` FROM user LIMIT 1 INTO @group;
SELECT * FROM user WHERE `group` = @group;


refer:https://stackoverflow.com/questions/3888735/mysql-set-user-variable-from-result-of-query

MySQL: Set user variable from result of query

原文:https://www.cnblogs.com/zejin2008/p/9722912.html

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