标签：size 没有 role 命令执行 防止 csharp 顺序 err div
Redis事务
Redis事务是一个单独的隔离操作,事务中所有的命令都会序列化、按顺序执行,事务在执行的过程中不会被其它客户端发送过来的命令所打断.
Redis同一事务中如果有一条命令执行失败,其它的命令仍然会被执行,没有回滚.
Redis事务的主要作用是串联多个命令,防止别的命令插队.
127.0.0.1:6379> multi OK 127.0.0.1:6379> hincrby role role:9527:age 2 QUEUED 127.0.0.1:6379> hincrby role role:9527:age 3 QUEUED 127.0.0.1:6379> hincrby role role:9527:age -5 QUEUED 127.0.0.1:6379> exec 1) (integer) 24 2) (integer) 27 3) (integer) 22 127.0.0.1:6379> multi OK 127.0.0.1:6379> hmset role role:9527:birthday 1992-10-10 QUEUED 127.0.0.1:6379> hexists role role:9527:id QUEUED 127.0.0.1:6379> hkeys role QUEUED 127.0.0.1:6379> discard OK 127.0.0.1:6379> multi OK 127.0.0.1:6379> hkeys role QUEUED 127.0.0.1:6379> hvals role QUEUED 127.0.0.1:6379> hincrby role role:9527:name 3 QUEUED 127.0.0.1:6379> exec 1) 1) "role:9527:id" 2) "role:9527:name" 3) "role:9527:age" 2) 1) "9527" 2) "xiaomaomao" 3) "22" 3) (error) ERR hash value is not an integer 127.0.0.1:6379> multi OK 127.0.0.1:6379> hexists role role:9527:name QUEUED 127.0.0.1:6379> hget role (error) ERR wrong number of arguments for ‘hget‘ command 127.0.0.1:6379> hsetnx role role:9527:gender female QUEUED 127.0.0.1:6379> exec (error) EXECABORT Transaction discarded because of previous errors.
标签：size 没有 role 命令执行 防止 csharp 顺序 err div
原文地址：https://www.cnblogs.com/xiaomaomao/p/13393411.html
