EVAL_RO

Syntax

EVAL_RO script numkeys [key [key ...]] [arg [arg ...]]

Available since:: 7.0.0
Time complexity:: Depends on the script that is executed.
ACL categories:: @slow, @scripting,

这是EVAL命令的一个只读变体，不能执行修改数据的命令。

有关何时使用此命令与EVAL的更多信息，请参阅只读脚本。

有关EVAL脚本的更多信息，请参阅Eval脚本介绍。

示例

> SET mykey "Hello"
OK

> EVAL_RO "return redis.call('GET', KEYS[1])" 1 mykey
"Hello"

> EVAL_RO "return redis.call('DEL', KEYS[1])" 1 mykey
(error) ERR Error running script (call to b0d697da25b13e49157b2c214a4033546aba2104): @user_script:1: @user_script: 1: Write commands are not allowed from read-only scripts.

RESP2/RESP3 回复

The return value depends on the script that was executed.