Available since: 7.0.0
Time complexity: Depends on the script that is executed.
This is a read-only variant of the
EVAL command that cannot execute commands that modify data.
> SET mykey "Hello" OK > EVAL_RO "return redis.call('GET', KEYS)" 1 mykey "Hello" > EVAL_RO "return redis.call('DEL', KEYS)" 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.