FCALL_RO · Valkey

FCALL_RO

Invokes a read-only function.

Usage

FCALL_RO function numkeys key [key…] arg [arg…]

Description

This is a read-only variant of the FCALL command that cannot execute commands that modify data.

For more information about when to use this command vs FCALL, please refer to Read-only scripts.

For more information please refer to Introduction to Valkey Functions.

Reply

The return value depends on the function that was executed.

Complexity

Depends on the function that is executed.

ACL Categories

@scripting @slow

History

See also

EVAL, EVALSHA, EVALSHA_RO, EVAL_RO, FCALL, FUNCTION, FUNCTION DELETE, FUNCTION DUMP, FUNCTION FLUSH, FUNCTION HELP, FUNCTION KILL, FUNCTION LIST, FUNCTION LOAD, FUNCTION RESTORE, FUNCTION STATS, SCRIPT, SCRIPT DEBUG, SCRIPT EXISTS, SCRIPT FLUSH, SCRIPT HELP, SCRIPT KILL, SCRIPT LOAD, SCRIPT SHOW.