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DiceDB

COMMAND COUNT

Introduction

The COMMAND COUNT command retrieves the total number of commands supported by the DiceDB server. It returns an integer value representing the current command count, offering insight into the size of the command set available for use.
Time Complexity: O(1)

Syntax

Terminal window
COMMAND COUNT

Parameters

This command does not accept any parameters.

Return values

ConditionReturn Value
Command is successfulInteger
ErrorAn error is returned if the command fails.

Behavior

When executed, the COMMAND COUNT command scans the command registry of the DiceDB server and counts the number of registered commands. This allows users to determine the current command count quickly. The operation is efficient and performed in constant time, as the server maintains this information internally.

Errors

  1. Arity Error
    • Error Message: (error) ERR wrong number of arguments for 'command|count' command
    • Occurs when invalid number of arguments provided to COMMAND COUNT command.

Example Usage

Retrieve the number of commands supported by the DiceDB server

Terminal window
127.0.0.1:7379> COMMAND COUNT
(integer) 117

Arity Error

An error is thrown when extra arguments are passed to the COMMAND COUNT command, as it does not accept any additional arguments.

Terminal window
127.0.0.1:7379> COMMAND COUNT EXTRA ARGS
(error) ERR wrong number of arguments for 'command|count' command