COMMAND INFO

Syntax

COMMAND INFO command-name

Time complexity: O(1)

ACL categories: @slow, @connection

Returns information about a specific Dragonfly command.

This is a focused variant of COMMAND that returns details for a single command name.

The reply format matches one entry of the COMMAND output:

1. Name
2. Arity
3. Flags
4. First key
5. Last key
6. Step
7. ACL categories

Return

Array reply: a single-element nested array describing the command, or a null reply if the command does not exist.

Examples

dragonfly> COMMAND INFO GET
1) 1) GET
   2) (integer) 2
   3) 1) readonly
      2) fast
   4) (integer) 1
   5) (integer) 1
   6) (integer) 1
   7) 1) @READ
      2) @STRING
      3) @FAST

dragonfly> COMMAND INFO UNKNOWN_COMMAND
(nil)

Notes

• Command names are case-insensitive.
• The output schema is stable but may include more fields in future versions.