WATCH · Valkey

WATCH

Monitors changes to keys to determine the execution of a transaction.

Usage

WATCH key [key…]

Description

Marks the given keys to be watched for conditional execution of a transaction.

Reply

Simple string reply: OK.

Complexity

O(1) for every key.

ACL Categories

@fast @transaction

History

See also

DISCARD, EXEC, MULTI, UNWATCH.