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WATCH

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

Usage
WATCH key ...
Complexity
O(1) for every key.
Since
2.2.0
ACL Categories
@fast, @transaction
Command flags
NOSCRIPT, LOADING, STALE, FAST, NO_MULTI, ALLOW_BUSY

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

Replies

RESP2

Simple string reply: OK.

RESP3

Simple string reply: OK.

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