Redis Exec Command

Redis Transactions

The Redis Exec command is used to execute all commands within a transaction block.

Syntax

Basic Syntax of Redis Exec Command

redis　127.0.0.1:6379Exec

Available Version

>= 1.2.0

Return Values

The return values of all commands within the transaction block are arranged in the order of command execution. When the operation is interrupted, return an empty value nil.

Online Examples

# The transaction was successfully executed
redis　127.0.0.1:6379MULTI
OK
redis　127.0.0.1:6379INCR user_id
QUEUED
redis　127.0.0.1:6379INCR user_id
QUEUED
redis　127.0.0.1:6379INCR user_id
QUEUED
redis　127.0.0.1:6379PING
QUEUED
redis　127.0.0.1:6379EXEC
1) (integer)　1
2) (integer)　2
3) (integer)　3
4) PONG
# Watch key, and the transaction was successfully executed
redis　127.0.0.1:6379WATCH lock lock_times
OK
redis　127.0.0.1:6379MULTI
OK
redis　127.0.0.1:6379SET lock "huangz"
QUEUED
redis　127.0.0.1:6379INCR lock_times
QUEUED
redis　127.0.0.1:6379EXEC
1) OK
2) (integer)　1
# Watch key, and the transaction was interrupted
redis　127.0.0.1:6379WATCH lock lock_times
OK
redis　127.0.0.1:6379MULTI
OK
redis　127.0.0.1:6379SET lock "joe" # At this moment, another client modified the value of lock_times
QUEUED
redis　127.0.0.1:6379INCR lock_times
QUEUED
redis　127.0.0.1:6379EXEC # Because lock_times was modified, Joe's transaction execution failed
(nil)

Redis Transactions