Redis DISCARD command is used to flush the all previously queued commands in a transaction and restores the connection state to normal.
If WATCH was used, DISCARD unwatches all keys watched by the connection.
Simple string reply: always OK.
Return Value Type
127.0.0.1:6379> MULTI OK 127.0.0.1:6379> INCR test QUEUED 127.0.0.1:6379> INCR test1 QUEUED 127.0.0.1:6379> DISCARD OK