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RPUSH key value [value …]

相关命令

始于1.0.0可用。

时间复杂度： O(1)

Insert all the specified values at the tail of the list stored at key. If key does not exist, it is created as empty list before performing the push operation. When key holds a value that is not a list, an error is returned.

It is possible to push multiple elements using a single command call just specifying multiple arguments at the end of the command. Elements are inserted one after the other to the tail of the list, from the leftmost element to the rightmost element. So for instance the command RPUSH mylist a b c will result into a list containing a as first element, b as second element and c as third element.

返回值

Integer reply: the length of the list after the push operation.

History

  • >= 2.4: Accepts multiple value arguments. In Redis versions older than 2.4 it was possible to push a single value per command.

例子

redis> RPUSH mylist "hello" 

  1. (integer) 1

redis> RPUSH mylist "world" 

  1. (integer) 2

redis> LRANGE mylist 0 -1 

  1. 1) "hello"
  2. 2) "world"
redis>

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