SMOVE

Syntax
SMOVE source destination member
Available since:
1.0.0
Time complexity:
O(1)
ACL categories:
@write, @set, @fast,

Move member from the set at source to the set at destination. This operation is atomic. In every given moment the element will appear to be a member of source or destination for other clients.

If the source set does not exist or does not contain the specified element, no operation is performed and 0 is returned. Otherwise, the element is removed from the source set and added to the destination set. When the specified element already exists in the destination set, it is only removed from the source set.

An error is returned if source or destination does not hold a set value.

Examples

SADD myset "one" SADD myset "two" SADD myotherset "three" SMOVE myset myotherset "two" SMEMBERS myset SMEMBERS myotherset

RESP2/RESP3 Reply

One of the following:

  • Integer reply: 1 if the element is moved.
  • Integer reply: 0 if the element is not a member of source and no operation was performed.

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