COPY

Syntax
COPY source destination [DB destination-db] [REPLACE]
Available since:
Redis Open Source 6.2.0
Time complexity:
O(N) worst case for collections, where N is the number of nested items. O(1) for string values.
ACL categories:
@keyspace, @write, @slow,
Compatibility:
Redis Software and Redis Cloud compatibility

This command copies the value stored at the source key to the destination key.

By default, the destination key is created in the logical database used by the connection. The DB option allows specifying an alternative logical database index for the destination key.

The command returns zero when the destination key already exists. The REPLACE option removes the destination key before copying the value to it.

Examples 

SET dolly "sheep"
COPY dolly clone
GET clone

Redis Software and Redis Cloud compatibility

Redis
Enterprise		 Redis
Cloud		 Notes
✅ Standard
✅ Active-Active*		 ✅ Standard
✅ Active-Active*		 For Active-Active or clustered databases, the source and destination keys must be in the same hash slot.

*Not supported for stream consumer group info.

Return information

One of the following:

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