redis commands common copy

COPY

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Copy data.

Usage is copy key1 key2 [type].
📍 type is one of string/list/set/zset/hash/stream.
      type was added from ent811. Please use it.

• You can specify a db. copy key1 key2 db 2
• To copy even if the destination key exists, use the REPLACE option.
  copy key1 key2 replace

Syntax

COPY source destination [DB destination-db] [REPLACE] [type]

• Available since version 6.2.0.
• Time complexity is O(1) for String. For collection data types it is O(N) by the number of elements.
• ent811 type added.