TOUCH

Syntax
TOUCH key [key ...]
Available since:
Redis Open Source 3.2.1
Time complexity:
O(N) where N is the number of keys that will be touched.
ACL categories:
@keyspace, @read, @fast,

Alters the last access time of a key(s). A key is ignored if it does not exist.

Examples

SET key1 "Hello" SET key2 "World" TOUCH key1 key2

Return information

Integer reply: the number of touched keys.
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