ContributorsLast modified on: Mar 24, 2016

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Remove the existing timeout on key, turning the key from volatile (a key with an expire set) to persistent (a key that will never expire as no timeout is associated).

@return

@integer-reply, specifically:

• 1 if the timeout was removed.
• 0 if key does not exist or does not have an associated timeout.

@examples

SET mykey "Hello"
EXPIRE mykey 10
TTL mykey
PERSIST mykey
TTL mykey