Undo a {@link #expire(string, int) expire} at turning the expire key into a normal key. <p> Time complexity: O(1) @param key @return Integer reply, specifically: 1: the key is now persist. 0: the key is not persist (only happens when key not set).
See Implementation
Undo a {@link #expire(string, int) expire} at turning the expire key into a normal key. <p> Time complexity: O(1) @param key @return Integer reply, specifically: 1: the key is now persist. 0: the key is not persist (only happens when key not set).