TTL functions

ttlExpire

The ttlExpire function is used to set a Time-To-Live (TTL) on a key. Once the specified duration elapses, the key is automatically deleted from the database. This feature is helpful for scenarios involving temporary data, session expiration, or auto-cleanup mechanisms.

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  • Default (Seconds)

  • Seconds ( s )

  • Minutes ( m )

  • Hours ( h )

  • Days ( d )

Simple use

      const res = await client.ttlExpire("user:greeting", 20);
    console.log(res);

Full Example

  async function main() {
  const client = fleare.createClient("127.0.0.1", 9219);
  ...
  
  try {
    await client.connect();

    const res = await client.ttlExpire("user:greeting", "20m");
    console.log(res);

  } catch (err) {
    console.error(err);
  } finally {
    await client.close();
  }
}

Output

  1

ttl

The ttl function checks the remaining time-to-live (in seconds) for a specific key in the database. It’s useful for understanding when a key is going to expire or confirming whether it has an expiration at all.

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Simple use

  const res = await client.ttl("user:greeting");
console.log(res);

Output

  16