# Duration

`Duration` is represented as [`CqlDuration`](https://docs.rs/scylla/latest/scylla/value/struct.CqlDuration.html)\\

```rust
use futures::TryStreamExt;
use scylla::value::CqlDuration;

// Insert some duration into the table
let to_insert: CqlDuration = CqlDuration { months: 1, days: 2, nanoseconds: 3 };
session
    .query_unpaged("INSERT INTO keyspace.table (a) VALUES(?)", (to_insert,))
    .await?;

// Read duration from the table
let mut iter = session.query_iter("SELECT a FROM keyspace.table", &[])
    .await?
    .rows_stream::<(CqlDuration,)>()?;
while let Some((duration_value,)) = iter.try_next().await? {
    println!("{:?}", duration_value);
}
```