Varint

Varint is represented as num_bigint::BigInt


use scylla::IntoTypedRows;
use num_bigint::BigInt;
use std::str::FromStr;

// Insert a varint into the table
let to_insert: BigInt = BigInt::from_str("12345")?;
session
    .query("INSERT INTO keyspace.table (a) VALUES(?)", (to_insert,))
    .await?;

// Read a varint from the table
if let Some(rows) = session.query("SELECT a FROM keyspace.table", &[]).await?.rows {
    for row in rows.into_typed::<(BigInt,)>() {
        let (varint_value,): (BigInt,) = row?;
    }
}