Decimal is represented as bigdecimal::BigDecimal

fn main() {
extern crate scylla;
extern crate bigdecimal;
use scylla::Session;
use std::error::Error;
async fn check_only_compiles(session: &Session) -> Result<(), Box<dyn Error>> {
use scylla::IntoTypedRows;
use bigdecimal::BigDecimal;
use std::str::FromStr;

// Insert a decimal into the table
let to_insert: BigDecimal = BigDecimal::from_str("12345.0")?;
    .query("INSERT INTO keyspace.table (a) VALUES(?)", (to_insert,))

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