pub async fn prepare(ctx) {
    ctx.prepare(READ, `SELECT * FROM ${KEYSPACE}.${TABLE} WHERE lc = ? AND value = ? LIMIT ${READ_SIZE}`).await?;
}

pub async fn run(ctx, i) {
    let lc = normal(i, 2.2, 2.5).clamp(0.0, 5.0).to_i32();
    let value = normal(i, 125.0, 25.0).clamp(0.0, 200.0).to_i32();
    ctx.execute_prepared(READ, [lc, value]).await?;
}