actix-node-benchmark: Rust get-tasks via deadpool

deadpool-get-tasks.rs

pub async fn get_tasks(pool: Arc<Pool>, query: GetTasksQuery) -> Result<Vec<Task>, BenchError> {
    let _stmt = query.get_statement();

    let client = pool.get().await?;
    let stmt = client.prepare_typed(&_stmt, &[Type::VARCHAR, Type::VARCHAR, Type::OID]).await?;

    client.query(
            &stmt,
            &[ &like(query.assignee_name), &like(query.summary), &query.limit.or(Some(10)) ],
        ).await?
        .iter()
        .map(|row| Task::from_row_ref(row).map_err(BenchError::from))
        .collect()
}