/// <summary>
/// Executes the provided sql query and returns the number of affected rows.
/// </summary>
/// <param name="sql">The sql to execute asynchronously.</param>
/// <returns>The number of affected rows</returns>
public static async Task <int> ExecuteSqlAsync(string sql)
{
using (var db = new KaguyaDb())
return(await db.ExecuteAsync(sql));
}