/// <summary>
/// Executes command asynchronously and apply provided action to each record, mapped using provided mapping function.
/// </summary>
/// <typeparam name="T">Result record type.</typeparam>
/// <param name="objectReader">Record mapping function from data reader.</param>
/// <param name="action">Action, applied to each result record.</param>
/// <param name="cancellationToken">Asynchronous operation cancellation token.</param>
/// <returns>Returns task.</returns>
public async Task QueryForEachAsync <T>(Func <IDataReader, T> objectReader, Action <T> action, CancellationToken cancellationToken)
{
await DataConnection.EnsureConnectionAsync(cancellationToken);
DataConnection.InitCommand(CommandType, CommandText, Parameters, null);
if (Parameters != null && Parameters.Length > 0)
{
SetParameters(DataConnection, Parameters);
}
using (var rd = await DataConnection.ExecuteReaderAsync(GetCommandBehavior(), cancellationToken))
while (await rd.ReadAsync(cancellationToken))
{
action(objectReader(rd));
}
}
