public override async Task <bool> ReadAsync(CancellationToken cancellationToken)
{
CheckState();
if (IsCommandBehavior(CommandBehavior.SchemaOnly))
{
return(false);
}
else if (IsCommandBehavior(CommandBehavior.SingleRow) && _position != StartPosition)
{
return(false);
}
else
{
using (var explicitCancellation = ExplicitCancellation.Enter(cancellationToken, _command.Cancel))
{
_row = await _command.FetchAsync(explicitCancellation.CancellationToken).ConfigureAwait(false);
if (_row != null)
{
_position++;
return(true);
}
else
{
_eof = true;
return(false);
}
}
}
}