/// <inheritdoc/>
public TResult Execute <TResult>(Expression expression)
{
ExpressionHelper.CheckExpressionResultType <TResult>(expression);
var rlinq = ExpressionHelper.TranslateExpression(expression, _context);
var dataRecords = _dataProvider(rlinq);
return(_resultMapper.MapResult <TResult>(dataRecords, expression) !);
}
public TResult Execute <TResult>(Expression expression)
{
var rlinq = TranslateExpression(expression, _typeInfoProvider, _canBeEvaluatedLocally);
var dataRecords = _dataProvider(rlinq);
var result = object.Equals(default(TSource), dataRecords)
? default(TResult)
: _resultMapper.MapResult <TResult>(dataRecords, expression);
return(result);
}
public async IAsyncEnumerable <TResult> ExecuteAsyncRemoteStream <TResult>(Expression expression, [EnumeratorCancellation] CancellationToken cancellation)
{
cancellation.ThrowIfCancellationRequested();
var rlinq = RemoteQueryProvider <TSource> .TranslateExpression(expression, _typeInfoProvider, _canBeEvaluatedLocally);
cancellation.ThrowIfCancellationRequested();
var asyncEnumerable = _dataProvider(rlinq, cancellation);
cancellation.ThrowIfCancellationRequested();
await foreach (var resultItem in asyncEnumerable.WithCancellation(cancellation))
{
cancellation.ThrowIfCancellationRequested();
var result = _resultMapper.MapResult <TResult>(resultItem, expression);
yield return(result);
}
}
