public override Db.OeAsyncEnumerator ExecuteEnumerator(Object dataContext, OeQueryContext queryContext, CancellationToken cancellationToken)
{
IAsyncEnumerable <Object> asyncEnumerable;
MethodCallExpression countExpression = null;
if (base.QueryCache.AllowCache)
{
asyncEnumerable = GetFromCache <Object>(queryContext, (T)dataContext, base.QueryCache, out countExpression);
}
else
{
Expression expression = queryContext.CreateExpression(new OeConstantToVariableVisitor());
IQueryable entitySet = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
IQueryable query = entitySet.Provider.CreateQuery(queryContext.TranslateSource(dataContext, expression));
asyncEnumerable = ((IQueryable <Object>)query).AsAsyncEnumerable();
if (queryContext.ODataUri.QueryCount.GetValueOrDefault())
{
countExpression = OeQueryContext.CreateCountExpression(query.Expression);
}
}
Db.OeAsyncEnumerator asyncEnumerator = new OeEfCoreAsyncEnumerator(asyncEnumerable.GetEnumerator(), cancellationToken);
if (countExpression != null)
{
IQueryable query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
asyncEnumerator.Count = query.Provider.Execute <int>(countExpression);
}
return(asyncEnumerator);
}
public override Db.OeAsyncEnumerator ExecuteEnumerator(Object dataContext, OeQueryContext queryContext, CancellationToken cancellationToken)
{
IAsyncEnumerable <Object> asyncEnumerable;
if (base.QueryCache.AllowCache)
{
asyncEnumerable = GetFromCache <Object>(queryContext, (T)dataContext, base.QueryCache);
}
else
{
IQueryable query = CreateQuery(queryContext, dataContext, new OeConstantToVariableVisitor(queryContext.SkipTokenParser != null));
asyncEnumerable = ((IQueryable <Object>)query).AsAsyncEnumerable();
}
Db.OeAsyncEnumerator asyncEnumerator = new OeEfCoreAsyncEnumerator(asyncEnumerable.GetEnumerator(), cancellationToken);
if (queryContext.CountExpression != null)
{
IQueryable query = queryContext.EntitySetAdapter.GetEntitySet(dataContext);
asyncEnumerator.Count = query.Provider.Execute <int>(queryContext.CountExpression);
}
return(asyncEnumerator);
}