private IAsyncEnumerable <TOut> CreateTrackingEnumerable()
{
return(_grouping.Select(result =>
{
if (result != null)
{
for (var i = 0; i < _entityTrackingInfos.Count; i++)
{
var entity = _entityAccessors[i](result as TIn);
if (entity != null)
{
_queryContext.QueryBuffer
.StartTracking(entity, _entityTrackingInfos[i]);
}
}
}
return result;
}));
}
