TruncatedCollection does not implement IAsyncEnumerable
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- Dominant language
- C#
- Stars
- 505
- Forks
- 186
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Description
The code below will fail:
var settings = new ODataQuerySettings() { PageSize = 10 };
var items = await query.ApplyTo(data, settings).Cast<object>().ToListAsync(ct);
Exception:
The source 'IQueryable' doesn't implement 'IAsyncEnumerable<System.Object>'. Only sources that implement 'IAsyncEnumerable' can be used for Entity Framework asynchronous operations.
The issue is:
TruncatedCollection (which is used when PageSize is provided) does not implement IAsyncEnumerable
Version: 8.0.1
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate TruncatedCollection and trace the ApplyTo path when ODataQuerySettings.PageSize is set. Reproduce the shown Cast().ToListAsync(ct) case, then verify that the paged result supports Entity Framework asynchronous enumeration and the exception no longer occurs.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- api, backend-api-design
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 45/100