Detect via ChangeTracker if a modified CollectionEntry was added or removed
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
Research direction
Start with the CollectionEntry and ChangeTracker behavior described in the issue, then review the linked change-tracking documentation and related issues, including #9237, #9312, and #10093. Define whether the API should distinguish additions from removals and what a completed, documented behavior would be.
Written by the indexing model from the issue text.
Description
This is fairly straightforward to do for non-collection properties (see https://github.com/dotnet/efcore/issues/9237#issuecomment-317115094).
For a CollectionEntry, it looks like the IsModified is set to true correctly when an item is added or removed from a collection, however there doesn't seem to be a way to tell if it was added or removed, only that something changed.
I've looked through the docs, including here and here, and through issues, including https://github.com/dotnet/efcore/issues/9312 and https://github.com/dotnet/efcore/issues/10093 but haven't found a solution. Is this currently possible? If not, is there any plan to do so?
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- C#
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- Avg merge
- 2d 5h
- Merged PRs (30d)
- 134
Contributor guide
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.
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