How to use records with EF Core 11 correctly
A practical guide to mixing C# records and EF Core 11. Where records fit, where they break change tracking, and how to model value objects, entities, and projections without fighting the framework.
Tag: ef-core
15 posts · Page 2 of 2
EF Core 11 Prunes Unnecessary Reference Joins in Split Queries
EF Core 11 Preview 3 removes redundant to-one joins from split queries and drops unneeded ORDER BY keys. One reported scenario got 29% faster, another 22%. Here is what the SQL now looks like.
EF Core 11 Adds GetEntriesForState to Skip DetectChanges
EF Core 11 Preview 3 introduces ChangeTracker.GetEntriesForState, a state-filtered enumerator that avoids an extra DetectChanges pass in hot paths like SaveChanges interceptors and audit hooks.
EF Core 11 Lets You Create and Apply a Migration in One Command
The dotnet ef database update command now accepts --add to scaffold and apply a migration in a single step. Here is how it works, why it matters for containers and .NET Aspire, and what to watch for.
EF Core 11 Adds Native SQL Server Vector Search with DiskANN Indexes
EF Core 11 Preview 2 supports SQL Server 2025 VECTOR_SEARCH() and DiskANN vector indexes directly from LINQ. Here is how to set up the index, run approximate queries, and what changes from the EF Core 10 VectorDistance approach.