[hongjs]

Library

• Reject entities with a shadow property (NotSupportedException). Values are read from CLR properties by reflection; a shadow FK / TPH discriminator has none and was sent as NULL without warning.
• Read option expressions from the expression tree. x => x.CreatedAt used to be compiled, run on a blank instance, and have DateTime's own properties read back, so IgnoreOnInsert/IgnoreOnUpdate/UniqueKeys silently did nothing. Only x => x.Prop and x => new { x.A, x.B } are accepted; anything else throws.
• Fall back to the primary key when the model has no unique index; only a keyless entity throws MissingPrimaryKeyException. Key resolution is now one method shared by update and delete, and a UniqueKeys name that is not a mapped property is an ArgumentException instead of a silent fallback.
• Keep key columns in the derived table when IgnoreOnUpdate names them; the JOIN referenced tmp.Id that the SELECT no longer produced.
• Update with nothing to SET throws instead of emitting SET on its own; merge of a key-only entity assigns a key to itself, MySQL's insert-if-absent idiom.
• Close the connection only if this call opened it. One the caller opened (to share across calls, or enlisted in a TransactionScope) was closed under them.
• Join Database.CurrentTransaction when the context already has one open instead of failing with "Transactions may not be nested".
• Name the actual type in "Unable to resolve EntityType" (was the literal 'T').

Dependencies

• EF Core 8.0.4 -> 8.0.30 removes Microsoft.Extensions.Caching.Memory 8.0.0 (GHSA-qj66-m88j-hmgj) from the shipped package; Pomelo 8.0.2 -> 8.0.3.
• Testcontainers.MySql 3.8.0 -> 4.14.0 drops SSH.NET 2023.0.0 (GHSA-q939-rpr3-3284) from the test project. Its own wait strategy replaces the port check.
• Drop the unused EntityFrameworkCore.InMemory reference.

CI / repo

• sonarcloud.yml: pass the token through the env var already declared instead of expanding the secret inside the run block (Sonar security hotspot).
• .gitignore the mysql/ data volume docker-compose mounts.
• Remove the container ExecAsync in the test factory whose arguments were wrong (-p mysql prompts; ${...} in C# is a literal) and whose result was ignored.

Docs

• README / package readme: PK fallback, accepted expression shapes, merge rows-affected semantics, connection and transaction ownership, shadow props.
• csproj Description no longer claims compatibility with most databases.
• CLAUDE.md: key resolution, expression handling, ownership rule.

Tests: 40 -> 57. EdgeCaseTest (model-only) covers each generator change; ConnectionOwnershipTest covers connection and ambient-transaction ownership against MySQL. The two Log tests that asserted the old PK-only failure now assert the fallback.

Claude-Session: https://claude.ai/code/session_01E63oHuiKenf9H6tcgvDXVG

[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
98.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud