[rodri-oliveira-dev]

Summary

• certify Dapper 2.1.89 DynamicParameters delegation through mapped sync and async queries, including nulls, literals, explicit DbType, size, precision/scale and SQL Server output parameters
• add provider-backed DateOnly/TimeOnly evidence for SQL Server (DateTime/TimeSpan), PostgreSQL/Npgsql 10 (native DateOnly/TimeOnly) and SQLite (ISO text plus explicit converters), comparing runtime and strict-generated materialization
• preserve the strict-generated GeneratedParameters boundary and explicitly reject DynamicParameters there
• cover Dommel InsertMapped*/UpdateMapped* date/time writes, nullable fields, write converters and Dapper binding
• extend the strict-generated SQLite AOT smoke with DateOnly/TimeOnly and nullable values without adding reflection
• reset Dapper TypeHandlers between provider certification cases so Dommel registration cannot leak across scenarios

Provider matrix

Provider	New date/time evidence	Generated evidence	DynamicParameters evidence
SQL Server	datetime2 -> DateOnly, time(3) -> TimeOnly, nulls and millisecond precision	strict-generated parity	input/output, DbType, decimal precision/scale
PostgreSQL / Npgsql 10	native DateOnly / TimeOnly, nulls and millisecond precision	strict-generated parity	existing parameterized provider suite
SQLite	ISO text with explicit converters, nulls and millisecond precision	strict-generated parity plus AOT smoke	sync/async, literals, nulls, DbType, size
MySQL / MariaDB / Oracle / Firebird	existing regression suite only; no new date/time compatibility claim	existing provider coverage	existing provider coverage

Validation

• dotnet restore ./Dapper.FluentMap.slnx
• dotnet build ./Dapper.FluentMap.slnx --configuration Release --no-restore — 0 warnings, 0 errors
• dotnet test ./Dapper.FluentMap.slnx --configuration Release --no-build — 658 total, 583 passed, 75 expected external-provider skips, 0 failed
• SQL Server 2022 CU23 provider suite in Docker with strict certification — 22/22 passed
• PostgreSQL 18.6 / Npgsql 10 provider suite in Docker with strict certification — 22/22 passed
• strict-generated SQLite smoke — generated:ok
• Native AOT restore and dependency builds — 0 warnings, 0 errors
• Native AOT publish reached ILCompiler with all configured IL diagnostics treated as errors, then stopped because the local machine lacks the Visual C++ Desktop linker workload; CI remains the published-binary execution proof

Compatibility

No production API or implementation changes. GeneratedParameters remains the only accepted parameter collection for strict-generated queries. No blanket Native AOT or unsupported provider date/time claim is introduced.

Stack / merge order

This PR is intentionally based on #295, which is based on the Dapper 2.1.89 compatibility-contract work. Merge the baseline work first, then #295, then this PR. Do not merge this PR before its base.

Refs #294
Relates to #295
Upstream: DapperLib/Dapper#2225, DapperLib/Dapper#2228, DapperLib/Dapper#2233

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-29T03:42:46.487410Z	088550f	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 088550f4ec

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[github-actions]

SonarQube Cloud success

The SonarQube Cloud Quality Gate passed for this PR.

Quality Gate status: OK

Metric	Status	Actual	Threshold
new_reliability_rating	OK	1	1
new_security_rating	OK	1	1
new_maintainability_rating	OK	1	1
new_duplicated_lines_density	OK	0.0	3
new_security_hotspots_reviewed	OK	100.0	100

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[rodri-oliveira-dev]

Consolidado no PR #298. O comentário de revisão sobre restauração do estado global Dommel foi corrigido, respondido e resolvido no conjunto consolidado.