Files
lmxopcua/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common/ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common.csproj
T
Joseph Doherty 8c6d6aff6a refactor(historian): extract Driver.Historian.Sql.Common from the SQL Server backend (no behaviour change) (1a)
Moves the database-independent logic of the SQL Server historian backend into a new
shared library for the upcoming QuestDB backend (#666): status codes and bits, value/column
mapping, StoredSample + quality clamp, the AtTime and aggregate evaluators, BucketPlan,
LiveWritePreparer and HistoryUpdatePlanner (both with a resolutionTicks parameter, default 1),
tag-name rules, the bootstrap failure cache, health counters, alarm event ids, the event
continuation and severity clamp. The SQL Server backend now calls it; its T-SQL, TVP
builders, connection, bootstrapper and catalog stay.

Tests: StatusCodeOracleTests, ValueWriterPrepareTests, the column half of SampleRowMapperTests
and ProcessedReadTests.Every_enum_member_is_either_served_or_refused move to the new
Sql.Common.Tests under the same names. SqlServer integration tests get mechanical renames
only. Test-name set across the three projects is identical to the baseline (160 tests).

Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
2026-10-11 01:26:49 -04:00

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XML

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
<NoWarn>$(NoWarn);CS1591</NoWarn>
<Platforms>AnyCPU;x64</Platforms>
<RootNamespace>ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common</RootNamespace>
</PropertyGroup>
<!--
The database-independent core shared by the SQL historian backends (SQL Server, QuestDB): status codes and bits,
value/column mapping, the AtTime and aggregate evaluators, bucket planning, live-write preparation, HistoryUpdate
result planning and the bootstrap failure cache. NO database client and no I/O.
-->
<ItemGroup>
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core.Abstractions\ZB.MOM.WW.OtOpcUa.Core.Abstractions.csproj"/>
<!-- AlarmEventIds.ComputeEventId takes an AlarmHistorianEvent (same signature as the SQL Server writer had). -->
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian\ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian.csproj"/>
</ItemGroup>
</Project>