Full OPC UA server on .NET Framework 4.8 (x86) exposing AVEVA System Platform Galaxy tags via MXAccess. Mirrors Galaxy object hierarchy as OPC UA address space, translating contained-name browse paths to tag-name runtime references. Components implemented: - Configuration: AppConfiguration with 4 sections, validator - Domain: ConnectionState, Quality, Vtq, MxDataTypeMapper, error codes - MxAccess: StaComThread, MxAccessClient (partial classes), MxProxyAdapter using strongly-typed ArchestrA.MxAccess COM interop - Galaxy Repository: SQL queries (hierarchy, attributes, change detection), ChangeDetectionService with auto-rebuild on deploy - OPC UA Server: LmxNodeManager (CustomNodeManager2), LmxOpcUaServer, OpcUaServerHost with programmatic config, SecurityPolicy None - Status Dashboard: HTTP server with HTML/JSON/health endpoints - Integration: Full 14-step startup, graceful shutdown, component wiring 175 tests (174 unit + 1 integration), all passing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
9 lines
219 B
Transact-SQL
9 lines
219 B
Transact-SQL
-- Table: deleted_visual_element
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CREATE TABLE [deleted_visual_element] (
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[visual_element_name] nvarchar(329) NULL,
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[visual_element_type] nvarchar(32) NULL,
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[timestamp_of_delete] timestamp NOT NULL
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);
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GO
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