Fix BoundaryAggregate default stream identity#4588
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jeremydmiller merged 2 commits intoMay 29, 2026
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The JasperFx SG emits IGeneratedSyncEvolver<TDoc, string> for boundary aggregates (#324). EventGraph.Build<TDoc>() was picking TId from StreamIdentity, so under the default AsGuid the runtime built SingleStreamProjection<TDoc, Guid> and FetchForWritingByTags<TDoc>(...) threw "No source-generated dispatcher found ...". Force TId=string when [BoundaryAggregate] is present, regardless of StreamIdentity. Existing dcb_boundary_aggregate_fetch_for_writing_tests only covered StreamIdentity.AsString; added a sibling fixture for the default-Guid path.
This was referenced May 30, 2026
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Match SG
TId=stringfor[BoundaryAggregate]inEventGraph.Build<TDoc>The JasperFx SG emits
IGeneratedSyncEvolver<TDoc, string>for boundary aggregates (#324).EventGraph.Build<TDoc>()was pickingTIdfromStreamIdentity, so under the defaultAsGuidthe runtime builtSingleStreamProjection<TDoc, Guid>andFetchForWritingByTags<TDoc>(...)threwNo source-generated dispatcher found .... ForceTId=stringwhen[BoundaryAggregate]is present, regardless ofStreamIdentity.Existing dcb_boundary_aggregate_fetch_for_writing_tests only covered
StreamIdentity.AsString;added a sibling fixture for the default-Guid path.Also a little unrelated .gitgnore entry (was sitting in my local commit)