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feat(pj_base): add DatasetDescriptor::requested_id for streaming lockstep #115

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feat(pj_base): add DatasetDescriptor::requested_id for streaming lockstep #115

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6 changes: 6 additions & 0 deletions pj_base/include/pj_base/dataset.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@ struct DatasetDescriptor {
std::string source_name;
/// Time domain used by all topics in this dataset.
TimeDomainId time_domain_id = 0;
/// When non-zero, create the dataset with this exact DatasetId instead of the
/// next auto-assigned one (fails if already in use; advances the counter past
/// it). Lets the streaming lockstep mirror give the secondary engine the SAME
/// DatasetId as the primary even when their counters have drifted (e.g. a file
/// loaded between streams touched only the primary). Zero = auto-assign.
DatasetId requested_id = 0;
};

/// Materialized dataset record stored in the engine.
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