dbx_core::sql::executor::fragment_splitter

Struct FragmentDAG

pub struct FragmentDAG {
    pub coordinator_plan: Option<PhysicalPlan>,
    pub stages: Vec<FragmentStage>,
}

Expand description

분할 결과 — 코디네이터 플랜과 스테이지 배열의 쌍 (Fragment DAG)

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§coordinator_plan: Option<PhysicalPlan>

코디네이터가 실행할 플랜 (Join 이상, 입력은 Exchange 수신으로 교체됨) None이면 플랜이 분산 실행 대상이 아님 (단일 노드 실행)

§stages: Vec<FragmentStage>

워커 노드들이 실행할 스테이지 플랜들의 위상 정렬된 배열

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impl UnwindSafe for FragmentDAG

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