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StreamingQuery

polars_stream

Struct StreamingQuery 

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pub struct StreamingQuery {
    pub graph: Graph,
    pub root_phys_node: PhysNodeKey,
    pub phys_sm: SlotMap<PhysNodeKey, PhysNode>,
    pub phys_to_graph: SecondaryMap<PhysNodeKey, GraphNodeKey>,
    pub metrics: Option<Arc<Mutex<GraphMetrics>>>,
    /* private fields */
}

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§graph: Graph§root_phys_node: PhysNodeKey§phys_sm: SlotMap<PhysNodeKey, PhysNode>§phys_to_graph: SecondaryMap<PhysNodeKey, GraphNodeKey>§metrics: Option<Arc<Mutex<GraphMetrics>>>

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impl StreamingQuery

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pub fn build( node: Node, ir_arena: &mut Arena<IR>, expr_arena: &mut Arena<AExpr>, ) -> PolarsResult<Self>

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pub fn execute(self) -> PolarsResult<QueryResult>

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