Trait Operator 

pub trait Operator: Send + Sync {
    // Required methods
    fn id(&self) -> FlowNodeId;
    fn apply(
        &self,
        txn: &mut FlowTransaction,
        change: FlowChange,
        evaluator: &StandardRowEvaluator,
    ) -> Result<FlowChange>;
    fn get_rows(
        &self,
        txn: &mut FlowTransaction,
        rows: &[RowNumber],
    ) -> Result<Vec<Option<Row>>>;
}

Required Methods

fn id(&self) -> FlowNodeId

fn apply( &self, txn: &mut FlowTransaction, change: FlowChange, evaluator: &StandardRowEvaluator, ) -> Result<FlowChange>

fn get_rows( &self, txn: &mut FlowTransaction, rows: &[RowNumber], ) -> Result<Vec<Option<Row>>>

Implementors