Function split_impl

datafusion/physical-expr/src/utils/mod.rs:142–157

(
    operator: Operator,
    predicate: &'a Arc<dyn PhysicalExpr>,
    mut exprs: Vec<&'a Arc<dyn PhysicalExpr>>,
)

}

fn split_impl<'a>(
    operator: Operator,
    predicate: &'a Arc<dyn PhysicalExpr>,
    mut exprs: Vec<&'a Arc<dyn PhysicalExpr>>,
) -> Vec<&'a Arc<dyn PhysicalExpr>> {
    match predicate.downcast_ref::<BinaryExpr>() {
        Some(binary) if binary.op() == &operator => {
            let exprs = split_impl(operator, binary.left(), exprs);
            split_impl(operator, binary.right(), exprs)
        }
        Some(_) | None => {
            exprs.push(predicate);
            exprs
        }
    }
}

/// This function maps back requirement after ProjectionExec
/// to the Executor for its input.