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// Copyright 2022 RisingLight Project Authors. Licensed under Apache-2.0.

use super::plan_nodes::PlanRef;

mod filter_join_rule;
mod filter_scan_rule;
mod limit_order_rule;
pub use filter_join_rule::*;
pub use filter_scan_rule::*;
pub use limit_order_rule::*;

pub trait Rule: Send + Sync + 'static {
    fn apply(&self, plan: PlanRef) -> Result<PlanRef, ()>;
}

pub(super) type BoxedRule = Box<dyn Rule>;