risinglight 0.2.0

An OLAP database system for educational purpose
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

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

use super::plan_nodes::PlanRef;

mod filter_agg_rule;
mod filter_join_rule;
mod filter_scan_rule;
mod limit_order_rule;
pub use filter_agg_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>;