risingwave_frontend/optimizer/rule/
add_logstore_rule.rs

1// Copyright 2025 RisingWave Labs
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use crate::PlanRef;
16use crate::optimizer::plan_node::StreamSyncLogStore;
17use crate::optimizer::rule::{BoxedRule, Rule};
18
19pub struct AddLogstoreRule {}
20
21impl Rule for AddLogstoreRule {
22    fn apply(&self, plan: PlanRef) -> Option<PlanRef> {
23        plan.as_stream_hash_join()?;
24        let log_store_plan = StreamSyncLogStore::new(plan);
25        Some(log_store_plan.into())
26    }
27}
28
29impl AddLogstoreRule {
30    pub fn create() -> BoxedRule {
31        Box::new(Self {})
32    }
33}