query/
physical_wrapper.rs

1// Copyright 2023 Greptime Team
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 std::sync::Arc;
16
17use datafusion::physical_plan::ExecutionPlan;
18use session::context::QueryContextRef;
19
20/// wrap physical plan with additional layer
21/// e.g: metrics retrieving layer upon physical plan
22pub trait PhysicalPlanWrapper: Send + Sync + 'static {
23    fn wrap(&self, origin: Arc<dyn ExecutionPlan>, ctx: QueryContextRef) -> Arc<dyn ExecutionPlan>;
24}
25
26pub type PhysicalPlanWrapperRef = Arc<dyn PhysicalPlanWrapper>;
query/physical_wrapper.rs

query/
physical_wrapper.rs
