risingwave_stream/from_proto/
changelog.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 risingwave_pb::stream_plan::ChangeLogNode;
16use risingwave_storage::StateStore;
17
18use super::ExecutorBuilder;
19use crate::error::StreamResult;
20use crate::executor::{ChangeLogExecutor, Executor};
21use crate::task::ExecutorParams;
22
23pub struct ChangeLogExecutorBuilder;
24
25impl ExecutorBuilder for ChangeLogExecutorBuilder {
26    type Node = ChangeLogNode;
27
28    async fn new_boxed_executor(
29        params: ExecutorParams,
30        node: &Self::Node,
31        _store: impl StateStore,
32    ) -> StreamResult<Executor> {
33        let [input]: [_; 1] = params.input.try_into().unwrap();
34
35        let vnodes = params
36            .vnode_bitmap
37            .expect("vnodes not set for changelog executor");
38        let vnode_count = params.actor_context.vnode_count;
39        let distribution_keys = node
40            .distribution_keys
41            .iter()
42            .map(|k| *k as usize)
43            .collect::<Vec<_>>();
44        let exec = ChangeLogExecutor::new(
45            params.actor_context,
46            input,
47            node.need_op,
48            vnode_count,
49            vnodes,
50            distribution_keys,
51        );
52        Ok((params.info, exec).into())
53    }
54}
risingwave_stream/from_proto/changelog.rs

risingwave_stream/from_proto/
changelog.rs
