risingwave_stream/from_proto/
locality_provider.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 std::sync::Arc;
16
17use risingwave_pb::stream_plan::LocalityProviderNode;
18use risingwave_storage::StateStore;
19
20use super::*;
21use crate::common::table::state_table::StateTableBuilder;
22use crate::executor::Executor;
23use crate::executor::locality_provider::LocalityProviderExecutor;
24
25impl ExecutorBuilder for LocalityProviderBuilder {
26    type Node = LocalityProviderNode;
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 locality_columns = node
36            .locality_columns
37            .iter()
38            .map(|&i| i as usize)
39            .collect::<Vec<_>>();
40
41        let input_schema = input.schema().clone();
42
43        let vnodes = Some(Arc::new(
44            params
45                .vnode_bitmap
46                .expect("vnodes not set for locality provider"),
47        ));
48
49        // Create state table for buffering input data
50        let state_table = StateTableBuilder::new(
51            node.get_state_table().unwrap(),
52            store.clone(),
53            vnodes.clone(),
54        )
55        .enable_preload_all_rows_by_config(&params.actor_context.streaming_config)
56        .build()
57        .await;
58
59        // Create progress table for tracking backfill progress
60        let progress_table =
61            StateTableBuilder::new(node.get_progress_table().unwrap(), store, vnodes)
62                .enable_preload_all_rows_by_config(&params.actor_context.streaming_config)
63                .build()
64                .await;
65
66        let progress = params
67            .local_barrier_manager
68            .register_create_mview_progress(params.actor_context.id);
69
70        let exec = LocalityProviderExecutor::new(
71            input,
72            locality_columns,
73            state_table,
74            progress_table,
75            input_schema,
76            progress,
77            params.executor_stats.clone(),
78            params.env.config().developer.chunk_size,
79            params.actor_context.fragment_id,
80        );
81
82        Ok((params.info, exec).into())
83    }
84}
85
86pub struct LocalityProviderBuilder;
risingwave_stream/from_proto/locality_provider.rs

risingwave_stream/from_proto/
locality_provider.rs
