risingwave_stream/from_proto/
values.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 itertools::Itertools;
16use risingwave_expr::expr::build_non_strict_from_prost;
17use risingwave_pb::stream_plan::ValuesNode;
18use risingwave_storage::StateStore;
19
20use super::ExecutorBuilder;
21use crate::error::StreamResult;
22use crate::executor::{Executor, ValuesExecutor};
23use crate::task::ExecutorParams;
24
25/// Build a `ValuesExecutor` for stream. As is a leaf, current workaround registers a `sender` for
26/// this executor. May refractor with `BarrierRecvExecutor` in the near future.
27pub struct ValuesExecutorBuilder;
28
29impl ExecutorBuilder for ValuesExecutorBuilder {
30    type Node = ValuesNode;
31
32    async fn new_boxed_executor(
33        params: ExecutorParams,
34        node: &ValuesNode,
35        _store: impl StateStore,
36    ) -> StreamResult<Executor> {
37        let barrier_receiver = params
38            .local_barrier_manager
39            .subscribe_barrier(params.actor_context.id);
40        let progress = params
41            .local_barrier_manager
42            .register_create_mview_progress(params.actor_context.id);
43        let rows = node
44            .get_tuples()
45            .iter()
46            .map(|tuple| {
47                tuple
48                    .get_cells()
49                    .iter()
50                    .map(|node| {
51                        build_non_strict_from_prost(node, params.eval_error_report.clone()).unwrap()
52                    })
53                    .collect_vec()
54            })
55            .collect_vec();
56        let exec = ValuesExecutor::new(
57            params.actor_context,
58            params.info.schema.clone(),
59            progress,
60            rows,
61            barrier_receiver,
62        );
63        Ok((params.info, exec).into())
64    }
65}
risingwave_stream/from_proto/values.rs

risingwave_stream/from_proto/
values.rs
