risingwave_stream/from_proto/
values.rs

1// Copyright 2023 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_stream_node_body!(Values(ValuesNode) => ValuesExecutorBuilder);
30
31impl ExecutorBuilder for ValuesExecutorBuilder {
32    type Node = ValuesNode;
33
34    async fn new_boxed_executor(
35        params: ExecutorParams,
36        node: &ValuesNode,
37        _store: impl StateStore,
38    ) -> StreamResult<Executor> {
39        let barrier_receiver = params
40            .local_barrier_manager
41            .subscribe_barrier(params.actor_context.id);
42        let progress = params
43            .local_barrier_manager
44            .register_create_mview_progress(&params.actor_context);
45        let rows = node
46            .get_tuples()
47            .iter()
48            .map(|tuple| {
49                tuple
50                    .get_cells()
51                    .iter()
52                    .map(|node| {
53                        build_non_strict_from_prost(node, params.eval_error_report.clone()).unwrap()
54                    })
55                    .collect_vec()
56            })
57            .collect_vec();
58        let exec = ValuesExecutor::new(
59            params.actor_context,
60            params.info.schema.clone(),
61            progress,
62            rows,
63            barrier_receiver,
64        );
65        Ok((params.info, exec).into())
66    }
67}
risingwave_stream/from_proto/values.rs

risingwave_stream/from_proto/
values.rs
