risingwave_stream/from_proto/
filter.rs

1// Copyright 2022 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_expr::expr::build_non_strict_from_prost;
16use risingwave_pb::stream_plan::FilterNode;
17use risingwave_pb::stream_plan::stream_node::PbStreamKind;
18
19use super::*;
20use crate::executor::{FilterExecutor, UpsertFilterExecutor};
21
22pub struct FilterExecutorBuilder;
23
24impl_stream_node_body!(Filter(FilterNode) => FilterExecutorBuilder);
25
26impl ExecutorBuilder for FilterExecutorBuilder {
27    type Node = FilterNode;
28
29    async fn new_boxed_executor(
30        params: ExecutorParams,
31        node: &Self::Node,
32        _store: impl StateStore,
33    ) -> StreamResult<Executor> {
34        let [input]: [_; 1] = params.input.try_into().unwrap();
35        let search_condition =
36            build_non_strict_from_prost(node.get_search_condition()?, params.eval_error_report)?;
37
38        let exec = if let PbStreamKind::Upsert = input.stream_kind() {
39            UpsertFilterExecutor::new(params.actor_context, input, search_condition).boxed()
40        } else {
41            FilterExecutor::new(params.actor_context, input, search_condition).boxed()
42        };
43        Ok((params.info, exec).into())
44    }
45}
risingwave_stream/from_proto/filter.rs

risingwave_stream/from_proto/
filter.rs
