risingwave_stream/from_proto/approx_percentile/
global.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::GlobalApproxPercentileNode;
16
17use crate::common::table::state_table::StateTableBuilder;
18use crate::executor::GlobalApproxPercentileExecutor;
19use crate::from_proto::*;
20
21pub struct GlobalApproxPercentileExecutorBuilder;
22
23impl ExecutorBuilder for GlobalApproxPercentileExecutorBuilder {
24    type Node = GlobalApproxPercentileNode;
25
26    async fn new_boxed_executor(
27        params: ExecutorParams,
28        node: &Self::Node,
29        store: impl StateStore,
30    ) -> StreamResult<Executor> {
31        let [input]: [_; 1] = params.input.try_into().unwrap();
32        let bucket_table = node
33            .bucket_state_table
34            .as_ref()
35            .expect("bucket_state_table not provided");
36        let count_table = node
37            .count_state_table
38            .as_ref()
39            .expect("count_state_table not provided");
40        let bucket_state_table = StateTableBuilder::new(bucket_table, store.clone(), None)
41            .enable_preload_all_rows_by_config(&params.actor_context.streaming_config)
42            .build()
43            .await;
44        let count_state_table = StateTableBuilder::new(count_table, store, None)
45            .enable_preload_all_rows_by_config(&params.actor_context.streaming_config)
46            .build()
47            .await;
48        let exec = GlobalApproxPercentileExecutor::new(
49            params.actor_context,
50            input,
51            node.quantile,
52            node.base,
53            params.env.config().developer.chunk_size,
54            bucket_state_table,
55            count_state_table,
56        )
57        .boxed();
58        Ok(Executor::new(params.info, exec))
59    }
60}
risingwave_stream/from_proto/approx_percentile/global.rs

risingwave_stream/from_proto/approx_percentile/
global.rs
