risingwave_stream/from_proto/approx_percentile/
global.rs

1// Copyright 2024 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_stream_node_body!(GlobalApproxPercentile(GlobalApproxPercentileNode) => GlobalApproxPercentileExecutorBuilder);
24
25impl ExecutorBuilder for GlobalApproxPercentileExecutorBuilder {
26    type Node = GlobalApproxPercentileNode;
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        let bucket_table = node
35            .bucket_state_table
36            .as_ref()
37            .expect("bucket_state_table not provided");
38        let count_table = node
39            .count_state_table
40            .as_ref()
41            .expect("count_state_table not provided");
42        let bucket_state_table = StateTableBuilder::new(bucket_table, store.clone(), None)
43            .enable_preload_all_rows_by_config(&params.config)
44            .build()
45            .await;
46        let count_state_table = StateTableBuilder::new(count_table, store, None)
47            .enable_preload_all_rows_by_config(&params.config)
48            .build()
49            .await;
50        let exec = GlobalApproxPercentileExecutor::new(
51            params.actor_context,
52            input,
53            node.quantile,
54            node.base,
55            params.config.developer.chunk_size,
56            bucket_state_table,
57            count_state_table,
58        )
59        .boxed();
60        Ok(Executor::new(params.info, exec))
61    }
62}
risingwave_stream/from_proto/approx_percentile/global.rs

risingwave_stream/from_proto/approx_percentile/
global.rs
