risingwave_stream/from_proto/
lookup.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_common::catalog::{ColumnDesc, ColumnId};
16use risingwave_common::util::sort_util::ColumnOrder;
17use risingwave_pb::plan_common::StorageTableDesc;
18use risingwave_pb::stream_plan::LookupNode;
19use risingwave_storage::table::batch_table::BatchTable;
20
21use super::*;
22use crate::executor::{LookupExecutor, LookupExecutorParams};
23
24pub struct LookupExecutorBuilder;
25
26impl ExecutorBuilder for LookupExecutorBuilder {
27    type Node = LookupNode;
28
29    async fn new_boxed_executor(
30        params: ExecutorParams,
31        node: &Self::Node,
32        store: impl StateStore,
33    ) -> StreamResult<Executor> {
34        let lookup = node;
35
36        let [stream, arrangement]: [_; 2] = params.input.try_into().unwrap();
37
38        let arrangement_order_rules = lookup
39            .get_arrangement_table_info()?
40            .arrange_key_orders
41            .iter()
42            .map(ColumnOrder::from_protobuf)
43            .collect();
44
45        let arrangement_col_descs = lookup
46            .get_arrangement_table_info()?
47            .column_descs
48            .iter()
49            .map(ColumnDesc::from)
50            .collect();
51
52        let table_desc: &StorageTableDesc = lookup
53            .get_arrangement_table_info()?
54            .table_desc
55            .as_ref()
56            .unwrap();
57
58        let column_ids = lookup
59            .get_arrangement_table_info()?
60            .get_output_col_idx()
61            .iter()
62            .map(|&idx| ColumnId::new(table_desc.columns[idx as usize].column_id))
63            .collect_vec();
64
65        let storage_table = BatchTable::new_partial(
66            store,
67            column_ids,
68            params.vnode_bitmap.map(Into::into),
69            table_desc,
70        );
71
72        let exec = LookupExecutor::new(LookupExecutorParams {
73            ctx: params.actor_context,
74            info: params.info.clone(),
75            arrangement,
76            stream,
77            arrangement_col_descs,
78            arrangement_order_rules,
79            use_current_epoch: lookup.use_current_epoch,
80            stream_join_key_indices: lookup.stream_key.iter().map(|x| *x as usize).collect(),
81            arrange_join_key_indices: lookup.arrange_key.iter().map(|x| *x as usize).collect(),
82            column_mapping: lookup.column_mapping.iter().map(|x| *x as usize).collect(),
83            batch_table: storage_table,
84            watermark_epoch: params.watermark_epoch,
85            chunk_size: params.env.config().developer.chunk_size,
86        });
87        Ok((params.info, exec).into())
88    }
89}
risingwave_stream/from_proto/lookup.rs

risingwave_stream/from_proto/
lookup.rs
