operator/req_convert/common/
partitioner.rs

1// Copyright 2023 Greptime Team
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 api::v1::region::{DeleteRequest, InsertRequest};
16use api::v1::Rows;
17use partition::manager::PartitionRuleManager;
18use snafu::ResultExt;
19use store_api::storage::{RegionId, TableId};
20
21use crate::error::{Result, SplitDeleteSnafu, SplitInsertSnafu};
22
23pub struct Partitioner<'a> {
24    partition_manager: &'a PartitionRuleManager,
25}
26
27impl<'a> Partitioner<'a> {
28    pub fn new(partition_manager: &'a PartitionRuleManager) -> Self {
29        Self { partition_manager }
30    }
31
32    pub async fn partition_insert_requests(
33        &self,
34        table_id: TableId,
35        rows: Rows,
36    ) -> Result<Vec<InsertRequest>> {
37        let requests = self
38            .partition_manager
39            .split_rows(table_id, rows)
40            .await
41            .context(SplitInsertSnafu)?
42            .into_iter()
43            .map(|(region_number, rows)| InsertRequest {
44                region_id: RegionId::new(table_id, region_number).into(),
45                rows: Some(rows),
46            })
47            .collect();
48        Ok(requests)
49    }
50
51    pub async fn partition_delete_requests(
52        &self,
53        table_id: TableId,
54        rows: Rows,
55    ) -> Result<Vec<DeleteRequest>> {
56        let requests = self
57            .partition_manager
58            .split_rows(table_id, rows)
59            .await
60            .context(SplitDeleteSnafu)?
61            .into_iter()
62            .map(|(region_number, rows)| DeleteRequest {
63                region_id: RegionId::new(table_id, region_number).into(),
64                rows: Some(rows),
65            })
66            .collect();
67        Ok(requests)
68    }
69}
operator/req_convert/common/partitioner.rs

operator/req_convert/common/
partitioner.rs
