operator/req_convert/insert/
table_to_region.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::InsertRequests as RegionInsertRequests;
16use api::v1::Rows;
17use partition::manager::PartitionRuleManager;
18use table::metadata::TableInfo;
19use table::requests::InsertRequest as TableInsertRequest;
20
21use crate::error::Result;
22use crate::insert::InstantAndNormalInsertRequests;
23use crate::req_convert::common::partitioner::Partitioner;
24use crate::req_convert::common::{column_schema, row_count};
25
26pub struct TableToRegion<'a> {
27    table_info: &'a TableInfo,
28    partition_manager: &'a PartitionRuleManager,
29}
30
31impl<'a> TableToRegion<'a> {
32    pub fn new(table_info: &'a TableInfo, partition_manager: &'a PartitionRuleManager) -> Self {
33        Self {
34            table_info,
35            partition_manager,
36        }
37    }
38
39    pub async fn convert(
40        &self,
41        request: TableInsertRequest,
42    ) -> Result<InstantAndNormalInsertRequests> {
43        let row_count = row_count(&request.columns_values)?;
44        let schema = column_schema(self.table_info, &request.columns_values)?;
45        let rows = api::helper::vectors_to_rows(request.columns_values.values(), row_count);
46
47        let rows = Rows { schema, rows };
48        let requests = Partitioner::new(self.partition_manager)
49            .partition_insert_requests(self.table_info, rows)
50            .await?;
51
52        let requests = RegionInsertRequests { requests };
53        if self.table_info.is_ttl_instant_table() {
54            Ok(InstantAndNormalInsertRequests {
55                normal_requests: Default::default(),
56                instant_requests: requests,
57            })
58        } else {
59            Ok(InstantAndNormalInsertRequests {
60                normal_requests: requests,
61                instant_requests: Default::default(),
62            })
63        }
64    }
65}
66
67#[cfg(test)]
68mod tests {
69    use std::collections::HashMap;
70    use std::sync::Arc;
71
72    use api::v1::helper::tag_column_schema;
73    use api::v1::region::InsertRequest as RegionInsertRequest;
74    use api::v1::value::ValueData;
75    use api::v1::{ColumnDataType, Row, Value};
76    use common_catalog::consts::{DEFAULT_CATALOG_NAME, DEFAULT_SCHEMA_NAME};
77    use datatypes::vectors::{Int32Vector, VectorRef};
78    use store_api::storage::RegionId;
79
80    use super::*;
81    use crate::tests::{
82        create_partition_rule_manager, new_test_table_info, prepare_mocked_backend,
83    };
84
85    #[tokio::test]
86    async fn test_insert_request_table_to_region() {
87        // region to datanode placement:
88        // 1 -> 1
89        // 2 -> 2
90        // 3 -> 3
91        //
92        // region value ranges:
93        // 1 -> [50, max)
94        // 2 -> [10, 50)
95        // 3 -> (min, 10)
96
97        let backend = prepare_mocked_backend().await;
98        let partition_manager = create_partition_rule_manager(backend.clone()).await;
99        let table_info = new_test_table_info(1, "table_1", vec![0u32, 1, 2].into_iter());
100
101        let converter = TableToRegion::new(&table_info, &partition_manager);
102
103        let table_request = build_table_request(Arc::new(Int32Vector::from(vec![
104            Some(1),
105            None,
106            Some(11),
107            Some(101),
108        ])));
109
110        let region_requests = converter.convert(table_request).await.unwrap();
111        let mut region_id_to_region_requests = region_requests
112            .normal_requests
113            .requests
114            .into_iter()
115            .map(|r| (r.region_id, r))
116            .collect::<HashMap<_, _>>();
117
118        let region_id = RegionId::new(1, 1).as_u64();
119        let region_request = region_id_to_region_requests.remove(&region_id).unwrap();
120        assert_eq!(
121            region_request,
122            build_region_request(vec![Some(101)], region_id)
123        );
124
125        let region_id = RegionId::new(1, 2).as_u64();
126        let region_request = region_id_to_region_requests.remove(&region_id).unwrap();
127        assert_eq!(
128            region_request,
129            build_region_request(vec![Some(11)], region_id)
130        );
131
132        let region_id = RegionId::new(1, 3).as_u64();
133        let region_request = region_id_to_region_requests.remove(&region_id).unwrap();
134        assert_eq!(
135            region_request,
136            build_region_request(vec![Some(1), None], region_id)
137        );
138    }
139
140    fn build_table_request(vector: VectorRef) -> TableInsertRequest {
141        TableInsertRequest {
142            catalog_name: DEFAULT_CATALOG_NAME.to_string(),
143            schema_name: DEFAULT_SCHEMA_NAME.to_string(),
144            table_name: "table_1".to_string(),
145            columns_values: HashMap::from([("a".to_string(), vector)]),
146        }
147    }
148
149    fn build_region_request(rows: Vec<Option<i32>>, region_id: u64) -> RegionInsertRequest {
150        RegionInsertRequest {
151            region_id,
152            rows: Some(Rows {
153                schema: vec![tag_column_schema("a", ColumnDataType::Int32)],
154                rows: rows
155                    .into_iter()
156                    .map(|v| Row {
157                        values: vec![Value {
158                            value_data: v.map(ValueData::I32Value),
159                        }],
160                    })
161                    .collect(),
162            }),
163        }
164    }
165}
operator/req_convert/insert/table_to_region.rs

operator/req_convert/insert/
table_to_region.rs
