risingwave_common/
constants.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
15pub mod hummock {
16
17    use bitflags::bitflags;
18    bitflags! {
19
20        #[derive(Default)]
21        pub struct CompactionFilterFlag: u32 {
22            const NONE = 0b00000000;
23            const STATE_CLEAN = 0b00000010;
24            const TTL = 0b00000100;
25        }
26    }
27
28    impl From<CompactionFilterFlag> for u32 {
29        fn from(flag: CompactionFilterFlag) -> Self {
30            flag.bits()
31        }
32    }
33}
34
35pub mod log_store {
36    use crate::types::DataType;
37    use crate::util::sort_util::OrderType;
38
39    pub const EPOCH_COLUMN_NAME: &str = "kv_log_store_epoch";
40    pub const SEQ_ID_COLUMN_NAME: &str = "kv_log_store_seq_id";
41    pub const ROW_OP_COLUMN_NAME: &str = "kv_log_store_row_op";
42    pub const VNODE_COLUMN_NAME: &str = "kv_log_store_vnode";
43
44    pub const EPOCH_COLUMN_TYPE: DataType = DataType::Int64;
45    pub const SEQ_ID_COLUMN_TYPE: DataType = DataType::Int32;
46    pub const ROW_OP_COLUMN_TYPE: DataType = DataType::Int16;
47    pub const VNODE_COLUMN_TYPE: DataType = DataType::Int16;
48
49    pub mod v1 {
50        use std::sync::LazyLock;
51
52        use super::*;
53
54        /// `epoch`, `seq_id`, `row_op`
55        pub const KV_LOG_STORE_PREDEFINED_COLUMNS: [(&str, DataType); 3] = [
56            (EPOCH_COLUMN_NAME, EPOCH_COLUMN_TYPE),
57            (SEQ_ID_COLUMN_NAME, SEQ_ID_COLUMN_TYPE),
58            (ROW_OP_COLUMN_NAME, ROW_OP_COLUMN_TYPE),
59        ];
60
61        pub const EPOCH_COLUMN_INDEX: usize = 0;
62        pub const SEQ_ID_COLUMN_INDEX: usize = 1;
63        pub const ROW_OP_COLUMN_INDEX: usize = 2;
64
65        /// `epoch`, `seq_id`
66        pub static PK_ORDERING: LazyLock<[OrderType; 2]> =
67            LazyLock::new(|| [OrderType::ascending(), OrderType::ascending_nulls_last()]);
68    }
69
70    pub mod v2 {
71        use std::sync::LazyLock;
72
73        use super::*;
74
75        /// `epoch`, `seq_id`, `vnode`, `row_op`
76        pub const KV_LOG_STORE_PREDEFINED_COLUMNS: [(&str, DataType); 4] = [
77            (EPOCH_COLUMN_NAME, EPOCH_COLUMN_TYPE),
78            (SEQ_ID_COLUMN_NAME, SEQ_ID_COLUMN_TYPE),
79            (VNODE_COLUMN_NAME, VNODE_COLUMN_TYPE),
80            (ROW_OP_COLUMN_NAME, ROW_OP_COLUMN_TYPE),
81        ];
82
83        pub const EPOCH_COLUMN_INDEX: usize = 0;
84        pub const SEQ_ID_COLUMN_INDEX: usize = 1;
85        pub const VNODE_COLUMN_INDEX: usize = 2;
86        pub const ROW_OP_COLUMN_INDEX: usize = 3;
87
88        pub static PK_ORDERING: LazyLock<[OrderType; 3]> = LazyLock::new(|| {
89            [
90                OrderType::ascending(),
91                OrderType::ascending_nulls_last(),
92                OrderType::ascending(),
93            ]
94        });
95    }
96}
risingwave_common/constants.rs

risingwave_common/
constants.rs
