risingwave_meta_model/
fragment.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_pb::meta::table_fragments::fragment::PbFragmentDistributionType;
16use sea_orm::entity::prelude::*;
17use serde::{Deserialize, Serialize};
18
19use crate::{FragmentId, I32Array, ObjectId, StreamNode};
20
21#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
22#[sea_orm(table_name = "fragment")]
23pub struct Model {
24    #[sea_orm(primary_key)]
25    pub fragment_id: FragmentId,
26    pub job_id: ObjectId,
27    pub fragment_type_mask: i32,
28    pub distribution_type: DistributionType,
29    /// Note: the `StreamNode` is different from the final plan node used by actors.
30    /// Specifically, `Merge` nodes' `upstream_actor_id` will be filled. (See `compose_fragment`)
31    pub stream_node: StreamNode,
32    pub state_table_ids: I32Array,
33    #[deprecated]
34    pub upstream_fragment_id: I32Array,
35    pub vnode_count: i32,
36}
37
38#[derive(Copy, Clone, Debug, PartialEq, Eq, EnumIter, DeriveActiveEnum, Serialize, Deserialize)]
39#[sea_orm(rs_type = "String", db_type = "string(None)")]
40pub enum DistributionType {
41    #[sea_orm(string_value = "SINGLE")]
42    Single,
43    #[sea_orm(string_value = "HASH")]
44    Hash,
45}
46
47impl From<DistributionType> for PbFragmentDistributionType {
48    fn from(val: DistributionType) -> Self {
49        match val {
50            DistributionType::Single => PbFragmentDistributionType::Single,
51            DistributionType::Hash => PbFragmentDistributionType::Hash,
52        }
53    }
54}
55
56impl From<PbFragmentDistributionType> for DistributionType {
57    fn from(val: PbFragmentDistributionType) -> Self {
58        match val {
59            PbFragmentDistributionType::Unspecified => unreachable!(),
60            PbFragmentDistributionType::Single => DistributionType::Single,
61            PbFragmentDistributionType::Hash => DistributionType::Hash,
62        }
63    }
64}
65
66#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
67pub enum Relation {
68    #[sea_orm(has_many = "super::actor::Entity")]
69    Actor,
70    #[sea_orm(
71        belongs_to = "super::object::Entity",
72        from = "Column::JobId",
73        to = "super::object::Column::Oid",
74        on_update = "NoAction",
75        on_delete = "Cascade"
76    )]
77    Object,
78}
79
80impl Related<super::actor::Entity> for Entity {
81    fn to() -> RelationDef {
82        Relation::Actor.def()
83    }
84}
85
86impl Related<super::object::Entity> for Entity {
87    fn to() -> RelationDef {
88        Relation::Object.def()
89    }
90}
91
92impl ActiveModelBehavior for ActiveModel {}
risingwave_meta_model/fragment.rs

risingwave_meta_model/
fragment.rs
