sea-orm 0.8.0

🐚 An async & dynamic ORM for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88

use crate as sea_orm;
use crate::entity::prelude::*;

#[derive(Copy, Clone, Default, Debug, DeriveEntity)]
#[sea_orm(table_name = "filling")]
pub struct Entity;

#[derive(Clone, Debug, PartialEq, DeriveModel, DeriveActiveModel)]
pub struct Model {
    pub id: i32,
    pub name: String,
    pub vendor_id: Option<i32>,
    #[sea_orm(ignore)]
    pub ignored_attr: i32,
}

// If your column names are not in snake-case, derive `DeriveCustomColumn` here.
#[derive(Copy, Clone, Debug, EnumIter, DeriveCustomColumn)]
pub enum Column {
    Id,
    Name,
    VendorId,
}

// Then, customize each column names here.
impl IdenStatic for Column {
    fn as_str(&self) -> &str {
        match self {
            // Override column names
            Self::Id => "id",
            // Leave all other columns using default snake-case values
            _ => self.default_as_str(),
        }
    }
}

#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey)]
pub enum PrimaryKey {
    Id,
}

impl PrimaryKeyTrait for PrimaryKey {
    type ValueType = i32;

    fn auto_increment() -> bool {
        true
    }
}

#[derive(Copy, Clone, Debug, EnumIter)]
pub enum Relation {
    Vendor,
}

impl ColumnTrait for Column {
    type EntityName = Entity;

    fn def(&self) -> ColumnDef {
        match self {
            Self::Id => ColumnType::Integer.def(),
            Self::Name => ColumnType::String(None).def(),
            Self::VendorId => ColumnType::Integer.def().nullable(),
        }
    }
}

impl RelationTrait for Relation {
    fn def(&self) -> RelationDef {
        match self {
            Self::Vendor => Entity::belongs_to(super::vendor::Entity)
                .from(Column::VendorId)
                .to(super::vendor::Column::Id)
                .into(),
        }
    }
}

impl Related<super::cake::Entity> for Entity {
    fn to() -> RelationDef {
        super::cake_filling::Relation::Cake.def()
    }

    fn via() -> Option<RelationDef> {
        Some(super::cake_filling::Relation::Filling.def().rev())
    }
}

impl ActiveModelBehavior for ActiveModel {}