caisin/sea-orm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Trait bound

Browse Source
This commit is contained in:
Chris Tsang 2021-05-11 12:34:47 +08:00
parent 71378350af
commit f1165b5b8f
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/entity/base.rs
View File

@ -1,7 +1,7 @@
use crate::{
ColumnTrait, ModelTrait, PrimaryKeyTrait, RelationBuilder, RelationTrait, RelationType, Select,
ColumnTrait, ModelTrait, PrimaryKeyTrait, RelationBuilder, RelationTrait, RelationType, Select, PrimaryKeyOfModel
};
use sea_query::{Expr, Iden, IntoIden, Value};
use sea_query::{Iden, IntoIden, Value};
use std::fmt::Debug;
pub use strum::IntoEnumIterator as Iterable;
@ -65,12 +65,13 @@ pub trait EntityTrait: EntityName {
/// ```
fn find_by<V>(v: V) -> Select<Self>
where
V: Into<Value>,
V: Into<Value>, Self::PrimaryKey: PrimaryKeyOfModel<Self::Model>
{
let mut select = Self::find();
if let Some(key) = Self::PrimaryKey::iter().next() {
// TODO: supporting composite primary key
select = select.filter(Expr::tbl(Self::default(), key).eq(v));
let col = key.into_column();
select = select.filter(col.eq(v));
} else {
panic!("undefined primary key");
}