Function left_join

tests/relational_tests.rs:19–117

()

// DATABASE_URL="mysql://root:@localhost" cargo test --features sqlx-mysql,runtime-async-std-native-tls --test relational_tests
#[sea_orm_macros::test]
pub async fn left_join() {
    let ctx = TestContext::new("test_left_join").await;
    create_tables(&ctx.db).await.unwrap();

    let bakery = bakery::ActiveModel {
        name: Set("SeaSide Bakery".to_owned()),
        profit_margin: Set(10.4),
        ..Default::default()
    }
    .insert(&ctx.db)
    .await
    .expect("could not insert bakery");

    let _baker_1 = baker::ActiveModel {
        name: Set("Baker 1".to_owned()),
        contact_details: Set(serde_json::json!({
            "mobile": "+61424000000",
            "home": "0395555555",
            "address": "12 Test St, Testville, Vic, Australia"
        })),
        bakery_id: Set(Some(bakery.id)),
        ..Default::default()
    }
    .insert(&ctx.db)
    .await
    .expect("could not insert baker");

    let _baker_2 = baker::ActiveModel {
        name: Set("Baker 2".to_owned()),
        contact_details: Set(serde_json::json!({})),
        bakery_id: Set(None),
        ..Default::default()
    }
    .insert(&ctx.db)
    .await
    .expect("could not insert baker");

    #[derive(Debug, FromQueryResult)]
    struct SelectResult {
        name: String,
        bakery_name: Option<String>,
    }

    let select = baker::Entity::find()
        .left_join(bakery::Entity)
        .select_only()
        .column(baker::Column::Name)
        .column_as(bakery::Column::Name, "bakery_name")
        .filter(baker::Column::Name.contains("Baker 1"));

    let result = select
        .clone()
        .into_model::<SelectResult>()
        .one(&ctx.db)
        .await
        .unwrap()
        .unwrap();
    assert_eq!(result.name.as_str(), "Baker 1");