Function count_fruits_by_cake_json

examples/basic/src/select.rs:274–290

(db: &DbConn)

}

async fn count_fruits_by_cake_json(db: &DbConn) -> Result<(), DbErr> {
    print!("count fruits by cake: ");

    let count = Cake::find()
        .left_join(Fruit)
        .select_only()
        .column(cake::Column::Name)
        .column_as(fruit::Column::Id.count(), "num_of_fruits")
        .group_by(cake::Column::Name)
        .into_json()
        .all(db)
        .await?;

    println!("\n{}\n", serde_json::to_string_pretty(&count).unwrap());

    Ok(())
}

async fn find_all_stream(db: &DbConn) -> Result<(), DbErr> {
    use async_std::task::sleep;