SeaORM SQLx MySql example
Prepare:
Setup a test database and configure the connection string in main.rs.
Run bakery.sql to setup the test table and data.
Running:
cargo run
Example output:
Database { connection: SqlxMySqlPoolConnection }
===== =====
find all cakes: SELECT `cake`.`id`, `cake`.`name` FROM `cake`
Model { id: 1, name: "New York Cheese" }
Model { id: 2, name: "Chocolate Fudge" }
find all fruits: SELECT `fruit`.`id`, `fruit`.`name`, `fruit`.`cake_id` FROM `fruit`
Model { id: 1, name: "Blueberry", cake_id: Some(1) }
Model { id: 2, name: "Rasberry", cake_id: Some(1) }
Model { id: 3, name: "Strawberry", cake_id: Some(2) }
===== =====
find cakes and fruits: SELECT `cake`.`id` AS `A_id`, `cake`.`name` AS `A_name`, `fruit`.`id` AS `B_id`, `fruit`.`name` AS `B_name`, `fruit`.`cake_id` AS `B_cake_id` FROM `cake` LEFT JOIN `fruit` ON `cake`.`id` = `fruit`.`cake_id`
(Model { id: 1, name: "New York Cheese" }, Model { id: 2, name: "Rasberry", cake_id: Some(1) })
(Model { id: 1, name: "New York Cheese" }, Model { id: 1, name: "Blueberry", cake_id: Some(1) })
(Model { id: 2, name: "Chocolate Fudge" }, Model { id: 3, name: "Strawberry", cake_id: Some(2) })
===== =====
find one by primary key: SELECT `cake`.`id`, `cake`.`name` FROM `cake` WHERE `cake`.`id` = 1 LIMIT 1
Model { id: 1, name: "New York Cheese" }
find one by like: SELECT `cake`.`id`, `cake`.`name` FROM `cake` WHERE `cake`.`name` LIKE '%chocolate%' LIMIT 1
Model { id: 2, name: "Chocolate Fudge" }
find models belong to: SELECT `fruit`.`id`, `fruit`.`name`, `fruit`.`cake_id` FROM `fruit` INNER JOIN `cake` ON `cake`.`id` = `fruit`.`cake_id` WHERE `cake`.`id` = 1
Model { id: 1, name: "Blueberry", cake_id: Some(1) }
Model { id: 2, name: "Rasberry", cake_id: Some(1) }
===== =====
count fruits by cake: SELECT `cake`.`name`, COUNT(`fruit`.`id`) AS `num_of_fruits` FROM `cake` LEFT JOIN `fruit` ON `cake`.`id` = `fruit`.`cake_id` GROUP BY `cake`.`name`
SelectResult { name: "New York Cheese", num_of_fruits: 2 }
SelectResult { name: "Chocolate Fudge", num_of_fruits: 1 }