derive_sql/
sqlable.rs

1/// Definition of `Sqlable` trait to be implemented to allow interaction with SQL tables.
2pub trait Sqlable {
3  /// Defines the struct corresponding to the items in the SQL table
4  type Item;
5  /// Defines the struct used for returning errors
6  type Error;
7  /// Defines the struct used for providing selection, filtering to the implementation of the trait
8  type Selector;
9
10  /// Count the number of items in the table meeting the selector requirements
11  fn count(&self, s: Self::Selector) -> Result<usize, Self::Error>;
12  /// Retrieve the array of items in the table meeting the selector requirements
13  fn select(&self, s: Self::Selector) -> Result<Vec<Self::Item>, Self::Error>;
14  /// Insert a new item in the table and returned the inserted item.
15  fn insert(&mut self, item: Self::Item) -> Result<Self::Item, Self::Error>;
16  /// Update items meeting the selector requirements with the values of the provided item. Returns
17  /// the array of items modified with their updated value
18  fn update(&mut self, s: Self::Selector, item: Self::Item) -> Result<Self::Item, Self::Error>;
19  /// Delete items in the table meeting the selector requirements
20  fn delete(&mut self, s: Self::Selector) -> Result<(), Self::Error>;
21  /// Delete the table from the database
22  fn delete_table(&mut self) -> Result<(), Self::Error>;
23}
24
derive_sql/sqlable.rs

derive_sql/
sqlable.rs
