| pub trait Backend {} |
| pub trait SupportsDefaultKeyword {} |
| |
| impl SupportsDefaultKeyword for Postgres {} |
| |
| pub struct Postgres; |
| |
| impl Backend for Postgres {} |
| |
| pub struct AstPass<DB>(::std::marker::PhantomData<DB>); |
| |
| pub trait QueryFragment<DB: Backend> {} |
| |
| |
| #[derive(Debug, Clone, Copy)] |
| pub struct BatchInsert<'a, T: 'a, Tab> { |
| _marker: ::std::marker::PhantomData<(&'a T, Tab)>, |
| } |
| |
| impl<'a, T:'a, Tab, DB> QueryFragment<DB> for BatchInsert<'a, T, Tab> |
| where DB: SupportsDefaultKeyword + Backend, |
| {} |
| |
| pub trait LibToOwned { |
| type Owned; |
| } |
| |
| pub struct LibCow<T: LibToOwned, Owned = <T as LibToOwned>::Owned> { |
| pub t: T, |
| pub o: Owned, |
| } |
