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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,
{}
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