Trait diesel::query_dsl::methods::SelectDsl

pub trait SelectDsl<Selection: Expression> {
    type Output;

    fn select(self, selection: Selection) -> Self::Output;
}

The select method

This trait should not be relied on directly by most apps. Its behavior is provided by QueryDsl. However, you may need a where clause on this trait to call select from generic code.

Required Associated Types

type Output

The type returned by .select

Required Methods

fn select(self, selection: Selection) -> Self::Output

See the trait documentation

Implementors

impl<S, Selection> SelectDsl<Selection> for Alias<S>where
    Selection: Expression,
    Self: AsQuery,
    <Self as AsQuery>::Query: SelectDsl<Selection>,

type Output = <<Alias<S> as AsQuery>::Query as SelectDsl<Selection>>::Output

impl<T, Selection> SelectDsl<Selection> for Twhere
    Selection: Expression,
    T: Table,
    T::Query: SelectDsl<Selection>,

type Output = <<T as AsQuery>::Query as SelectDsl<Selection>>::Output