Trait diesel::query_dsl::methods::DistinctDsl

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pub trait DistinctDsl {
    type Output;

    // Required method
    fn distinct(self) -> Distinct<Self>;
}

Expand description

The distinct 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 distinct from generic code.

Required Associated Types§

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type Output

The type returned by .distinct

Required Methods§

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fn distinct(self) -> Distinct<Self>

See the trait documentation.

Implementors§

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impl<T> DistinctDsl for T
where T: Table + AsQuery<Query = SelectStatement<FromClause<T>>>, T::DefaultSelection: Expression<SqlType = T::SqlType> + ValidGrouping<()>, T::SqlType: TypedExpressionType,