Struct diesel::expression::dsl::Sum [] [src]

pub struct Sum<T> { /* fields omitted */ }

Trait Implementations

impl<T: Copy> Copy for Sum<T>
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impl<T: Clone> Clone for Sum<T>
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Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl<T: Debug> Debug for Sum<T>
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Formats the value using the given formatter.

impl<ST, T> Expression for Sum<T> where ST: Foldable, T: Expression<SqlType=ST>
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impl<T, DB> QueryFragment<DB> for Sum<T> where T: Expression + QueryFragment<DB>,
        DB: Backend + HasSqlType<T::SqlType>
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impl<T> QueryId for Sum<T> where T: QueryId
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impl<T, QS> SelectableExpression<QS> for Sum<T> where Sum<T>: Expression,
        T: SelectableExpression<QS>
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