Struct diesel::dsl::now[][src]

pub struct now;

Represents the SQL CURRENT_TIMESTAMP constant. This is equivalent to the NOW() function on backends that support it.

Trait Implementations

impl<Rhs> Add<Rhs> for now where
    Rhs: AsExpression<<<now as Expression>::SqlType as Add>::Rhs>, 
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type Output = Add<Self, Rhs::Expression>

The resulting type after applying the + operator.

impl AsExpression<Nullable<Timestamp>> for now[src]

type Expression = Coerce<now, Nullable<Timestamp>>

The expression being returned

impl AsExpression<Nullable<Timestamptz>> for now[src]

type Expression = Coerce<now, Nullable<Timestamptz>>

The expression being returned

impl AsExpression<Timestamptz> for now[src]

type Expression = Coerce<now, Timestamptz>

The expression being returned

impl Clone for now[src]

impl Debug for now[src]

impl Expression for now[src]

type SqlType = Timestamp

The type that this expression represents in SQL

impl<DB: Backend> QueryFragment<DB> for now[src]

impl QueryId for now[src]

type QueryId = now

A type which uniquely represents Self in a SQL query. Read more

impl<Rhs> Sub<Rhs> for now where
    Rhs: AsExpression<<<now as Expression>::SqlType as Sub>::Rhs>, 
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type Output = Sub<Self, Rhs::Expression>

The resulting type after applying the - operator.

impl<__GroupByClause> ValidGrouping<__GroupByClause> for now[src]

type IsAggregate = Never

Is this expression aggregate? Read more

impl<QS> AppearsOnTable<QS> for now where
    now: Expression
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impl Copy for now[src]

impl<QS> SelectableExpression<QS> for now where
    now: AppearsOnTable<QS>, 
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Auto Trait Implementations

impl RefUnwindSafe for now

impl Send for now

impl Sync for now

impl Unpin for now

impl UnwindSafe for now

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T, ST> AsExpression<ST> for T where
    T: Expression<SqlType = ST>,
    ST: SqlType + TypedExpressionType
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type Expression = T

The expression being returned

impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T where
    DB: Backend,
    T: QueryFragment<DB> + QueryId,
    Conn: Connection<Backend = DB>, 
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impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> IntoSql for T[src]

impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>, 
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