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 QueryId for now
[src]

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

HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type? Read more

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more

impl Debug for now
[src]

Formats the value using the given formatter. Read more

impl Copy for now
[src]

impl Clone for now
[src]

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl Expression for now
[src]

The type that this expression represents in SQL

impl NonAggregate for now
[src]

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

Walk over this QueryFragment for all passes. Read more

Converts this QueryFragment to its SQL representation. Read more

Serializes all bind parameters in this query. Read more

Is this query safe to store in the prepared statement cache? Read more

impl<QS> SelectableExpression<QS> for now where
    now: AppearsOnTable<QS>, 
[src]

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

impl<Rhs> Add<Rhs> for now where
    Rhs: AsExpression<<<now as Expression>::SqlType as Add>::Rhs>, 
[src]

The resulting type after applying the + operator.

Performs the + operation.

impl<Rhs> Sub<Rhs> for now where
    Rhs: AsExpression<<<now as Expression>::SqlType as Sub>::Rhs>, 
[src]

The resulting type after applying the - operator.

Performs the - operation.

impl AsExpression<Timestamptz> for now
[src]

The expression being returned

Perform the conversion

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

The expression being returned

Perform the conversion

Auto Trait Implementations

impl Send for now

impl Sync for now