pub struct created_at;
Trait Implementations§
Source§impl<Rhs> Add<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Add>::Rhs>,
impl<Rhs> Add<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Add>::Rhs>,
Source§type Output = Add<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Add>::Rhs>>::Expression>
type Output = Add<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Add>::Rhs>>::Expression>
The resulting type after applying the
+
operator.Source§impl AppearsInFromClause<Only<table>> for created_at
impl AppearsInFromClause<Only<table>> for created_at
Source§impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for created_atwhere
TSM: TablesampleMethod,
impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for created_atwhere
TSM: TablesampleMethod,
Source§impl Clone for created_at
impl Clone for created_at
Source§fn clone(&self) -> created_at
fn clone(&self) -> created_at
Returns a copy of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Column for created_at
impl Column for created_at
Source§impl Debug for created_at
impl Debug for created_at
Source§impl Default for created_at
impl Default for created_at
Source§fn default() -> created_at
fn default() -> created_at
Returns the “default value” for a type. Read more
Source§impl<Rhs> Div<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Div>::Rhs>,
impl<Rhs> Div<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Div>::Rhs>,
Source§type Output = Div<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Div>::Rhs>>::Expression>
type Output = Div<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Div>::Rhs>>::Expression>
The resulting type after applying the
/
operator.Source§impl Expression for created_at
impl Expression for created_at
Source§impl<Rhs> Mul<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Mul>::Rhs>,
impl<Rhs> Mul<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Mul>::Rhs>,
Source§type Output = Mul<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Mul>::Rhs>>::Expression>
type Output = Mul<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Mul>::Rhs>>::Expression>
The resulting type after applying the
*
operator.Source§impl<DB> QueryFragment<DB> for created_atwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
impl<DB> QueryFragment<DB> for created_atwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
Source§fn walk_ast<'b>(
&'b self,
__diesel_internal_out: AstPass<'_, 'b, DB>,
) -> QueryResult<()>
fn walk_ast<'b>( &'b self, __diesel_internal_out: AstPass<'_, 'b, DB>, ) -> QueryResult<()>
Walk over this
QueryFragment
for all passes. Read more§fn to_sql(
&self,
out: &mut <DB as Backend>::QueryBuilder,
backend: &DB,
) -> Result<(), Error>
fn to_sql( &self, out: &mut <DB as Backend>::QueryBuilder, backend: &DB, ) -> Result<(), Error>
Converts this
QueryFragment
to its SQL representation. Read more§fn collect_binds<'b>(
&'b self,
out: &mut <DB as Backend>::BindCollector<'b>,
metadata_lookup: &mut <DB as TypeMetadata>::MetadataLookup,
backend: &'b DB,
) -> Result<(), Error>
fn collect_binds<'b>( &'b self, out: &mut <DB as Backend>::BindCollector<'b>, metadata_lookup: &mut <DB as TypeMetadata>::MetadataLookup, backend: &'b DB, ) -> Result<(), Error>
Serializes all bind parameters in this query. Read more
Source§impl QueryId for created_at
impl QueryId for created_at
Source§const HAS_STATIC_QUERY_ID: bool = true
const HAS_STATIC_QUERY_ID: bool = true
Can the SQL generated by
Self
be uniquely identified by its type? Read moreSource§type QueryId = created_at
type QueryId = created_at
A type which uniquely represents
Self
in a SQL query. Read moreSource§impl<Rhs> Sub<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Sub>::Rhs>,
impl<Rhs> Sub<Rhs> for created_atwhere
Rhs: AsExpression<<<created_at as Expression>::SqlType as Sub>::Rhs>,
Source§type Output = Sub<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Sub>::Rhs>>::Expression>
type Output = Sub<created_at, <Rhs as AsExpression<<<created_at as Expression>::SqlType as Sub>::Rhs>>::Expression>
The resulting type after applying the
-
operator.Source§impl ValidGrouping<()> for created_at
impl ValidGrouping<()> for created_at
Source§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
Source§impl<__GB> ValidGrouping<__GB> for created_atwhere
__GB: IsContainedInGroupBy<created_at, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for created_atwhere
__GB: IsContainedInGroupBy<created_at, Output = Yes>,
Source§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for created_atwhere
QS: AppearsInFromClause<table, Count = Once>,
impl Copy for created_at
impl SelectableExpression<Only<table>> for created_at
impl<TSM> SelectableExpression<Tablesample<table, TSM>> for created_atwhere
TSM: TablesampleMethod,
impl SelectableExpression<table> for created_at
Auto Trait Implementations§
impl Freeze for created_at
impl RefUnwindSafe for created_at
impl Send for created_at
impl Sync for created_at
impl Unpin for created_at
impl UnwindSafe for created_at
Blanket Implementations§
§impl<T, ST> AsExpression<ST> for Twhere
T: Expression<SqlType = ST>,
ST: SqlType + TypedExpressionType,
impl<T, ST> AsExpression<ST> for Twhere
T: Expression<SqlType = ST>,
ST: SqlType + TypedExpressionType,
§type Expression = T
type Expression = T
The expression being returned
§fn as_expression(self) -> T
fn as_expression(self) -> T
Perform the conversion
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> Chain<T> for T
impl<T> Chain<T> for T
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
§impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: AsyncConnection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId + Send,
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: AsyncConnection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId + Send,
§fn execute<'conn, 'query>(
query: T,
conn: &'conn mut Conn,
) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>where
T: 'query,
fn execute<'conn, 'query>(
query: T,
conn: &'conn mut Conn,
) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>where
T: 'query,
Execute this command
§impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId,
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId,
§impl<T> ExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: SingleValue,
impl<T> ExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: SingleValue,
§fn eq<T>(
self,
other: T,
) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn eq<T>(
self,
other: T,
) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
=
expression. Read more§fn ne<T>(
self,
other: T,
) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn ne<T>(
self,
other: T,
) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
!=
expression. Read more§fn eq_any<T>(
self,
values: T,
) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
fn eq_any<T>(
self,
values: T,
) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
Creates a SQL
IN
statement. Read more§fn ne_all<T>(
self,
values: T,
) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
fn ne_all<T>(
self,
values: T,
) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
Creates a SQL
NOT IN
statement. Read more§fn is_not_null(self) -> Grouped<IsNotNull<Self>>
fn is_not_null(self) -> Grouped<IsNotNull<Self>>
Creates a SQL
IS NOT NULL
expression. Read more§fn gt<T>(
self,
other: T,
) -> Grouped<Gt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn gt<T>(
self,
other: T,
) -> Grouped<Gt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
>
expression. Read more§fn ge<T>(
self,
other: T,
) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn ge<T>(
self,
other: T,
) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
>=
expression. Read more§fn lt<T>(
self,
other: T,
) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn lt<T>(
self,
other: T,
) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
<
expression. Read more§fn le<T>(
self,
other: T,
) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn le<T>(
self,
other: T,
) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a SQL
<=
expression. Read more§fn between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<Between<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
fn between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<Between<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
Creates a SQL
BETWEEN
expression using the given lower and upper
bounds. Read more§fn not_between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<NotBetween<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
fn not_between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<NotBetween<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
Creates a SQL
NOT BETWEEN
expression using the given lower and upper
bounds. Read more§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<T> IntoSql for T
impl<T> IntoSql for T
§impl<T> NullableExpressionMethods for Twhere
T: Expression,
impl<T> NullableExpressionMethods for Twhere
T: Expression,
§fn nullable(self) -> Nullable<Self>
fn nullable(self) -> Nullable<Self>
Converts this potentially non-null expression into one which is treated
as nullable. This method has no impact on the generated SQL, and is only
used to allow certain comparisons that would otherwise fail to compile. Read more
§fn assume_not_null(self) -> AssumeNotNull<Self>
fn assume_not_null(self) -> AssumeNotNull<Self>
Converts this potentially nullable expression into one which will be assumed
to be not-null. This method has no impact on the generated SQL, however it will
enable you to attempt deserialization of the returned value in a non-
Option
. Read more§impl<T> PgExpressionMethods for Twhere
T: Expression,
impl<T> PgExpressionMethods for Twhere
T: Expression,
§fn is_not_distinct_from<T>(
self,
other: T,
) -> Grouped<IsNotDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn is_not_distinct_from<T>(
self,
other: T,
) -> Grouped<IsNotDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a PostgreSQL
IS NOT DISTINCT FROM
expression. Read more§fn is_distinct_from<T>(
self,
other: T,
) -> Grouped<IsDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn is_distinct_from<T>(
self,
other: T,
) -> Grouped<IsDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Creates a PostgreSQL
IS DISTINCT FROM
expression. Read more§impl<T> PolicyExt for Twhere
T: ?Sized,
impl<T> PolicyExt for Twhere
T: ?Sized,
§impl<T, DB> QueryFragmentForCachedStatement<DB> for Twhere
DB: Backend,
<DB as Backend>::QueryBuilder: Default,
T: QueryFragment<DB>,
impl<T, DB> QueryFragmentForCachedStatement<DB> for Twhere
DB: Backend,
<DB as Backend>::QueryBuilder: Default,
T: QueryFragment<DB>,
§fn construct_sql(&self, backend: &DB) -> Result<String, Error>
fn construct_sql(&self, backend: &DB) -> Result<String, Error>
Convert the query fragment into a SQL string for the given backend
§fn is_safe_to_cache_prepared(&self, backend: &DB) -> Result<bool, Error>
fn is_safe_to_cache_prepared(&self, backend: &DB) -> Result<bool, Error>
Check whether it’s safe to cache the query
§impl<T, Conn> RunQueryDsl<Conn> for T
impl<T, Conn> RunQueryDsl<Conn> for T
§fn execute<'conn, 'query>(
self,
conn: &'conn mut Conn,
) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>where
Conn: AsyncConnection + Send,
Self: ExecuteDsl<Conn> + 'query,
fn execute<'conn, 'query>(
self,
conn: &'conn mut Conn,
) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>where
Conn: AsyncConnection + Send,
Self: ExecuteDsl<Conn> + 'query,
Executes the given command, returning the number of rows affected. Read more
§fn load<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>where
U: Send,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
fn load<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>where
U: Send,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
§fn load_stream<'conn, 'query, U>(
self,
conn: &'conn mut Conn,
) -> Self::LoadFuture<'conn>where
Conn: AsyncConnection,
U: 'conn,
Self: LoadQuery<'query, Conn, U> + 'query,
fn load_stream<'conn, 'query, U>(
self,
conn: &'conn mut Conn,
) -> Self::LoadFuture<'conn>where
Conn: AsyncConnection,
U: 'conn,
Self: LoadQuery<'query, Conn, U> + 'query,
Executes the given query, returning a [
Stream
] with the returned rows. Read more§fn get_result<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>>where
U: Send + 'conn,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
fn get_result<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>>where
U: Send + 'conn,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
Runs the command, and returns the affected row. Read more
§fn get_results<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>where
U: Send,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
fn get_results<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>where
U: Send,
Conn: AsyncConnection,
Self: LoadQuery<'query, Conn, U> + 'query,
Runs the command, returning an
Vec
with the affected rows. Read more§fn first<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: <Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>) -> Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>>
fn first<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: <Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>) -> Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>>
Attempts to load a single record. Read more