pub struct min_duration;Trait Implementations§
Source§impl<Rhs> Add<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Add>::Rhs>,
impl<Rhs> Add<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Add>::Rhs>,
Source§type Output = Add<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Add>::Rhs>>::Expression>
type Output = Add<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Add>::Rhs>>::Expression>
The resulting type after applying the
+ operator.Source§impl AppearsInFromClause<Only<table>> for min_duration
impl AppearsInFromClause<Only<table>> for min_duration
Source§impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for min_durationwhere
TSM: TablesampleMethod,
impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for min_durationwhere
TSM: TablesampleMethod,
Source§impl Clone for min_duration
impl Clone for min_duration
Source§fn clone(&self) -> min_duration
fn clone(&self) -> min_duration
Returns a duplicate 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 min_duration
impl Column for min_duration
Source§impl Debug for min_duration
impl Debug for min_duration
Source§impl Default for min_duration
impl Default for min_duration
Source§fn default() -> min_duration
fn default() -> min_duration
Returns the “default value” for a type. Read more
Source§impl<Rhs> Div<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Div>::Rhs>,
impl<Rhs> Div<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Div>::Rhs>,
Source§type Output = Div<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Div>::Rhs>>::Expression>
type Output = Div<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Div>::Rhs>>::Expression>
The resulting type after applying the
/ operator.Source§impl Expression for min_duration
impl Expression for min_duration
Source§impl<Rhs> Mul<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Mul>::Rhs>,
impl<Rhs> Mul<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Mul>::Rhs>,
Source§type Output = Mul<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Mul>::Rhs>>::Expression>
type Output = Mul<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Mul>::Rhs>>::Expression>
The resulting type after applying the
* operator.Source§impl<DB> QueryFragment<DB> for min_durationwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
impl<DB> QueryFragment<DB> for min_durationwhere
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 min_duration
impl QueryId for min_duration
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 = min_duration
type QueryId = min_duration
A type which uniquely represents
Self in a SQL query. Read moreSource§impl<Rhs> Sub<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Sub>::Rhs>,
impl<Rhs> Sub<Rhs> for min_durationwhere
Rhs: AsExpression<<<min_duration as Expression>::SqlType as Sub>::Rhs>,
Source§type Output = Sub<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Sub>::Rhs>>::Expression>
type Output = Sub<min_duration, <Rhs as AsExpression<<<min_duration as Expression>::SqlType as Sub>::Rhs>>::Expression>
The resulting type after applying the
- operator.Source§impl ValidGrouping<()> for min_duration
impl ValidGrouping<()> for min_duration
Source§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
Source§impl<__GB> ValidGrouping<__GB> for min_durationwhere
__GB: IsContainedInGroupBy<min_duration, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for min_durationwhere
__GB: IsContainedInGroupBy<min_duration, Output = Yes>,
Source§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for min_durationwhere
QS: AppearsInFromClause<table, Count = Once>,
impl Copy for min_duration
impl SelectableExpression<Only<table>> for min_duration
impl<TSM> SelectableExpression<Tablesample<table, TSM>> for min_durationwhere
TSM: TablesampleMethod,
impl SelectableExpression<table> for min_duration
Auto Trait Implementations§
impl Freeze for min_duration
impl RefUnwindSafe for min_duration
impl Send for min_duration
impl Sync for min_duration
impl Unpin for min_duration
impl UnwindSafe for min_duration
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
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> FutureExt for T
impl<T> FutureExt for T
§fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
§fn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
§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>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T in a tonic::Request§impl<T> IntoSql for T
impl<T> IntoSql for T
§impl<L> LayerExt<L> for L
impl<L> LayerExt<L> for L
§fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>where
L: Layer<S>,
fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>where
L: Layer<S>,
Applies the layer to a service and wraps it in [
Layered].§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 moreSource§impl<T> PgTrgmExpressionMethods for Twhere
T: Expression,
impl<T> PgTrgmExpressionMethods for Twhere
T: Expression,
§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