pub struct token;
Trait Implementations§
Source§impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for tokenwhere
TSM: TablesampleMethod,
impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for tokenwhere
TSM: TablesampleMethod,
Source§impl<DB> QueryFragment<DB> for tokenwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
impl<DB> QueryFragment<DB> for tokenwhere
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 token
impl QueryId for token
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§impl SizeRestrictedColumn for token
impl SizeRestrictedColumn for token
Source§const MAX_LENGTH: usize = 64usize
const MAX_LENGTH: usize = 64usize
Max length of that column
Source§impl ValidGrouping<()> for token
impl ValidGrouping<()> for token
Source§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
Source§impl<__GB> ValidGrouping<__GB> for tokenwhere
__GB: IsContainedInGroupBy<token, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for tokenwhere
__GB: IsContainedInGroupBy<token, Output = Yes>,
Source§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for tokenwhere
QS: AppearsInFromClause<table, Count = Once>,
impl Copy for token
impl SelectableExpression<Only<table>> for token
impl<TSM> SelectableExpression<Tablesample<table, TSM>> for tokenwhere
TSM: TablesampleMethod,
impl SelectableExpression<table> for token
Auto Trait Implementations§
impl Freeze for token
impl RefUnwindSafe for token
impl Send for token
impl Sync for token
impl Unpin for token
impl UnwindSafe for token
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> PgTextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
impl<T> PgTextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
§fn ilike<T>(
self,
other: T,
) -> Grouped<ILike<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
fn ilike<T>(
self,
other: T,
) -> Grouped<ILike<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
Creates a PostgreSQL
ILIKE
expression Read more§fn not_ilike<T>(
self,
other: T,
) -> Grouped<NotILike<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
fn not_ilike<T>(
self,
other: T,
) -> Grouped<NotILike<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
Creates a PostgreSQL
NOT ILIKE
expression Read more§fn similar_to<T>(
self,
other: T,
) -> Grouped<SimilarTo<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
fn similar_to<T>(
self,
other: T,
) -> Grouped<SimilarTo<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
Creates a PostgreSQL
SIMILAR TO
expression Read more§fn not_similar_to<T>(
self,
other: T,
) -> Grouped<NotSimilarTo<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
fn not_similar_to<T>(
self,
other: T,
) -> Grouped<NotSimilarTo<Self, <T as AsExpression<Text>>::Expression>>where
T: AsExpression<Text>,
Creates a PostgreSQL
NOT SIMILAR TO
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
§impl<T> TextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
impl<T> TextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
§fn concat<T>(
self,
other: T,
) -> Grouped<Concat<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn concat<T>(
self,
other: T,
) -> Grouped<Concat<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
Concatenates two strings using the
||
operator. Read more