pub struct uniq_hash;
Trait Implementations§
source§impl Expression for uniq_hash
impl Expression for uniq_hash
source§impl<DB> QueryFragment<DB, NotSpecialized> for uniq_hashwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
impl<DB> QueryFragment<DB, NotSpecialized> for uniq_hashwhere DB: Backend, StaticQueryFragmentInstance<table>: QueryFragment<DB>,
source§impl QueryId for uniq_hash
impl QueryId for uniq_hash
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 ValidGrouping<()> for uniq_hash
impl ValidGrouping<()> for uniq_hash
§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
source§impl<__GB> ValidGrouping<__GB> for uniq_hashwhere
__GB: IsContainedInGroupBy<uniq_hash, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for uniq_hashwhere __GB: IsContainedInGroupBy<uniq_hash, Output = Yes>,
§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for uniq_hashwhere QS: AppearsInFromClause<table, Count = Once>,
impl Copy for uniq_hash
impl SelectableExpression<Only<table>> for uniq_hash
impl SelectableExpression<table> for uniq_hash
Auto Trait Implementations§
impl RefUnwindSafe for uniq_hash
impl Send for uniq_hash
impl Sync for uniq_hash
impl Unpin for uniq_hash
impl UnwindSafe for uniq_hash
Blanket Implementations§
source§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
source§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<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB, NotSpecialized> + QueryId,
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere Conn: Connection<Backend = DB>, DB: Backend, T: QueryFragment<DB, NotSpecialized> + QueryId,
source§impl<T> ExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: SingleValue,
impl<T> ExpressionMethods for Twhere T: Expression, <T as Expression>::SqlType: SingleValue,
source§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 moresource§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 moresource§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 moresource§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 moresource§fn is_not_null(self) -> Grouped<IsNotNull<Self>>
fn is_not_null(self) -> Grouped<IsNotNull<Self>>
Creates a SQL
IS NOT NULL
expression. Read moresource§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 moresource§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 moresource§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 moresource§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 moresource§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 moresource§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 moresource§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoSql for T
impl<T> IntoSql for T
source§fn into_sql<T>(self) -> Self::Expressionwhere
Self: AsExpression<T> + Sized,
T: SqlType + TypedExpressionType,
fn into_sql<T>(self) -> Self::Expressionwhere Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,
Convert
self
to an expression for Diesel’s query builder. Read moresource§fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expressionwhere
&'a Self: AsExpression<T>,
T: SqlType + TypedExpressionType,
fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expressionwhere &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,
Convert
&self
to an expression for Diesel’s query builder. Read moresource§impl<T> NullableExpressionMethods for Twhere
T: Expression,
impl<T> NullableExpressionMethods for Twhere T: Expression,
source§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
source§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 moresource§impl<T> PgExpressionMethods for Twhere
T: Expression,
impl<T> PgExpressionMethods for Twhere T: Expression,
source§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 moresource§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> PgTextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
impl<T> PgTextExpressionMethods for Twhere T: Expression, <T as Expression>::SqlType: TextOrNullableText,
source§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 moresource§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 moresource§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 moresource§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 moresource§impl<T> TextExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: TextOrNullableText,
impl<T> TextExpressionMethods for Twhere T: Expression, <T as Expression>::SqlType: TextOrNullableText,
source§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 moresource§fn like<T>(
self,
other: T
) -> Grouped<Like<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn like<T>( self, other: T ) -> Grouped<Like<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Returns a SQL
LIKE
expression Read moresource§fn not_like<T>(
self,
other: T
) -> Grouped<NotLike<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn not_like<T>( self, other: T ) -> Grouped<NotLike<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Returns a SQL
NOT LIKE
expression Read more