body

sqlite_wasm_example::schema::posts::columns

Struct body 

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pub struct body;

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impl AppearsInFromClause<Only<table>> for body

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type Count = Once

How many times does Self appear in QS?
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impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for body
where TSM: TablesampleMethod,

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type Count = Once

How many times does Self appear in QS?
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impl Clone for body

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fn clone(&self) -> body

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Column for body

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const NAME: &'static str = "body"

The name of this column
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type Table = table

The table which this column belongs to
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impl Debug for body

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for body

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fn default() -> body

Returns the “default value” for a type. Read more
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impl Expression for body

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type SqlType = Text

The type that this expression represents in SQL
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impl<DB> QueryFragment<DB> for body
where DB: Backend, StaticQueryFragmentInstance<table>: QueryFragment<DB>,

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fn walk_ast<'b>( &'b self, __diesel_internal_out: AstPass<'_, 'b, DB>, ) -> QueryResult<()>

Walk over this QueryFragment for all passes. Read more
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fn to_sql( &self, out: &mut <DB as Backend>::QueryBuilder, backend: &DB, ) -> Result<(), Error>

Converts this QueryFragment to its SQL representation. Read more
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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
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fn is_safe_to_cache_prepared(&self, backend: &DB) -> Result<bool, Error>

Is this query safe to store in the prepared statement cache? Read more
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fn is_noop(&self, backend: &DB) -> Result<bool, Error>

Does walking this AST have any effect?
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impl QueryId for body

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const HAS_STATIC_QUERY_ID: bool = true

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

A type which uniquely represents Self in a SQL query. Read more
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fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
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impl ValidGrouping<()> for body

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type IsAggregate = No

Is this expression aggregate? Read more
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impl<__GB> ValidGrouping<__GB> for body
where __GB: IsContainedInGroupBy<body, Output = Yes>,

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type IsAggregate = Yes

Is this expression aggregate? Read more
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impl<QS> AppearsOnTable<QS> for body
where QS: AppearsInFromClause<table, Count = Once>,

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impl Copy for body

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impl SelectableExpression<Only<table>> for body

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impl<TSM> SelectableExpression<Tablesample<table, TSM>> for body
where TSM: TablesampleMethod,

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impl SelectableExpression<table> for body

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impl Freeze for body

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impl RefUnwindSafe for body

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impl Send for body

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impl Sync for body

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impl Unpin for body

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impl UnwindSafe for body

Blanket Implementations§

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impl<T> AggregateExpressionMethods for T

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fn aggregate_distinct(self) -> Self::Output
where Self: DistinctDsl,

DISTINCT modifier for aggregate functions Read more
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fn aggregate_all(self) -> Self::Output
where Self: AllDsl,

ALL modifier for aggregate functions Read more
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fn aggregate_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add an aggregate function filter Read more
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fn aggregate_order<O>(self, o: O) -> Self::Output
where Self: OrderAggregateDsl<O>,

Add an aggregate function order Read more
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T, ST> AsExpression<ST> for T
where T: Expression<SqlType = ST>, ST: SqlType + TypedExpressionType,

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type Expression = T

The expression being returned
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fn as_expression(self) -> T

Perform the conversion
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSend for T
where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T
where Conn: Connection<Backend = DB>, DB: Backend, T: QueryFragment<DB> + QueryId,

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fn execute(query: T, conn: &mut Conn) -> Result<usize, Error>

Execute this command
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impl<T> ExpressionMethods for T
where T: Expression, <T as Expression>::SqlType: SingleValue,

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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
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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
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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
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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
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fn is_null(self) -> Grouped<IsNull<Self>>

Creates a SQL IS NULL expression. Read more
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fn is_not_null(self) -> Grouped<IsNotNull<Self>>

Creates a SQL IS NOT NULL expression. Read more
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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
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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
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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
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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
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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
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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
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fn cast<ST>(self) -> Cast<Self, ST>
where ST: SingleValue, Self::SqlType: CastsTo<ST>,

Generates a CAST(expr AS sql_type) expression Read more
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fn fallible_cast<ST>(self) -> Cast<Self, ST>
where ST: SingleValue, Self::SqlType: FallibleCastsTo<ST>,

Generates a CAST(expr AS sql_type) expression, this version does not check the castability, like cast(). Read more
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fn desc(self) -> Desc<Self>

Creates a SQL DESC expression, representing this expression in descending order. Read more
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fn asc(self) -> Asc<Self>

Creates a SQL ASC expression, representing this expression in ascending order. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression
where Self: Sized + AsExpression<T>, T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
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impl<T> NullableExpressionMethods for T
where T: Expression,

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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
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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
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impl<C> OrderDecorator for C
where C: Column,

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type Column = C

A column on a database table.
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impl<T> PgExpressionMethods for T
where T: Expression,

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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
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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
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fn is_contained_by_range<T>( self, other: T, ) -> Grouped<IsContainedBy<Self, <T as AsExpression<Range<Self::SqlType>>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Range<Self::SqlType>>,

Creates a PostgreSQL <@ expression. Read more
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impl<T> PgTextExpressionMethods for T
where T: Expression, <T as Expression>::SqlType: TextOrNullableText,

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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
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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
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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
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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
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fn is_json(self) -> IsJson<Self>

Creates a PostgreSQL IS JSON expression. Requires PostgreSQL>=16 Read more
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fn is_not_json(self) -> IsNotJson<Self>

Creates a PostgreSQL IS NOT JSON expression. Requires PostgreSQL>=16 Read more
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fn is_json_object(self) -> IsJsonObject<Self>

Creates a PostgreSQL IS JSON OBJECT expression. Requires PostgreSQL>=16 Read more
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fn is_not_json_object(self) -> IsNotJsonObject<Self>

Creates a PostgreSQL IS NOT JSON OBJECT expression. Requires PostgreSQL>=16 Read more
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fn is_json_array(self) -> IsJsonArray<Self>

Creates a PostgreSQL IS JSON ARRAY expression. Requires PostgreSQL>=16 Read more
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fn is_not_json_array(self) -> IsNotJsonArray<Self>

Creates a PostgreSQL IS NOT JSON ARRAY expression. Requires PostgreSQL>=16 Read more
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fn is_json_scalar(self) -> IsJsonScalar<Self>

Creates a PostgreSQL IS JSON SCALAR expression. Requires PostgreSQL>=16 Read more
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fn is_not_json_scalar(self) -> IsNotJsonScalar<Self>

Creates a PostgreSQL IS NOT JSON SCALAR expression. Requires PostgreSQL>=16 Read more
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impl<T, DB> QueryFragmentForCachedStatement<DB> for T
where DB: Backend, <DB as Backend>::QueryBuilder: Default, T: QueryFragment<DB>,

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fn construct_sql(&self, backend: &DB) -> Result<String, Error>

Convert the query fragment into a SQL string for the given backend
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fn is_safe_to_cache_prepared(&self, backend: &DB) -> Result<bool, Error>

Check whether it’s safe to cache the query
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impl<T> SqliteExpressionMethods for T
where T: Expression,

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fn is<T>( self, other: T, ) -> Grouped<Is<Self, <T as AsExpression<Self::SqlType>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,

Creates a Sqlite IS expression. Read more
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fn is_not<T>( self, other: T, ) -> Grouped<IsNot<Self, <T as AsExpression<Self::SqlType>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,

Creates a Sqlite IS NOT expression. Read more
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impl<T> TextExpressionMethods for T
where T: Expression, <T as Expression>::SqlType: TextOrNullableText,

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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
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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 more
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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
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WindowExpressionMethods for T

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fn over(self) -> Self::Output
where Self: OverDsl,

Turn a function call into a window function call Read more
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fn window_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add a filter to the current window function Read more
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fn partition_by<E>(self, expr: E) -> Self::Output
where Self: PartitionByDsl<E>,

Add a partition clause to the current window function Read more
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fn window_order<E>(self, expr: E) -> Self::Output
where Self: OrderWindowDsl<E>,

Add a order clause to the current window function Read more
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fn frame_by<E>(self, expr: E) -> Self::Output
where Self: FrameDsl<E>,

Add a frame clause to the current window function Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> NonAggregate for T
where T: ValidGrouping<()>, <T as ValidGrouping<()>>::IsAggregate: MixedAggregates<No, Output = No>,