JsonField

Struct JsonField

pub struct JsonField<T>(pub T);

Available on crate feature with-json only.

Expand description

Wrap a Rust value that should be encoded/decoded via a JSON/JSONB column.

Tuple Fields§

§0: T

Trait Implementations§

impl<T: Clone> Clone for JsonField<T>

fn clone(&self) -> JsonField<T>

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<T: Debug> Debug for JsonField<T>

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

Formats the value using the given formatter. Read more

impl<'de, T> Deserialize<'de> for JsonField<T>
where T: Deserialize<'de>,

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl<T> From<JsonField<T>> for Value
where T: Serialize,

fn from(source: JsonField<T>) -> Self

Converts to this type from the input type.

impl<T> From<T> for JsonField<T>

fn from(value: T) -> Self

Converts to this type from the input type.

impl<T> IntoActiveValue<JsonField<T>> for JsonField<T>
where T: Serialize,

fn into_active_value(self) -> ActiveValue<JsonField<T>>

Method to perform the conversion

impl<T> Nullable for JsonField<T>

fn null() -> Value

impl<T: PartialEq> PartialEq for JsonField<T>

fn eq(&self, other: &JsonField<T>) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T> Serialize for JsonField<T>
where T: Serialize,

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

impl<T> TryGetable for JsonField<T>
where for<'de> T: Deserialize<'de>,

fn try_get_by<I: ColIdx>( res: &QueryResult, index: I, ) -> Result<Self, TryGetError>

Get a value from the query result with an ColIdx

fn try_get(res: &QueryResult, pre: &str, col: &str) -> Result<Self, TryGetError>

Get a value from the query result with prefixed column name

fn try_get_by_index( res: &QueryResult, index: usize, ) -> Result<Self, TryGetError>

Get a value from the query result based on the order in the select expressions

impl<T> ValueType for JsonField<T>
where for<'de> T: Deserialize<'de>,

fn try_from(v: Value) -> Result<Self, ValueTypeErr>

fn type_name() -> String

fn array_type() -> ArrayType

fn column_type() -> ColumnType

fn unwrap(v: Value) -> Self

fn expect(v: Value, msg: &str) -> Self

fn is_option() -> bool

fn enum_type_name() -> Option<&'static str>

impl<T: Eq> Eq for JsonField<T>

impl<T> StructuralPartialEq for JsonField<T>

Auto Trait Implementations§

impl<T> Freeze for JsonField<T>
where T: Freeze,

impl<T> RefUnwindSafe for JsonField<T>
where T: RefUnwindSafe,

impl<T> Send for JsonField<T>
where T: Send,

impl<T> Sync for JsonField<T>
where T: Sync,

impl<T> Unpin for JsonField<T>
where T: Unpin,

impl<T> UnwindSafe for JsonField<T>
where T: UnwindSafe,

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> ExprTrait for T
where T: Into<Expr>,

fn as_enum<N>(self, type_name: N) -> Expr
where N: IntoIden,

Express a AS enum expression. Read more

fn binary<O, R>(self, op: O, right: R) -> Expr
where O: Into<BinOper>, R: Into<Expr>,

Create any binary operation Read more

fn cast_as<N>(self, type_name: N) -> Expr
where N: IntoIden,

Express a CAST AS expression. Read more

fn unary(self, op: UnOper) -> Expr

Apply any unary operator to the expression. Read more

fn max(self) -> Expr

Express a MAX function. Read more

fn min(self) -> Expr

Express a MIN function. Read more

fn sum(self) -> Expr

Express a SUM function. Read more

fn avg(self) -> Expr

Express a AVG (average) function. Read more

fn count(self) -> Expr

Express a COUNT function. Read more

fn count_distinct(self) -> Expr

Express a COUNT function with the DISTINCT modifier. Read more

fn if_null<V>(self, v: V) -> Expr
where V: Into<Expr>,

Express a IF NULL function. Read more

fn add<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an arithmetic addition operation. Read more

fn and<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a logical AND operation. Read more

fn between<A, B>(self, a: A, b: B) -> Expr
where A: Into<Expr>, B: Into<Expr>,

Express a BETWEEN expression. Read more

fn div<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an arithmetic division operation. Read more

fn eq<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an equal (=) expression. Read more

fn equals<C>(self, col: C) -> Expr
where C: IntoColumnRef,

Express a equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more

fn gt<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a greater than (>) expression. Read more

fn gte<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a greater than or equal (>=) expression. Read more

fn in_subquery(self, sel: SelectStatement) -> Expr

Express a IN sub-query expression. Read more

fn in_tuples<V, I>(self, v: I) -> Expr
where V: IntoValueTuple, I: IntoIterator<Item = V>,

Express a IN sub expression. Read more

fn is<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a IS expression. Read more

fn is_in<V, I>(self, v: I) -> Expr
where V: Into<Expr>, I: IntoIterator<Item = V>,

Express a IN expression. Read more

fn is_not<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a IS NOT expression. Read more

fn is_not_in<V, I>(self, v: I) -> Expr
where V: Into<Expr>, I: IntoIterator<Item = V>,

Express a NOT IN expression. Read more

fn is_not_null(self) -> Expr

Express a IS NOT NULL expression. Read more

fn is_null(self) -> Expr

Express a IS NULL expression. Read more

fn left_shift<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a bitwise left shift. Read more

fn like<L>(self, like: L) -> Expr
where L: IntoLikeExpr,

Express a LIKE expression. Read more

fn lt<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a less than (<) expression. Read more

fn lte<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a less than or equal (<=) expression. Read more

fn modulo<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an arithmetic modulo operation. Read more

fn mul<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an arithmetic multiplication operation. Read more

fn ne<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a not equal (<>) expression. Read more

fn not(self) -> Expr

Negates an expression with NOT. Read more

fn not_between<A, B>(self, a: A, b: B) -> Expr
where A: Into<Expr>, B: Into<Expr>,

Express a NOT BETWEEN expression. Read more

fn not_equals<C>(self, col: C) -> Expr
where C: IntoColumnRef,

Express a not equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more

fn not_in_subquery(self, sel: SelectStatement) -> Expr

Express a NOT IN sub-query expression. Read more

fn not_like<L>(self, like: L) -> Expr
where L: IntoLikeExpr,

Express a NOT LIKE expression. Read more

fn or<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a logical OR operation. Read more

fn right_shift<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a bitwise right shift. Read more

fn sub<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express an arithmetic subtraction operation. Read more

fn bit_and<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a bitwise AND operation. Read more

fn bit_or<R>(self, right: R) -> Expr
where R: Into<Expr>,

Express a bitwise OR operation. Read more

impl<T> From<!> for T

fn from(t: !) -> T

Converts to this type from the input type.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<V> FromValueTuple for V
where V: Into<Value> + ValueType,

fn from_value_tuple<I>(i: I) -> V
where I: IntoValueTuple,

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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 more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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> IntoValueTuple for T
where T: Into<ValueTuple>,

fn into_value_tuple(self) -> ValueTuple

impl<T> PgExpr for T
where T: ExprTrait,

fn concatenate<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an postgres concatenate (||) expression. Read more

fn concat<T>(self, right: T) -> Expr
where T: Into<Expr>,

Alias of PgExpr::concatenate

fn matches<T>(self, expr: T) -> Expr
where T: Into<Expr>,

Express an postgres fulltext search matches (@@) expression. Read more

fn contains<T>(self, expr: T) -> Expr
where T: Into<Expr>,

Express an postgres fulltext search contains (@>) expression. Read more

fn contained<T>(self, expr: T) -> Expr
where T: Into<Expr>,

Express an postgres fulltext search contained (<@) expression. Read more

fn ilike<L>(self, like: L) -> Expr
where L: IntoLikeExpr,

Express a ILIKE expression. Read more

fn not_ilike<L>(self, like: L) -> Expr
where L: IntoLikeExpr,

Express a NOT ILIKE expression

fn get_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express a postgres retrieves JSON field as JSON value (->). Read more

fn cast_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express a postgres retrieves JSON field and casts it to an appropriate SQL type (->>). Read more

impl<V> PrimaryKeyArity for V
where V: TryGetable,

const ARITY: usize = 1usize

Arity of the Primary Key

impl<T> SqliteExpr for T
where T: ExprTrait,

fn glob<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite GLOB operator. Read more

fn matches<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite MATCH operator. Read more

fn get_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite retrieves JSON field as JSON value (->). Read more

fn cast_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite retrieves JSON field and casts it to an appropriate SQL type (->>). Read more

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T> TryGetableMany for T
where T: TryGetable,

fn try_get_many( res: &QueryResult, pre: &str, cols: &[String], ) -> Result<T, TryGetError>

Get a tuple value from the query result with prefixed column name

fn try_get_many_by_index(res: &QueryResult) -> Result<T, TryGetError>

Get a tuple value from the query result based on the order in the select expressions

fn find_by_statement<C>( stmt: Statement, ) -> SelectorRaw<SelectGetableValue<Self, C>>
where C: IntoEnumIterator + Iden,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,