Struct JsonbVal

pub struct JsonbVal(pub(crate) Value);

Tuple Fields

0: Value

Implementations

impl JsonbVal

pub fn null() -> Self

Returns a jsonb null.

pub fn empty_array() -> Self

Returns an empty array [].

pub fn empty_object() -> Self

Returns an empty array {}.

pub fn memcmp_deserialize( deserializer: &mut Deserializer<impl Buf>, ) -> Result<Self>

Deserialize from a memcomparable encoding.

pub fn value_deserialize(buf: &[u8]) -> Option<Self>

Deserialize from a pgwire “BINARY” encoding.

pub fn take(self) -> Value

Convert the value to a serde_json::Value.

Trait Implementations

impl Clone for JsonbVal

fn clone(&self) -> JsonbVal

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for JsonbVal

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

Formats the value using the given formatter.

impl Display for JsonbVal

The display of JsonbVal is pg-compatible format which has slightly different from serde_json::Value.

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

Formats the value using the given formatter.

impl EstimateSize for JsonbVal

fn estimated_heap_size(&self) -> usize

The estimated heap size of the current struct in bytes.

fn estimated_size(&self) -> usize

where Self: Sized,

The estimated total size of the current struct in bytes, including the estimated_heap_size and the size of Self.

impl From<JsonbRef<'_>> for JsonbVal

fn from(v: JsonbRef<'_>) -> Self

Converts to this type from the input type.

impl From<JsonbVal> for ScalarImpl

fn from(val: JsonbVal) -> Self

Converts to this type from the input type.

impl From<Value> for JsonbVal

fn from(v: Value) -> Self

Converts to this type from the input type.

impl From<Value> for JsonbVal

fn from(v: Value) -> Self

Converts to this type from the input type.

impl From<f64> for JsonbVal

fn from(v: f64) -> Self

Converts to this type from the input type.

impl FromIterator<JsonbVal> for JsonbArray

fn from_iter<I: IntoIterator<Item = JsonbVal>>(iter: I) -> Self

Creates a value from an iterator.

impl<'a> FromSql<'a> for JsonbVal

fn from_sql( _ty: &Type, raw: &'a [u8], ) -> Result<Self, Box<dyn Error + Sync + Send>>

Creates a new value of this type from a buffer of data of the specified Postgres Type in its binary format.

fn accepts(ty: &Type) -> bool

Determines if a value of this type can be created from the specified Postgres Type.

fn from_sql_null(ty: &Type) -> Result<Self, Box<dyn Error + Sync + Send>>

Creates a new value of this type from a NULL SQL value.

fn from_sql_nullable( ty: &Type, raw: Option<&'a [u8]>, ) -> Result<Self, Box<dyn Error + Sync + Send>>

A convenience function that delegates to from_sql and from_sql_null depending on the value of raw.

impl FromStr for JsonbVal

type Err = <Value as FromStr>::Err

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for JsonbVal

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl HashKeyDe for JsonbVal

fn deserialize(data_type: &DataType, buf: impl Buf) -> Self

impl Ord for JsonbVal

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for JsonbVal

fn eq(&self, other: &JsonbVal) -> bool

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

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 PartialOrd for JsonbVal

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl RandValue for JsonbVal

fn rand_value<R: Rng>(_rand: &mut R) -> Self

impl Scalar for JsonbVal

type ScalarRefType<'a> = JsonbRef<'a>

Type for reference of Scalar

fn as_scalar_ref(&self) -> Self::ScalarRefType<'_>

Get a reference to current scalar.

fn to_scalar_value(self) -> ScalarImpl

impl ToSql for JsonbVal

fn accepts(ty: &Type) -> bool

Determines if a value of this type can be converted to the specified Postgres Type.

fn to_sql_checked( &self, ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

An adaptor method used internally by Rust-Postgres.

fn to_sql( &self, _ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Converts the value of self into the binary format of the specified Postgres Type, appending it to out.

fn encode_format(&self, _ty: &Type) -> Format

Specify the encode format

impl TryFrom<ScalarImpl> for JsonbVal

type Error = ArrayError

The type returned in the event of a conversion error.

fn try_from(val: ScalarImpl) -> ArrayResult<Self>

Performs the conversion.

impl<'a> WithDataType for &'a JsonbVal

fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.

impl<'a> WithDataType for &'a mut JsonbVal

fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.

impl WithDataType for Box<JsonbVal>

fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.

impl WithDataType for JsonbVal

fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.

impl Eq for JsonbVal

impl StructuralPartialEq for JsonbVal