Enum Value 

pub enum Value {
    I16(i16),
    I32(i32),
    I64(i64),
    F64(f64),
    Bool(bool),
    String(String),
    EntityId(EntityId),
    Object(Vec<u8>),
    Binary(Vec<u8>),
    Json(Value),
}

Variants

I16(i16)

I32(i32)

I64(i64)

F64(f64)

Bool(bool)

String(String)

EntityId(EntityId)

Object(Vec<u8>)

Binary(Vec<u8>)

Json(Value)

JSON value - stored as jsonb in PostgreSQL for proper query support. Serialized as bytes for bincode compatibility.

Implementations

impl Value

pub fn cast_to(&self, target_type: ValueType) -> Result<Value, CastError>

Cast this value to the specified target type

pub fn try_cast_to(&self, target_type: ValueType) -> Option<Value>

Try to cast this value to the specified target type, returning None if the cast fails

impl Value

pub fn json<T: Serialize>(value: &T) -> Result<Self, Error>

Create a Json value from any serializable type.

pub fn parse_as_json<T: DeserializeOwned>(&self) -> Result<T, PropertyError>

Parse this value as JSON into the target type. Works for Json, Object, Binary (as bytes) and String variants. Returns InvalidVariant error for numeric, bool, and EntityId types.

pub fn parse_as_string<T: FromStr>(&self) -> Result<T, PropertyError>

Parse this value as a string using FromStr. Only works for Value::String variant. Returns InvalidVariant error for other types.

pub fn extract_at_path(&self, path: &[String]) -> Option<Value>

Extract value at a sub-path within structured data. Returns None if the path doesn’t exist (missing - distinct from null). For empty path, returns self unchanged. Supports Json, Binary, and String (permissive for backward compat).

impl Value

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

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

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

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

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Collatable for Value

fn to_bytes(&self) -> Vec<u8>

Convert the value to its binary representation for collation

fn successor_bytes(&self) -> Option<Vec<u8>>

Returns the immediate successor’s binary representation if one exists

fn predecessor_bytes(&self) -> Option<Vec<u8>>

Returns the immediate predecessor’s binary representation if one exists

fn is_minimum(&self) -> bool

Returns true if this value represents a minimum bound in its domain

fn is_maximum(&self) -> bool

Returns true if this value represents a maximum bound in its domain

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

Compare two values in the collation order

fn is_in_range( &self, lower: RangeBound<&Self>, upper: RangeBound<&Self>, ) -> bool

impl Debug for Value

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Value

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Value

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

Formats the value using the given formatter.

impl From<&Literal> for Value

fn from(literal: &Literal) -> Self

Converts to this type from the input type.

impl From<&Value> for Literal

fn from(value: &Value) -> Self

Converts to this type from the input type.

impl From<&str> for Value

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<EntityId> for Value

fn from(value: EntityId) -> Self

Converts to this type from the input type.

impl From<Literal> for Value

fn from(literal: Literal) -> Self

Converts to this type from the input type.

impl From<String> for Value

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<Value> for Literal

fn from(value: Value) -> Self

Converts to this type from the input type.

impl From<Vec<u8>> for Value

fn from(value: Vec<u8>) -> Self

Converts to this type from the input type.

impl From<bool> for Value

fn from(value: bool) -> Self

Converts to this type from the input type.

impl From<f64> for Value

fn from(value: f64) -> Self

Converts to this type from the input type.

impl From<i16> for Value

fn from(value: i16) -> Self

Converts to this type from the input type.

impl From<i32> for Value

fn from(value: i32) -> Self

Converts to this type from the input type.

impl From<i64> for Value

fn from(value: i64) -> Self

Converts to this type from the input type.

impl PartialEq for Value

fn eq(&self, other: &Value) -> 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 Value

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 Serialize for Value

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Value