Enum Value

pub enum Value {
    Null,
    Boolean(bool),
    Int(i32),
    Long(i64),
    Float(f32),
    Double(f64),
    Date(i32),
    Timestamp(NaiveDateTime),
    Decimal(DecimalValue),
    Bytes(Vec<u8>),
    String(String),
    Fixed(usize, Vec<u8>),
    Enum(usize, String),
    Union {
        index: usize,
        inner: Box<Value>,
        n_variants: usize,
        null_variant: Option<usize>,
    },
    Array(Vec<Value>),
    Map(BTreeMap<String, Value>),
    Record(Vec<(String, Value)>),
    Json(Value),
    Uuid(Uuid),
}

Represents any valid Avro value More information about Avro values can be found in the Avro Specification

Variants

Null

A null Avro value.

Boolean(bool)

A boolean Avro value.

Int(i32)

A int Avro value.

Long(i64)

A long Avro value.

Float(f32)

A float Avro value.

Double(f64)

A double Avro value.

Date(i32)

A Date coming from an avro Logical Date, which is an i32 number of days since the Unix epoch.

Timestamp(NaiveDateTime)

A DateTime coming from an avro Logical Timestamp

Decimal(DecimalValue)

A decimal Avro value

The value of the decimal can be computed as follows: unscaled × 10^-scale.

Bytes(Vec<u8>)

A bytes Avro value.

String(String)

A string Avro value.

Fixed(usize, Vec<u8>)

A fixed Avro value. The size of the fixed value is represented as a usize.

Enum(usize, String)

An enum Avro value.

An Enum is represented by a symbol and its position in the symbols list of its corresponding schema. This allows schema-less encoding, as well as schema resolution while reading values.

Union

An union Avro value.

Fields

index: usize

The index of this variant in the reader schema

inner: Box<Value>

The value of the variant

n_variants: usize

The number of variants in the reader schema

null_variant: Option<usize>

Which variant is null in the reader schema.

Array(Vec<Value>)

An array Avro value.

Map(BTreeMap<String, Value>)

A map Avro value.

Record(Vec<(String, Value)>)

A record Avro value.

A Record is represented by a vector of (<field name>, value). This allows schema-less encoding.

See Record for a more user-friendly support.

Json(Value)

A string Avro value that has been interpreted as JSON.

This is not part of the Avro spec, but is emitted by Debezium, and distinguished by setting the "connect.name" property to "io.debezium.data.Json".

Uuid(Uuid)

A Uuid coming from an avro Logical uuid.

Implementations

impl Value

pub fn validate(&self, schema: SchemaNode<'_>) -> bool

Validate the value against the given Schema.

See the Avro specification for the full set of rules of schema validation.

pub fn into_string(self) -> Option<String>

pub fn into_nullable_bool(self) -> Option<bool>

pub fn into_integral(self) -> Option<i64>

pub fn into_usize(self) -> Option<usize>

Trait Implementations

impl<'a> AvroDeserializer for &'a Value

fn deserialize<R: AvroRead, D: AvroDecode>( self, _r: &mut R, d: D, ) -> Result<D::Out, AvroError>

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 Debug for Value

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

Formats the value using the given formatter.

impl Default for Value

fn default() -> Self

Returns the “default value” for a type.

impl From<Scalar> for Value

fn from(s: Scalar) -> 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 ToAvro for Value

fn avro(self) -> Value

Transforms this value into an Avro-compatible Value.

impl StructuralPartialEq for Value