Struct ChangeEvent 

pub struct ChangeEvent {
    pub change_type: ChangeType,
    pub source: ChangeSource,
    pub timestamp: u64,
    pub key: Option<String>,
    pub before: Option<Value>,
    pub after: Option<Value>,
    pub metadata: HashMap<String, String>,
}

A change data capture event.

Fields

change_type: ChangeType

source: ChangeSource

timestamp: u64

key: Option<String>

before: Option<Value>

after: Option<Value>

metadata: HashMap<String, String>

Implementations

impl ChangeEvent

pub fn insert(source: ChangeSource, key: String, data: Value) -> Self

Create an insert change event.

pub fn update( source: ChangeSource, key: String, before: Value, after: Value, ) -> Self

Create an update change event.

pub fn delete(source: ChangeSource, key: String, data: Value) -> Self

Create a delete change event.

pub fn truncate(source: ChangeSource) -> Self

Create a truncate change event.

pub fn with_metadata( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

Add metadata to the change event.

pub fn to_event(&self) -> Event

Convert to a generic Event.

Trait Implementations

impl Clone for ChangeEvent

fn clone(&self) -> ChangeEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChangeEvent

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ChangeEvent

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ChangeEvent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.