Struct PgNotification 

pub struct PgNotification {
    pub channel: String,
    pub payload: Value,
}

Notification received from PostgreSQL LISTEN

Contains the channel name and JSON payload.

Fields

channel: String

Channel name that received the notification

payload: Value

JSON payload

Implementations

impl PgNotification

pub fn parse_payload<T: for<'de> Deserialize<'de>>(&self) -> Result<T, PgError>

Deserialize payload to a specific type

Errors

Returns error if payload doesn’t match the target type

Example

let cache_event: CacheInvalidation = notif.parse_payload()?;
println!("Invalidate key: {}", cache_event.key);

Trait Implementations

impl Clone for PgNotification

fn clone(&self) -> PgNotification

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PgNotification

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PgNotification

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PgNotification

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

where __S: Serializer,

Serialize this value into the given Serde serializer.