Module broker 

PostgreSQL NOTIFY message broker for GraphQL subscriptions.

This module provides a broker that listens to PostgreSQL NOTIFY events and broadcasts them to GraphQL subscription clients.

Structs

NotifyBroker

Message broker that distributes PostgreSQL NOTIFY events to subscribers.

PgNotification

A notification from PostgreSQL

Enums

BrokerError

Errors that can occur in the broker.

Functions

create_notify_trigger_sql

Generate SQL to create a notification trigger for a table.

drop_notify_trigger_sql

Generate SQL to drop a notification trigger for a table.

table_channel_name

Generate a channel name for table change notifications.