Module postgres 

PostgreSQL Table Listener

This module provides PostgresTableListener, which listens for changes in specified database tables. It uses PostgreSQL triggers and LISTEN/NOTIFY to capture and relay events asynchronously.

Features

• Monitors specified tables for INSERT, UPDATE, and DELETE operations.
• Captures changes at the column level.
• Uses PostgreSQL triggers and functions for efficient event detection.
• Sends notifications through async channels.
• Provides a structured API to start and stop listeners.

Dependencies

• sqlx for database interaction
• tokio for async execution
• serde and serde_json for JSON serialization
• tracing for logging

Structs

PgNotify

PostgresTableListener