public static PostgresEventMetadataProvider newEventMetadataProvider() {
        return new PostgresEventMetadataProvider();
    }
Create a new PostgresSchema and initialize the content of the schema.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/postgres-cdc/src/main/java/io/debezium/connector/postgresql/PostgresObjectFactory.java