public PostgresConnection getConnection() {
        return jdbcConnection;
    }
The context of {@link PostgresScanFetchTask} and {@link PostgresStreamFetchTask}.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/cdc/postgres/source/fetch/PostgresSourceFetchTaskContext.java