How to use the aws-xray-sdk-core.database function in aws-xray-sdk-core

/**
 * @module mysql_p
 */

var AWSXRay = require('aws-xray-sdk-core');
var SqlData = AWSXRay.database.SqlData;

var DATABASE_VERS = process.env.MYSQL_DATABASE_VERSION;
var DRIVER_VERS = process.env.MYSQL_DRIVER_VERSION;

var PREPARED = 'statement';

/**
 * Patches the Node MySQL client to automatically capture query information for the segment.
 * Connection.query, connection.execute, and pool.query calls are automatically captured.
 * In manual mode, these functions require a segment or subsegment object as an additional,
 * last argument.
 * @param {mysql} module - The MySQL npm module.
 * @returns {mysql}
 * @see https://github.com/mysqljs/mysql
 */

/**
 * @module postgres_p
 */

var AWSXRay = require('aws-xray-sdk-core');
var SqlData = AWSXRay.database.SqlData;

var DATABASE_VERS = process.env.POSTGRES_DATABASE_VERSION;
var DRIVER_VERS = process.env.POSTGRES_DRIVER_VERSION;

var PREPARED = 'statement';

/**
 * Patches the Node PostreSQL client to automatically capture query information for the segment.
 * Client.query calls are automatically captured.
 * In manual mode, client.query requires a sub/segment object
 * as an additional argument as the last argument for the query.
 * @function
 * @param {pg} module - The PostgreSQL npm module.
 * @returns {pg}
 * @see https://github.com/brianc/node-postgres
 */