var mysql = require('mysql');
var moment = require('moment');
var config = require('./config');

var mysqlClient = mysql.createConnection(config.mysql_2);
mysqlClient.connect(function(error) { if (error) return; });

var partition_name = "p" + moment().add(1, 'M').format("YYYYMM");
var partition_date = moment().add(2, 'M').format("YYYYMM01");

var sql = "ALTER TABLE history_minutely ADD PARTITION (PARTITION " + partition_name + " VALUES LESS THAN ('" + partition_date + "'))";
mysqlClient.query(sql, function (error, results, fields) { if (error) {console.log("history_minutely:", error);} });

sql = "ALTER TABLE history_10min ADD PARTITION (PARTITION " + partition_name + " VALUES LESS THAN (TO_DAYS('" + partition_date + "')))";
mysqlClient.query(sql, function (error, results, fields) { if (error) {console.log("history_10min:", error);} });

sql = "ALTER TABLE history_hourly ADD PARTITION (PARTITION " + partition_name + " VALUES LESS THAN (TO_DAYS('" + partition_date + "')))";
mysqlClient.query(sql, function (error, results, fields) { if (error) {console.log("history_hourly:", error);} });

sql = "ALTER TABLE history_daily ADD PARTITION (PARTITION " + partition_name + " VALUES LESS THAN (TO_DAYS('" + partition_date + "')))";
mysqlClient.query(sql, function (error, results, fields) { if (error) {console.log("history_daily:", error);} });

mysqlClient.end();