mirror of
https://github.com/mcMMO-Dev/mcMMO.git
synced 2025-07-15 12:04:43 +02:00
Abstract our database operations into a single class.
This allows the logic between SQL and Flatfile to remain more hidden in most cases and makes the code easier to read.
This commit is contained in:
GJ
628
src/main/java/com/gmail/nossr50/database/SQLDatabaseManager.java
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628
src/main/java/com/gmail/nossr50/database/SQLDatabaseManager.java
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@ -0,0 +1,628 @@
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package com.gmail.nossr50.database;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Properties;
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import com.gmail.nossr50.mcMMO;
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import com.gmail.nossr50.config.Config;
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import com.gmail.nossr50.datatypes.database.DatabaseUpdateType;
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import com.gmail.nossr50.datatypes.skills.SkillType;
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import com.gmail.nossr50.runnables.database.SQLReconnectTask;
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import com.gmail.nossr50.util.Misc;
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public final class SQLDatabaseManager {
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private static String connectionString;
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private static String tablePrefix = Config.getInstance().getMySQLTablePrefix();
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private static Connection connection = null;
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// Scale waiting time by this much per failed attempt
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private static final double SCALING_FACTOR = 40;
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// Minimum wait in nanoseconds (default 500ms)
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private static final long MIN_WAIT = 500L * 1000000L;
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// Maximum time to wait between reconnects (default 5 minutes)
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private static final long MAX_WAIT = 5L * 60L * 1000L * 1000000L;
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// How long to wait when checking if connection is valid (default 3 seconds)
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private static final int VALID_TIMEOUT = 3;
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// When next to try connecting to Database in nanoseconds
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private static long nextReconnectTimestamp = 0L;
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// How many connection attempts have failed
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private static int reconnectAttempt = 0;
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private static final long ONE_MONTH = 2630000000L;
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private SQLDatabaseManager() {}
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/**
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* Attempt to connect to the mySQL database.
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*/
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public static void connect() {
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Config configInstance = Config.getInstance();
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connectionString = "jdbc:mysql://" + configInstance.getMySQLServerName() + ":" + configInstance.getMySQLServerPort() + "/" + configInstance.getMySQLDatabaseName();
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try {
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mcMMO.p.getLogger().info("Attempting connection to MySQL...");
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// Force driver to load if not yet loaded
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Class.forName("com.mysql.jdbc.Driver");
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Properties connectionProperties = new Properties();
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connectionProperties.put("user", configInstance.getMySQLUserName());
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connectionProperties.put("password", configInstance.getMySQLUserPassword());
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connectionProperties.put("autoReconnect", "false");
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connectionProperties.put("maxReconnects", "0");
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connection = DriverManager.getConnection(connectionString, connectionProperties);
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mcMMO.p.getLogger().info("Connection to MySQL was a success!");
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}
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catch (SQLException ex) {
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connection = null;
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if (reconnectAttempt == 0 || reconnectAttempt >= 11) {
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mcMMO.p.getLogger().info("Connection to MySQL failed!");
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}
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}
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catch (ClassNotFoundException ex) {
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connection = null;
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if (reconnectAttempt == 0 || reconnectAttempt >= 11) {
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mcMMO.p.getLogger().info("MySQL database driver not found!");
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}
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}
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}
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/**
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* Attempt to create the database structure.
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*/
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public static void createStructure() {
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write("CREATE TABLE IF NOT EXISTS `" + tablePrefix + "users` ("
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+ "`id` int(10) unsigned NOT NULL AUTO_INCREMENT,"
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+ "`user` varchar(40) NOT NULL,"
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+ "`lastlogin` int(32) unsigned NOT NULL,"
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+ "PRIMARY KEY (`id`),"
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+ "UNIQUE KEY `user` (`user`)) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1;");
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write("CREATE TABLE IF NOT EXISTS `" + tablePrefix + "huds` ("
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+ "`user_id` int(10) unsigned NOT NULL,"
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+ "`hudtype` varchar(50) NOT NULL DEFAULT 'STANDARD',"
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+ "`mobhealthbar` varchar(50) NOT NULL DEFAULT 'HEARTS',"
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+ "PRIMARY KEY (`user_id`),"
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+ "FOREIGN KEY (`user_id`) REFERENCES `" + tablePrefix + "users` (`id`) "
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+ "ON DELETE CASCADE) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
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write("CREATE TABLE IF NOT EXISTS `" + tablePrefix + "cooldowns` ("
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+ "`user_id` int(10) unsigned NOT NULL,"
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+ "`taming` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`mining` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`woodcutting` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`repair` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`unarmed` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`herbalism` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`excavation` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`archery` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`swords` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`axes` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`acrobatics` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "`blast_mining` int(32) unsigned NOT NULL DEFAULT '0',"
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+ "PRIMARY KEY (`user_id`),"
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+ "FOREIGN KEY (`user_id`) REFERENCES `" + tablePrefix + "users` (`id`) "
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+ "ON DELETE CASCADE) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
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write("CREATE TABLE IF NOT EXISTS `" + tablePrefix + "skills` ("
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+ "`user_id` int(10) unsigned NOT NULL,"
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+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "PRIMARY KEY (`user_id`),"
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+ "FOREIGN KEY (`user_id`) REFERENCES `" + tablePrefix + "users` (`id`) "
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+ "ON DELETE CASCADE) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
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write("CREATE TABLE IF NOT EXISTS `" + tablePrefix + "experience` ("
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+ "`user_id` int(10) unsigned NOT NULL,"
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+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
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+ "PRIMARY KEY (`user_id`),"
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+ "FOREIGN KEY (`user_id`) REFERENCES `" + tablePrefix + "users` (`id`) "
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+ "ON DELETE CASCADE) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
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checkDatabaseStructure(DatabaseUpdateType.FISHING);
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checkDatabaseStructure(DatabaseUpdateType.BLAST_MINING);
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checkDatabaseStructure(DatabaseUpdateType.CASCADE_DELETE);
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checkDatabaseStructure(DatabaseUpdateType.INDEX);
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checkDatabaseStructure(DatabaseUpdateType.MOB_HEALTHBARS);
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}
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/**
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* Attempt to write the SQL query.
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*
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* @param sql Query to write.
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* @return true if the query was successfully written, false otherwise.
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*/
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public static boolean write(String sql) {
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if (!checkConnected()) {
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return false;
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}
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PreparedStatement statement = null;
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try {
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statement = connection.prepareStatement(sql);
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statement.executeUpdate();
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return true;
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}
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catch (SQLException ex) {
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printErrors(ex);
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return false;
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}
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finally {
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if (statement != null) {
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try {
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statement.close();
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}
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catch (SQLException e) {
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printErrors(e);
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}
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}
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}
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}
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public static boolean removeUserSQL(String playerName) {
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return SQLDatabaseManager.update("DELETE FROM " + tablePrefix + "users WHERE " + tablePrefix + "users.user = '" + playerName + "'") != 0;
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}
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/**
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* Returns the number of rows affected by either a DELETE or UPDATE query
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*
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* @param sql SQL query to execute
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* @return the number of rows affected
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*/
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public static int update(String sql) {
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if (!checkConnected()) {
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return 0;
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}
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int rows = 0;
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PreparedStatement statement = null;
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try {
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statement = connection.prepareStatement(sql);
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rows = statement.executeUpdate();
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}
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catch (SQLException ex) {
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printErrors(ex);
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}
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finally {
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if (statement != null) {
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try {
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statement.close();
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}
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catch (SQLException e) {
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printErrors(e);
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}
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}
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}
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return rows;
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}
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/**
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* Get the Integer. Only return first row / first field.
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*
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* @param sql SQL query to execute
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* @return the value in the first row / first field
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*/
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public static int getInt(String sql) {
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if (!checkConnected()) {
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return 0;
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}
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int result = 0;
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PreparedStatement statement = null;
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try {
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statement = connection.prepareStatement(sql);
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ResultSet resultSet = statement.executeQuery();
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if (resultSet.next()) {
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result = resultSet.getInt(1);
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}
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}
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catch (SQLException ex) {
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printErrors(ex);
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}
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finally {
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if (statement != null) {
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try {
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statement.close();
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}
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catch (SQLException e) {
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printErrors(e);
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}
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}
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}
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return result;
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}
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/**
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* Check connection status and re-establish if dead or stale.
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*
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* If the very first immediate attempt fails, further attempts
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* will be made in progressively larger intervals up to MAX_WAIT
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* intervals.
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*
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* This allows for MySQL to time out idle connections as needed by
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* server operator, without affecting McMMO, while still providing
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* protection against a database outage taking down Bukkit's tick
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* processing loop due to attemping a database connection each
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* time McMMO needs the database.
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*
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* @return the boolean value for whether or not we are connected
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*/
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public static boolean checkConnected() {
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boolean isClosed = true;
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boolean isValid = false;
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boolean exists = (connection != null);
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// If we're waiting for server to recover then leave early
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if (nextReconnectTimestamp > 0 && nextReconnectTimestamp > System.nanoTime()) {
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return false;
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}
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if (exists) {
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try {
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isClosed = connection.isClosed();
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}
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catch (SQLException e) {
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isClosed = true;
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e.printStackTrace();
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printErrors(e);
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}
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if (!isClosed) {
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try {
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isValid = connection.isValid(VALID_TIMEOUT);
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}
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catch (SQLException e) {
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// Don't print stack trace because it's valid to lose idle connections to the server and have to restart them.
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isValid = false;
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}
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}
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}
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// Leave if all ok
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if (exists && !isClosed && isValid) {
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// Housekeeping
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nextReconnectTimestamp = 0;
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reconnectAttempt = 0;
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return true;
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}
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// Cleanup after ourselves for GC and MySQL's sake
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if (exists && !isClosed) {
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try {
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connection.close();
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}
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catch (SQLException ex) {
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// This is a housekeeping exercise, ignore errors
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}
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}
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// Try to connect again
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connect();
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// Leave if connection is good
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try {
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if (connection != null && !connection.isClosed()) {
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// Schedule a database save if we really had an outage
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if (reconnectAttempt > 1) {
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new SQLReconnectTask().runTaskLater(mcMMO.p, 5);
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}
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nextReconnectTimestamp = 0;
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reconnectAttempt = 0;
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return true;
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}
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}
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catch (SQLException e) {
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// Failed to check isClosed, so presume connection is bad and attempt later
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e.printStackTrace();
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printErrors(e);
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}
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reconnectAttempt++;
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nextReconnectTimestamp = (long)(System.nanoTime() + Math.min(MAX_WAIT, (reconnectAttempt * SCALING_FACTOR * MIN_WAIT)));
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return false;
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}
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/**
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* Read SQL query.
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*
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* @param sql SQL query to read
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* @return the rows in this SQL query
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*/
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public static HashMap<Integer, ArrayList<String>> read(String sql) {
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ResultSet resultSet;
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HashMap<Integer, ArrayList<String>> rows = new HashMap<Integer, ArrayList<String>>();
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if (checkConnected()) {
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PreparedStatement statement = null;
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try {
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statement = connection.prepareStatement(sql);
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resultSet = statement.executeQuery();
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while (resultSet.next()) {
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ArrayList<String> column = new ArrayList<String>();
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for (int i = 1; i <= resultSet.getMetaData().getColumnCount(); i++) {
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column.add(resultSet.getString(i));
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}
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rows.put(resultSet.getRow(), column);
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}
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}
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catch (SQLException ex) {
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printErrors(ex);
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}
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finally {
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if (statement != null) {
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try {
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statement.close();
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}
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catch (SQLException e) {
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printErrors(e);
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}
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}
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}
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}
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return rows;
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}
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public static Map<String, Integer> readSQLRank(String playerName) {
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ResultSet resultSet;
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Map<String, Integer> skills = new HashMap<String, Integer>();
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if (checkConnected()) {
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try {
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for (SkillType skillType : SkillType.values()) {
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if (skillType.isChildSkill()) {
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continue;
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}
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String skillName = skillType.name().toLowerCase();
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String sql = "SELECT COUNT(*) AS rank FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id WHERE " + skillName + " > 0 " +
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"AND " + skillName + " > (SELECT " + skillName + " FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id " +
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"WHERE user = ?)";
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PreparedStatement statement = connection.prepareStatement(sql);
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statement.setString(1, playerName);
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resultSet = statement.executeQuery();
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resultSet.next();
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int rank = resultSet.getInt("rank");
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sql = "SELECT user, " + skillName + " FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id WHERE " + skillName + " > 0 " +
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"AND " + skillName + " = (SELECT " + skillName + " FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id " +
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"WHERE user = '" + playerName + "') ORDER BY user";
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statement = connection.prepareStatement(sql);
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resultSet = statement.executeQuery();
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while (resultSet.next()) {
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if (resultSet.getString("user").equalsIgnoreCase(playerName)) {
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skills.put(skillType.name(), rank + resultSet.getRow());
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break;
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}
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}
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statement.close();
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}
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String sql = "SELECT COUNT(*) AS rank FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id " +
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"WHERE taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing > 0 " +
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"AND taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing > " +
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"(SELECT taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing " +
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"FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id WHERE user = ?)";
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PreparedStatement statement = connection.prepareStatement(sql);
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statement.setString(1, playerName);
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resultSet = statement.executeQuery();
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resultSet.next();
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int rank = resultSet.getInt("rank");
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sql = "SELECT user, taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing " +
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||||
"FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id " +
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||||
"WHERE taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing > 0 " +
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"AND taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing = " +
|
||||
"(SELECT taming+mining+woodcutting+repair+unarmed+herbalism+excavation+archery+swords+axes+acrobatics+fishing " +
|
||||
"FROM " + tablePrefix + "users JOIN " + tablePrefix + "skills ON user_id = id WHERE user = ?) ORDER BY user";
|
||||
|
||||
statement = connection.prepareStatement(sql);
|
||||
statement.setString(1, playerName);
|
||||
resultSet = statement.executeQuery();
|
||||
|
||||
while (resultSet.next()) {
|
||||
if (resultSet.getString("user").equalsIgnoreCase(playerName)) {
|
||||
skills.put("ALL", rank + resultSet.getRow());
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
statement.close();
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
printErrors(ex);
|
||||
}
|
||||
}
|
||||
|
||||
return skills;
|
||||
}
|
||||
|
||||
public static int purgePowerlessSQL() {
|
||||
HashMap<Integer, ArrayList<String>> usernames = read("SELECT u.user FROM " + tablePrefix + "skills AS s, " + tablePrefix + "users AS u WHERE s.user_id = u.id AND (s.taming+s.mining+s.woodcutting+s.repair+s.unarmed+s.herbalism+s.excavation+s.archery+s.swords+s.axes+s.acrobatics+s.fishing) = 0");
|
||||
write("DELETE FROM " + tablePrefix + "users WHERE " + tablePrefix + "users.id IN (SELECT * FROM (SELECT u.id FROM " + tablePrefix + "skills AS s, " + tablePrefix + "users AS u WHERE s.user_id = u.id AND (s.taming+s.mining+s.woodcutting+s.repair+s.unarmed+s.herbalism+s.excavation+s.archery+s.swords+s.axes+s.acrobatics+s.fishing) = 0) AS p)");
|
||||
|
||||
return processPurge(usernames.values());
|
||||
}
|
||||
|
||||
public static int purgeOldSQL() {
|
||||
long currentTime = System.currentTimeMillis();
|
||||
long purgeTime = ONE_MONTH * Config.getInstance().getOldUsersCutoff();
|
||||
|
||||
HashMap<Integer, ArrayList<String>> usernames = read("SELECT user FROM " + tablePrefix + "users WHERE ((" + currentTime + " - lastlogin*1000) > " + purgeTime + ")");
|
||||
write("DELETE FROM " + tablePrefix + "users WHERE " + tablePrefix + "users.id IN (SELECT * FROM (SELECT id FROM " + tablePrefix + "users WHERE ((" + currentTime + " - lastlogin*1000) > " + purgeTime + ")) AS p)");
|
||||
|
||||
return processPurge(usernames.values());
|
||||
}
|
||||
|
||||
private static int processPurge(Collection<ArrayList<String>> usernames) {
|
||||
int purgedUsers = 0;
|
||||
|
||||
for (ArrayList<String> user : usernames) {
|
||||
Misc.profileCleanup(user.get(0));
|
||||
purgedUsers++;
|
||||
}
|
||||
|
||||
return purgedUsers;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check database structure for missing values.
|
||||
*
|
||||
* @param update Type of data to check updates for
|
||||
*/
|
||||
private static void checkDatabaseStructure(DatabaseUpdateType update) {
|
||||
String sql = null;
|
||||
ResultSet resultSet = null;
|
||||
HashMap<Integer, ArrayList<String>> rows = new HashMap<Integer, ArrayList<String>>();
|
||||
|
||||
switch (update) {
|
||||
case BLAST_MINING:
|
||||
sql = "SELECT * FROM `" + tablePrefix + "cooldowns` ORDER BY `" + tablePrefix + "cooldowns`.`blast_mining` ASC LIMIT 0 , 30";
|
||||
break;
|
||||
|
||||
case CASCADE_DELETE:
|
||||
write("ALTER TABLE `" + tablePrefix + "huds` ADD FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE;");
|
||||
write("ALTER TABLE `" + tablePrefix + "experience` ADD FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE;");
|
||||
write("ALTER TABLE `" + tablePrefix + "cooldowns` ADD FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE;");
|
||||
write("ALTER TABLE `" + tablePrefix + "skills` ADD FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE;");
|
||||
break;
|
||||
|
||||
case FISHING:
|
||||
sql = "SELECT * FROM `" + tablePrefix + "experience` ORDER BY `" + tablePrefix + "experience`.`fishing` ASC LIMIT 0 , 30";
|
||||
break;
|
||||
|
||||
case INDEX:
|
||||
if (read("SHOW INDEX FROM " + tablePrefix + "skills").size() != 13 && checkConnected()) {
|
||||
mcMMO.p.getLogger().info("Indexing tables, this may take a while on larger databases");
|
||||
write("ALTER TABLE `" + tablePrefix + "skills` ADD INDEX `idx_taming` (`taming`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_mining` (`mining`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_woodcutting` (`woodcutting`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_repair` (`repair`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_unarmed` (`unarmed`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_herbalism` (`herbalism`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_excavation` (`excavation`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_archery` (`archery`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_swords` (`swords`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_axes` (`axes`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_acrobatics` (`acrobatics`) USING BTREE, "
|
||||
+ "ADD INDEX `idx_fishing` (`fishing`) USING BTREE;");
|
||||
}
|
||||
break;
|
||||
|
||||
case MOB_HEALTHBARS:
|
||||
sql = "SELECT * FROM `" + tablePrefix + "huds` ORDER BY `" + tablePrefix + "huds`.`mobhealthbar` ASC LIMIT 0 , 30";
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
PreparedStatement statement = null;
|
||||
try {
|
||||
if (!checkConnected()) {
|
||||
return;
|
||||
}
|
||||
|
||||
statement = connection.prepareStatement(sql);
|
||||
resultSet = statement.executeQuery();
|
||||
|
||||
while (resultSet.next()) {
|
||||
ArrayList<String> column = new ArrayList<String>();
|
||||
|
||||
for (int i = 1; i <= resultSet.getMetaData().getColumnCount(); i++) {
|
||||
column.add(resultSet.getString(i));
|
||||
}
|
||||
|
||||
rows.put(resultSet.getRow(), column);
|
||||
}
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
switch (update) {
|
||||
case BLAST_MINING:
|
||||
mcMMO.p.getLogger().info("Updating mcMMO MySQL tables for Blast Mining...");
|
||||
write("ALTER TABLE `"+tablePrefix + "cooldowns` ADD `blast_mining` int(32) NOT NULL DEFAULT '0' ;");
|
||||
break;
|
||||
|
||||
case FISHING:
|
||||
mcMMO.p.getLogger().info("Updating mcMMO MySQL tables for Fishing...");
|
||||
write("ALTER TABLE `"+tablePrefix + "skills` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
write("ALTER TABLE `"+tablePrefix + "experience` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
break;
|
||||
|
||||
case MOB_HEALTHBARS:
|
||||
mcMMO.p.getLogger().info("Updating mcMMO MySQL tables for mob healthbars...");
|
||||
write("ALTER TABLE `" + tablePrefix + "huds` ADD `mobhealthbar` varchar(50) NOT NULL DEFAULT 'HEARTS' ;");
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
finally {
|
||||
if (statement != null) {
|
||||
try {
|
||||
statement.close();
|
||||
}
|
||||
catch (SQLException e) {
|
||||
// Ignore the error, we're leaving
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static void printErrors(SQLException ex) {
|
||||
mcMMO.p.getLogger().severe("SQLException: " + ex.getMessage());
|
||||
mcMMO.p.getLogger().severe("SQLState: " + ex.getSQLState());
|
||||
mcMMO.p.getLogger().severe("VendorError: " + ex.getErrorCode());
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user