62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
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package org.maxgamer.quickshop.Database;
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import java.sql.PreparedStatement;
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import java.sql.SQLException;
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import java.sql.Statement;
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public class DatabaseHelper {
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public static void setup(Database db) throws SQLException {
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if (!db.hasTable("shops")) {
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createShopsTable(db);
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}
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if (!db.hasTable("messages")) {
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createMessagesTable(db);
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}
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checkColumns(db);
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}
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/**
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* Verifies that all required columns exist.
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*/
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public static void checkColumns(Database db) {
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PreparedStatement ps = null;
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try {
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// V3.4.2
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ps = db.getConnection().prepareStatement("ALTER TABLE shops MODIFY COLUMN price double(32,2) NOT NULL AFTER owner");
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ps.execute();
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ps.close();
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} catch (SQLException e) {
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}
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try {
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// V3.4.3
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ps = db.getConnection().prepareStatement("ALTER TABLE messages MODIFY COLUMN time BIGINT(32) NOT NULL AFTER message");
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ps.execute();
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ps.close();
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} catch (SQLException e) {
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}
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}
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/**
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* Creates the database table 'shops'.
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*
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* @throws SQLException
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* If the connection is invalid.
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*/
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public static void createShopsTable(Database db) throws SQLException {
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Statement st = db.getConnection().createStatement();
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String createTable = "CREATE TABLE shops (" + "owner TEXT(32) NOT NULL, " + "price double(32, 2) NOT NULL, " + "itemConfig TEXT CHARSET utf8 NOT NULL, " + "x INTEGER(32) NOT NULL, " + "y INTEGER(32) NOT NULL, " + "z INTEGER(32) NOT NULL, " + "world VARCHAR(32) NOT NULL, " + "unlimited boolean, " + "type boolean, " + "PRIMARY KEY (x, y, z, world) " + ");";
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st.execute(createTable);
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}
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/**
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* Creates the database table 'messages'
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*
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* @throws SQLException
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* If the connection is invalid
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*/
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public static void createMessagesTable(Database db) throws SQLException {
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Statement st = db.getConnection().createStatement();
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String createTable = "CREATE TABLE messages (" + "owner TEXT(32) NOT NULL, " + "message TEXT(200) NOT NULL, " + "time BIGINT(32) NOT NULL " + ");";
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st.execute(createTable);
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}
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}
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