001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.verify;
016    
017    import com.liferay.portal.kernel.dao.db.DB;
018    import com.liferay.portal.kernel.dao.db.DBManagerUtil;
019    import com.liferay.portal.kernel.dao.db.DBType;
020    import com.liferay.portal.kernel.dao.jdbc.DataAccess;
021    import com.liferay.portal.kernel.util.StringBundler;
022    
023    import java.sql.PreparedStatement;
024    import java.sql.ResultSet;
025    
026    /**
027     * @author Igor Beslic
028     */
029    public class VerifyDB2 extends VerifyProcess {
030    
031            @Override
032            protected void doVerify() throws Exception {
033                    DB db = DBManagerUtil.getDB();
034    
035                    if (db.getDBType() != DBType.DB2) {
036                            return;
037                    }
038    
039                    PreparedStatement ps = null;
040                    ResultSet rs = null;
041    
042                    try {
043                            StringBundler sb = new StringBundler(4);
044    
045                            sb.append("select tbname, name, coltype, length from ");
046                            sb.append("sysibm.syscolumns where tbcreator = (select distinct ");
047                            sb.append("current schema from sysibm.sysschemata) AND coltype = ");
048                            sb.append("'VARCHAR' and length = 500");
049    
050                            ps = connection.prepareStatement(sb.toString());
051    
052                            rs = ps.executeQuery();
053    
054                            while (rs.next()) {
055                                    String tableName = rs.getString(1);
056    
057                                    if (!isPortalTableName(tableName)) {
058                                            continue;
059                                    }
060    
061                                    String columnName = rs.getString(2);
062    
063                                    runSQL(
064                                            "alter table " + tableName + " alter column " + columnName +
065                                                    " set data type varchar(600)");
066                            }
067                    }
068                    finally {
069                            DataAccess.cleanUp(ps, rs);
070                    }
071            }
072    
073    }