| /* Copyright (c) 2001-2010, The HSQL Development Group |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * Neither the name of the HSQL Development Group nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| package org.hsqldb.util; |
| |
| import java.sql.Types; |
| |
| // sqlbob@users 20020325 - patch 1.7.0 - reengineering |
| |
| /** |
| * Conversions from SQLServer7 databases |
| * |
| * @version 1.7.0 |
| */ |
| class SqlServerTransferHelper extends TransferHelper { |
| |
| private boolean firstTinyintRow; |
| private boolean firstSmallintRow; |
| |
| SqlServerTransferHelper() { |
| super(); |
| } |
| |
| SqlServerTransferHelper(TransferDb database, Traceable t, String q) { |
| super(database, t, q); |
| } |
| |
| String formatTableName(String t) { |
| |
| if (t == null) { |
| return t; |
| } |
| |
| if (t.equals("")) { |
| return t; |
| } |
| |
| if (t.indexOf(' ') != -1) { |
| return ("[" + t + "]"); |
| } else { |
| return (formatIdentifier(t)); |
| } |
| } |
| |
| int convertFromType(int type) { |
| |
| // MS SQL 7 specific problems (Northwind database) |
| if (type == 11) { |
| tracer.trace("Converted DATETIME (type 11) to TIMESTAMP"); |
| |
| type = Types.TIMESTAMP; |
| } else if (type == -9) { |
| tracer.trace("Converted NVARCHAR (type -9) to VARCHAR"); |
| |
| type = Types.VARCHAR; |
| } else if (type == -8) { |
| tracer.trace("Converted NCHAR (type -8) to VARCHAR"); |
| |
| type = Types.VARCHAR; |
| } else if (type == -10) { |
| tracer.trace("Converted NTEXT (type -10) to VARCHAR"); |
| |
| type = Types.VARCHAR; |
| } else if (type == -1) { |
| tracer.trace("Converted LONGTEXT (type -1) to LONGVARCHAR"); |
| |
| type = Types.LONGVARCHAR; |
| } |
| |
| return (type); |
| } |
| |
| void beginTransfer() { |
| firstSmallintRow = true; |
| firstTinyintRow = true; |
| } |
| |
| Object convertColumnValue(Object value, int column, int type) { |
| |
| // solves a problem for MS SQL 7 |
| if ((type == Types.SMALLINT) && (value instanceof Integer)) { |
| if (firstSmallintRow) { |
| firstSmallintRow = false; |
| |
| tracer.trace("SMALLINT: Converted column " + column |
| + " Integer to Short"); |
| } |
| |
| value = new Short((short) ((Integer) value).intValue()); |
| } else if ((type == Types.TINYINT) && (value instanceof Integer)) { |
| if (firstTinyintRow) { |
| firstTinyintRow = false; |
| |
| tracer.trace("TINYINT: Converted column " + column |
| + " Integer to Byte"); |
| } |
| |
| value = new Byte((byte) ((Integer) value).intValue()); |
| } |
| |
| return (value); |
| } |
| } |