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org.apache.torque.engine.platform.PlatformHypersonicImpl |
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1 | package org.apache.torque.engine.platform; |
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2 | ||
3 | /* |
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4 | * Licensed to the Apache Software Foundation (ASF) under one |
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5 | * or more contributor license agreements. See the NOTICE file |
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6 | * distributed with this work for additional information |
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7 | * regarding copyright ownership. The ASF licenses this file |
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8 | * to you under the Apache License, Version 2.0 (the |
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9 | * "License"); you may not use this file except in compliance |
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10 | * with the License. You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, |
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15 | * software distributed under the License is distributed on an |
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16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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17 | * KIND, either express or implied. See the License for the |
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18 | * specific language governing permissions and limitations |
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19 | * under the License. |
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20 | */ |
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21 | ||
22 | import org.apache.torque.engine.database.model.Domain; |
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23 | import org.apache.torque.engine.database.model.SchemaType; |
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24 | ||
25 | /** |
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26 | * HSQLDB (formerly known as Hypersonic) Platform implementation. |
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27 | * |
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28 | * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a> |
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29 | * @version $Id: PlatformHypersonicImpl.java 473814 2006-11-11 22:30:30Z tv $ |
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30 | */ |
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31 | public class PlatformHypersonicImpl extends PlatformDefaultImpl |
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32 | { |
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33 | /** |
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34 | * Default constructor. |
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35 | */ |
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36 | public PlatformHypersonicImpl() |
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37 | { |
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38 | 17 | super(); |
39 | 17 | initialize(); |
40 | 17 | } |
41 | ||
42 | /** |
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43 | * Initializes db specific domain mapping. |
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44 | */ |
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45 | private void initialize() |
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46 | { |
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47 | 17 | setSchemaDomainMapping(new Domain(SchemaType.CHAR, "VARCHAR")); |
48 | 17 | setSchemaDomainMapping(new Domain(SchemaType.BOOLEANCHAR, "VARCHAR")); |
49 | 17 | setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "VARCHAR")); |
50 | 17 | setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "BINARY")); |
51 | 17 | setSchemaDomainMapping(new Domain(SchemaType.BLOB, "BINARY")); |
52 | 17 | setSchemaDomainMapping(new Domain(SchemaType.CLOB, "LONGVARCHAR")); |
53 | 17 | } |
54 | ||
55 | /** |
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56 | * @return The RDBMS-specific SQL fragment for autoincrement. |
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57 | * @see Platform#getAutoIncrement() |
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58 | */ |
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59 | public String getAutoIncrement() |
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60 | { |
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61 | 51 | return "GENERATED BY DEFAULT AS IDENTITY (START WITH 1)"; |
62 | } |
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63 | ||
64 | /** |
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65 | * Returns whether the "not null part" of the definition of a column |
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66 | * should be generated before the "autoincrement part" in a "create table" |
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67 | * statement. |
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68 | * @return false. |
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69 | * @see Platform#createNotNullBeforeAutoincrement() |
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70 | */ |
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71 | public boolean createNotNullBeforeAutoincrement() |
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72 | { |
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73 | 306 | return false; |
74 | } |
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75 | } |
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