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org.apache.torque.engine.platform.PlatformMssqlImpl |
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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 | * MS SQL 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 | * @author <a href="mailto:greg.monroe@dukece.com">Greg Monroe</a> |
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30 | * @version $Id: PlatformMssqlImpl.java 473814 2006-11-11 22:30:30Z tv $ |
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31 | */ |
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32 | public class PlatformMssqlImpl extends PlatformDefaultImpl |
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33 | { |
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34 | /** |
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35 | * Default constructor. |
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36 | */ |
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37 | public PlatformMssqlImpl() |
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38 | { |
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39 | 17 | super(); |
40 | 17 | initialize(); |
41 | 17 | } |
42 | ||
43 | /** |
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44 | * Initializes db specific domain mapping. |
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45 | */ |
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46 | private void initialize() |
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47 | { |
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48 | 17 | setSchemaDomainMapping(new Domain(SchemaType.INTEGER, "INT")); |
49 | 17 | setSchemaDomainMapping(new Domain(SchemaType.BOOLEANINT, "INT")); |
50 | 17 | setSchemaDomainMapping(new Domain(SchemaType.DOUBLE, "FLOAT")); |
51 | 17 | setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "TEXT")); |
52 | 17 | setSchemaDomainMapping(new Domain(SchemaType.DATE, "DATETIME")); |
53 | 17 | setSchemaDomainMapping(new Domain(SchemaType.TIME, "DATETIME")); |
54 | 17 | setSchemaDomainMapping(new Domain(SchemaType.TIMESTAMP, "DATETIME")); |
55 | 17 | setSchemaDomainMapping(new Domain(SchemaType.BINARY, "BINARY(7132)")); |
56 | 17 | setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "IMAGE")); |
57 | 17 | setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "IMAGE")); |
58 | 17 | setSchemaDomainMapping(new Domain(SchemaType.BLOB, "IMAGE")); |
59 | 17 | setSchemaDomainMapping(new Domain(SchemaType.CLOB, "TEXT")); |
60 | 17 | } |
61 | ||
62 | /** |
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63 | * @see Platform#getMaxColumnNameLength() |
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64 | */ |
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65 | public int getMaxColumnNameLength() |
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66 | { |
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67 | 0 | return 30; |
68 | } |
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69 | ||
70 | /** |
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71 | * @return Explicitly returns <code>NULL</code> if null values are |
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72 | * allowed (as recomended by Microsoft). |
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73 | * @see Platform#getNullString(boolean) |
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74 | */ |
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75 | public String getNullString(boolean notNull) |
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76 | { |
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77 | 272 | return (notNull ? "NOT NULL" : "NULL"); |
78 | } |
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79 | ||
80 | } |
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