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org.apache.torque.engine.platform.PlatformDb2Impl |
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1 | package org.apache.torque.engine.platform; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | import org.apache.torque.engine.database.model.Domain; |
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20 | import org.apache.torque.engine.database.model.SchemaType; |
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21 | ||
22 | /** |
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23 | * DB2 Platform implementation. |
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24 | * |
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25 | * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a> |
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26 | * @version $Id: PlatformDb2Impl.java 239626 2005-08-24 12:19:51Z henning $ |
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27 | */ |
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28 | public class PlatformDb2Impl extends PlatformDefaultImpl |
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29 | { |
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30 | /** |
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31 | * Default constructor. |
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32 | */ |
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33 | public PlatformDb2Impl() |
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34 | { |
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35 | 0 | super(); |
36 | 0 | initialize(); |
37 | 0 | } |
38 | ||
39 | /** |
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40 | * Initializes db specific domain mapping. |
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41 | */ |
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42 | private void initialize() |
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43 | { |
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44 | 0 | setSchemaDomainMapping(new Domain(SchemaType.CHAR, "VARCHAR")); |
45 | 0 | setSchemaDomainMapping(new Domain(SchemaType.BOOLEANCHAR, "VARCHAR")); |
46 | 0 | setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "LONG VARCHAR")); |
47 | 0 | setSchemaDomainMapping(new Domain(SchemaType.BINARY, "CHAR(n) FOR BIT DATA")); |
48 | 0 | setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "VARCHAR(n) FOR BIT DATA")); |
49 | 0 | setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "LONG VARCHAR FOR BIT DATA")); |
50 | 0 | } |
51 | ||
52 | /** |
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53 | * @see Platform#getMaxColumnNameLength() |
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54 | */ |
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55 | public int getMaxColumnNameLength() |
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56 | { |
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57 | // TODO check this! (value taken from db.props) |
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58 | 0 | return 18; |
59 | } |
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60 | ||
61 | /** |
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62 | * @see Platform#getAutoIncrement() |
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63 | */ |
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64 | public String getAutoIncrement() |
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65 | { |
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66 | 0 | return "GENERATED ALWAYS AS IDENTITY"; |
67 | } |
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68 | ||
69 | } |
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