svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / JDBCHelperBase.java @ 45647
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1 | 45065 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2020 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 43020 | jjdelcerro | package org.gvsig.fmap.dal.store.jdbc2.spi; |
25 | |||
26 | 45165 | jjdelcerro | import java.io.File; |
27 | 44297 | jjdelcerro | import java.sql.Blob; |
28 | 45008 | omartinez | import java.sql.Clob; |
29 | 43020 | jjdelcerro | import java.sql.Connection; |
30 | import java.sql.ResultSet; |
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31 | 44376 | jjdelcerro | import java.util.ArrayList; |
32 | 45162 | omartinez | import java.util.HashSet; |
33 | 44376 | jjdelcerro | import java.util.List; |
34 | 45008 | omartinez | import org.apache.commons.io.IOUtils; |
35 | 44376 | jjdelcerro | import org.apache.commons.lang3.ArrayUtils; |
36 | 43020 | jjdelcerro | import org.apache.commons.lang3.StringUtils; |
37 | 44191 | jjdelcerro | import org.apache.commons.lang3.mutable.MutableBoolean; |
38 | import org.gvsig.expressionevaluator.Code; |
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39 | 44376 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionBuilder; |
40 | 44191 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
41 | import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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42 | import org.gvsig.expressionevaluator.Function; |
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43 | 44644 | jjdelcerro | import org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType; |
44 | 44198 | jjdelcerro | import org.gvsig.expressionevaluator.SymbolTable; |
45 | 44750 | jjdelcerro | import static org.gvsig.fmap.dal.DataManager.FUNCTION_EXISTS; |
46 | import static org.gvsig.fmap.dal.DataManager.FUNCTION_FOREING_VALUE; |
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47 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.DataTypes; |
48 | 44376 | jjdelcerro | import org.gvsig.fmap.dal.SQLBuilder; |
49 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.exception.DataException; |
50 | import org.gvsig.fmap.dal.exception.InitializeException; |
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51 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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52 | 44191 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureQueryOrder; |
53 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureType; |
54 | 44376 | jjdelcerro | import org.gvsig.fmap.dal.feature.ForeingKey; |
55 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
56 | 44376 | jjdelcerro | import org.gvsig.fmap.dal.feature.spi.SQLBuilderBase; |
57 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
58 | import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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59 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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60 | 45165 | jjdelcerro | import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters; |
61 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
62 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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63 | import org.gvsig.fmap.dal.store.db.DBHelper; |
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64 | import org.gvsig.fmap.dal.store.jdbc.JDBCConnectionParameters; |
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65 | import org.gvsig.fmap.dal.store.jdbc.JDBCLibrary; |
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66 | import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters; |
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67 | import org.gvsig.fmap.dal.store.jdbc.JDBCResource; |
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68 | import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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69 | import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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70 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCCantFetchValueException; |
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71 | import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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72 | import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorer; |
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73 | import org.gvsig.fmap.dal.store.jdbc2.JDBCStoreProvider; |
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74 | import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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75 | import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
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76 | import org.gvsig.fmap.dal.store.jdbc2.ResulSetControler; |
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77 | import org.gvsig.fmap.dal.store.jdbc2.ResulSetControler.ResultSetEntry; |
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78 | 45481 | fdiaz | import org.gvsig.fmap.dal.store.jdbc2.impl.ResulSetControlerBase; |
79 | import org.gvsig.fmap.dal.store.jdbc2.spi.operations.OperationsFactoryBase; |
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80 | 43020 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
81 | import org.gvsig.fmap.geom.GeometryLocator; |
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82 | import org.gvsig.fmap.geom.GeometryManager; |
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83 | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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84 | 44191 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
85 | 43020 | jjdelcerro | import org.gvsig.tools.exception.BaseException; |
86 | 43377 | jjdelcerro | import org.gvsig.tools.exception.NotYetImplemented; |
87 | 44191 | jjdelcerro | import org.gvsig.tools.visitor.VisitCanceledException; |
88 | import org.gvsig.tools.visitor.Visitor; |
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89 | 43020 | jjdelcerro | import org.slf4j.Logger; |
90 | import org.slf4j.LoggerFactory; |
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91 | |||
92 | 44191 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
93 | 43020 | jjdelcerro | public class JDBCHelperBase extends AbstractDisposable implements ResourceConsumer, JDBCHelper { |
94 | |||
95 | 44750 | jjdelcerro | private static final boolean ALLOW_AUTOMATIC_VALUES = true; |
96 | private static final String QUOTE_FOR_USE_IN_IDENTIFIERS = "\""; |
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97 | private static final String QUOTE_FOR_USE_IN_STRINGS = "'"; |
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98 | 43020 | jjdelcerro | |
99 | 44750 | jjdelcerro | private static final Logger LOGGER = LoggerFactory.getLogger(JDBCHelperBase.class); |
100 | 43020 | jjdelcerro | |
101 | 44750 | jjdelcerro | private ResulSetControler resulSetControler = null; |
102 | 43020 | jjdelcerro | |
103 | 44750 | jjdelcerro | // Quien ha creado este helper.
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104 | // Se le reenviaran las notificaciones del recurso asociado al helper.
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105 | private ResourceConsumer helperClient = null; |
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106 | 43020 | jjdelcerro | |
107 | 44750 | jjdelcerro | private GeometryManager geometryManager = null; |
108 | 43020 | jjdelcerro | |
109 | 44750 | jjdelcerro | private JDBCConnectionParameters connectionParameters;
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110 | 43020 | jjdelcerro | |
111 | 44750 | jjdelcerro | private JDBCStoreProvider store;
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112 | 44403 | omartinez | |
113 | 44750 | jjdelcerro | protected OperationsFactory operationsFactory = null; |
114 | 44403 | omartinez | |
115 | 44750 | jjdelcerro | protected SRSSolver srssolver;
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116 | 45152 | fdiaz | |
117 | protected FeatureType providerFeatureType = null; |
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118 | 44403 | omartinez | |
119 | 44750 | jjdelcerro | public JDBCHelperBase(JDBCConnectionParameters connectionParameters) {
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120 | 45647 | fdiaz | if (connectionParameters == null) { |
121 | throw new IllegalArgumentException("Connection parameters can't be null."); |
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122 | } |
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123 | this.connectionParameters = connectionParameters;
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124 | 44403 | omartinez | |
125 | 45647 | fdiaz | // If a particular treatment is required to convert SRS to the
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126 | // BBDD format, overwrite JDBCSRSsBase and use it instead of JDBCSRSsDumb.
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127 | this.srssolver = new SRSSolverDumb(this); |
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128 | } |
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129 | 43020 | jjdelcerro | |
130 | 44750 | jjdelcerro | protected void initialize( |
131 | ResourceConsumer helperClient, |
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132 | JDBCConnectionParameters connectionParameters, |
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133 | JDBCStoreProvider store |
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134 | ) { |
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135 | this.store = store;
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136 | this.helperClient = helperClient;
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137 | this.connectionParameters = connectionParameters;
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138 | initializeResource(connectionParameters); |
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139 | } |
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140 | 44403 | omartinez | |
141 | 44750 | jjdelcerro | protected String getResourceType() { |
142 | return JDBCResource.NAME;
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143 | } |
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144 | 43020 | jjdelcerro | |
145 | 44750 | jjdelcerro | @Override
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146 | public String getProviderName() { |
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147 | return JDBCLibrary.NAME;
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148 | } |
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149 | 44403 | omartinez | |
150 | 44750 | jjdelcerro | @Override
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151 | public GeometrySupportType getGeometrySupportType() {
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152 | // El proveedor generico de JDBC guadara las geoemtrias como WKT
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153 | return GeometrySupportType.WKT;
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154 | } |
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155 | 45152 | fdiaz | |
156 | /**
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157 | * @return the providerFeatureType
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158 | */
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159 | @Override
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160 | public FeatureType getProviderFeatureType() {
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161 | return providerFeatureType;
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162 | } |
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163 | 43020 | jjdelcerro | |
164 | 45152 | fdiaz | /**
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165 | * @param providerFeatureType the providerFeatureType to set
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166 | */
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167 | 44750 | jjdelcerro | @Override
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168 | 45152 | fdiaz | public void setProviderFeatureType(FeatureType providerFeatureType) { |
169 | this.providerFeatureType = providerFeatureType;
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170 | } |
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171 | |||
172 | |||
173 | @Override
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174 | 44750 | jjdelcerro | public boolean hasSpatialFunctions() { |
175 | // Por defecto el proveedor generico de JDBC asume que la BBDD no
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176 | // tiene soporte para funciones espaciales.
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177 | return false; |
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178 | } |
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179 | 43020 | jjdelcerro | |
180 | 44750 | jjdelcerro | @Override
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181 | public boolean allowNestedOperations() { |
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182 | return false; |
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183 | } |
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184 | 44403 | omartinez | |
185 | 44750 | jjdelcerro | @Override
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186 | public boolean canWriteGeometry(int geometryType, int geometrySubtype) { |
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187 | // Como va a guardar las geometrias en WKT, puede escribirlas todas.
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188 | return true; |
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189 | } |
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190 | 43020 | jjdelcerro | |
191 | 44750 | jjdelcerro | @Override
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192 | public JDBCSQLBuilderBase createSQLBuilder() {
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193 | return new JDBCSQLBuilderBase(this); |
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194 | } |
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195 | 43020 | jjdelcerro | |
196 | 44750 | jjdelcerro | @Override
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197 | public String getQuoteForIdentifiers() { |
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198 | return QUOTE_FOR_USE_IN_IDENTIFIERS;
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199 | } |
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200 | 43020 | jjdelcerro | |
201 | 44750 | jjdelcerro | @Override
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202 | public boolean allowAutomaticValues() { |
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203 | return ALLOW_AUTOMATIC_VALUES;
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204 | } |
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205 | 43020 | jjdelcerro | |
206 | 44750 | jjdelcerro | @Override
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207 | public boolean supportOffsetInSelect() { |
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208 | // Asumimos que la BBDD soporta OFFSET
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209 | return true; |
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210 | } |
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211 | 44403 | omartinez | |
212 | 44750 | jjdelcerro | @Override
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213 | public String getQuoteForStrings() { |
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214 | return QUOTE_FOR_USE_IN_STRINGS;
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215 | } |
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216 | 44191 | jjdelcerro | |
217 | 44752 | jjdelcerro | protected boolean supportCaller(Code.Callable caller) { |
218 | 44750 | jjdelcerro | if (StringUtils.equalsIgnoreCase(caller.name(), "FOREING_VALUE")) { |
219 | return true; |
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220 | 44376 | jjdelcerro | } |
221 | 44750 | jjdelcerro | Function function = caller.function(); |
222 | if (function == null) { |
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223 | return false; |
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224 | } |
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225 | if (!function.isSQLCompatible()) {
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226 | return false; |
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227 | } |
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228 | if (!this.hasSpatialFunctions()) { |
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229 | if (StringUtils.equalsIgnoreCase(function.group(), Function.GROUP_OGC)) {
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230 | return false; |
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231 | } |
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232 | } |
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233 | return true; |
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234 | } |
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235 | 44403 | omartinez | |
236 | 44750 | jjdelcerro | @Override
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237 | public boolean supportFilter(final FeatureType type, Evaluator filter) { |
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238 | // No podemos filtrar cuando:
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239 | // - Hay una subquery especificada en los parametros
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240 | // - Si hay un filtro y el getSQL devuelbe null.
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241 | // - Si se esta usando alguna funcion no-sql en el getSQL
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242 | // - Si se estan usando funciones OGC y no soportamos funciones espaciales
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243 | // - Si se esta usando algun campo calculado en la expresion de filtro.
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244 | //
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245 | // Un proveedor especifico podria sobreescribir el metodo,
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246 | // para hilar mas fino al comprobar si soporta el filtro o no.
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247 | //
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248 | 44403 | omartinez | |
249 | 44750 | jjdelcerro | if (this.useSubquery()) { |
250 | // Se esta usando una subquery en los parametros de acceso a la
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251 | // BBDD, asi que no podemos filtrar.
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252 | return false; |
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253 | } |
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254 | if (filter == null) { |
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255 | // No hay que filtrar nada, asi que se p?ede.
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256 | return true; |
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257 | } |
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258 | String sql = filter.getSQL();
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259 | if (StringUtils.isEmpty(sql)) {
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260 | // Hay un filtro, pero la SQL es null, con lo que no podemos
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261 | // filtrar por el.
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262 | return false; |
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263 | } |
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264 | 44191 | jjdelcerro | |
265 | 44750 | jjdelcerro | // Ahora vamos a comprobar que las funciones que se usan son
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266 | // compatibles sql, y que no se usan funciones OGC si el
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267 | // proveedor dice que no soporta funciones espaciales.
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268 | // Tambien comprobaremos que el filtro no usa ningun campo calculado.
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269 | final MutableBoolean isCompatible = new MutableBoolean(true); |
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270 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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271 | Code code = manager.compile(sql); |
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272 | SymbolTable symbolTable = manager.createSymbolTable(); |
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273 | code.link(symbolTable); |
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274 | try {
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275 | code.accept(new Visitor() {
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276 | @Override
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277 | public void visit(Object code_obj) throws VisitCanceledException, BaseException { |
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278 | Code code = (Code) code_obj; |
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279 | switch (code.code()) {
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280 | 44752 | jjdelcerro | case Code.CALLABLE:
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281 | Code.Callable caller = (Code.Callable) code; |
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282 | 44750 | jjdelcerro | if (!supportCaller(caller)) {
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283 | isCompatible.setValue(false);
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284 | throw new VisitCanceledException(); |
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285 | } |
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286 | break;
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287 | 44403 | omartinez | |
288 | 44750 | jjdelcerro | case Code.IDENTIFIER:
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289 | Code.Identifier identifier = (Code.Identifier) code; |
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290 | if (type != null) { |
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291 | FeatureAttributeDescriptor attrdesc = type.getAttributeDescriptor(identifier.name()); |
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292 | if (attrdesc != null) { |
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293 | if (attrdesc.isComputed()) {
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294 | isCompatible.setValue(false);
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295 | throw new VisitCanceledException(); |
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296 | } |
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297 | 44191 | jjdelcerro | } |
298 | 44750 | jjdelcerro | } |
299 | break;
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300 | } |
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301 | 44191 | jjdelcerro | } |
302 | 44750 | jjdelcerro | }); |
303 | 44403 | omartinez | |
304 | 44750 | jjdelcerro | } catch (VisitCanceledException ex) {
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305 | // Do nothing
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306 | } catch (Exception ex) { |
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307 | LOGGER.warn("Can't calculate if is SQL compatible.", ex);
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308 | 44191 | jjdelcerro | } |
309 | 44403 | omartinez | |
310 | 44750 | jjdelcerro | return isCompatible.booleanValue();
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311 | } |
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312 | |||
313 | @Override
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314 | public boolean supportOrder(FeatureType type, FeatureQueryOrder order) { |
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315 | if (this.useSubquery()) { |
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316 | return false; |
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317 | } |
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318 | if (order == null) { |
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319 | return true; |
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320 | } |
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321 | for (FeatureQueryOrder.FeatureQueryOrderMember member : order.members()) {
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322 | if (member.hasEvaluator()) {
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323 | if (!this.supportFilter(type, member.getEvaluator())) { |
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324 | return false; |
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325 | 44191 | jjdelcerro | } |
326 | 44750 | jjdelcerro | } |
327 | 44191 | jjdelcerro | } |
328 | 44750 | jjdelcerro | return true; |
329 | } |
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330 | 44403 | omartinez | |
331 | 44750 | jjdelcerro | @Override
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332 | public OperationsFactory getOperations() {
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333 | 45481 | fdiaz | if (this.operationsFactory == null && !isClosed()) { |
334 | 44750 | jjdelcerro | this.operationsFactory = new OperationsFactoryBase(this); |
335 | 43020 | jjdelcerro | } |
336 | 44750 | jjdelcerro | return operationsFactory;
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337 | } |
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338 | 44403 | omartinez | |
339 | 44750 | jjdelcerro | protected void initializeResource(JDBCConnectionParameters params) { |
340 | 43020 | jjdelcerro | // Object[] resourceParams = new Object[]{
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341 | // params.getUrl(),
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342 | // params.getHost(),
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343 | // params.getPort(),
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344 | // params.getDBName(),
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345 | // params.getUser(),
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346 | // params.getPassword(),
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347 | // params.getJDBCDriverClassName()
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348 | // };
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349 | //
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350 | // try {
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351 | // ResourceManagerProviderServices manager
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352 | // = (ResourceManagerProviderServices) DALLocator.getResourceManager();
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353 | // JDBCResource resource = (JDBCResource) manager.createAddResource(
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354 | // this.getResourceType(),
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355 | // resourceParams
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356 | // );
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357 | // this.resource = resource;
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358 | // this.resource.addConsumer(this);
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359 | // } catch (InitializeException ex) {
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360 | 44750 | jjdelcerro | // logger.trace("Can't initialize resource (" + ArrayUtils.toString(resourceParams) + ").", ex);
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361 | 43020 | jjdelcerro | // throw new RuntimeException("Can't initialize resource (" + ArrayUtils.toString(resourceParams) + ").", ex);
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362 | // }
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363 | |||
364 | 44750 | jjdelcerro | } |
365 | 43020 | jjdelcerro | |
366 | 44750 | jjdelcerro | @Override
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367 | public String getSourceId() { |
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368 | return this.store.getSourceId(); |
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369 | } |
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370 | 44403 | omartinez | |
371 | 44750 | jjdelcerro | @Override
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372 | public JDBCResource getResource() {
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373 | return null; |
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374 | 43020 | jjdelcerro | // return this.resource;
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375 | 44750 | jjdelcerro | } |
376 | 43020 | jjdelcerro | |
377 | 44750 | jjdelcerro | @Override
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378 | public Connection getConnection() throws AccessResourceException { |
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379 | throw new NotYetImplemented(); |
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380 | } |
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381 | 43020 | jjdelcerro | |
382 | 44750 | jjdelcerro | @Override
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383 | public Connection getConnectionWritable() throws AccessResourceException { |
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384 | return this.getConnection(); |
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385 | } |
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386 | 43377 | jjdelcerro | |
387 | 44750 | jjdelcerro | @Override
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388 | public String getConnectionURL() { |
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389 | return null; |
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390 | } |
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391 | 43035 | jjdelcerro | |
392 | 44750 | jjdelcerro | @Override
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393 | public JDBCConnectionParameters getConnectionParameters() {
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394 | return connectionParameters;
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395 | } |
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396 | 43035 | jjdelcerro | |
397 | 44750 | jjdelcerro | @Override
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398 | public void closeConnection(Connection connection) { |
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399 | 45097 | jjdelcerro | JDBCUtils.close(connection); |
400 | 44750 | jjdelcerro | } |
401 | 44191 | jjdelcerro | |
402 | 44750 | jjdelcerro | @Override
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403 | public void closeConnectionQuietly(Connection connection) { |
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404 | 45097 | jjdelcerro | JDBCUtils.closeQuietly(connection); |
405 | 44750 | jjdelcerro | } |
406 | 44403 | omartinez | |
407 | 44750 | jjdelcerro | @Override
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408 | protected void doDispose() throws BaseException { |
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409 | JDBCUtils.closeQuietly(this);
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410 | } |
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411 | 43020 | jjdelcerro | |
412 | 44750 | jjdelcerro | @Override
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413 | public void close() throws Exception { |
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414 | JDBCUtils.closeQuietly(this.resulSetControler);
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415 | this.resulSetControler = null; |
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416 | 45481 | fdiaz | this.operationsFactory = null; |
417 | this.srssolver = null; |
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418 | this.connectionParameters = null; |
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419 | this.helperClient = null; |
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420 | this.geometryManager = null; |
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421 | this.providerFeatureType = null; |
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422 | this.store = null; |
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423 | 44750 | jjdelcerro | } |
424 | 45481 | fdiaz | |
425 | public boolean isClosed() { |
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426 | return this.srssolver == null; |
||
427 | } |
||
428 | 43020 | jjdelcerro | |
429 | 44750 | jjdelcerro | @Override
|
430 | public boolean closeResourceRequested(ResourceProvider resource) { |
||
431 | return this.helperClient.closeResourceRequested(resource); |
||
432 | } |
||
433 | 43020 | jjdelcerro | |
434 | 44750 | jjdelcerro | @Override
|
435 | public void resourceChanged(ResourceProvider resource) { |
||
436 | this.helperClient.resourceChanged(resource);
|
||
437 | } |
||
438 | 43020 | jjdelcerro | |
439 | 44750 | jjdelcerro | @Override
|
440 | public GeometryManager getGeometryManager() {
|
||
441 | if (this.geometryManager == null) { |
||
442 | this.geometryManager = GeometryLocator.getGeometryManager();
|
||
443 | 43020 | jjdelcerro | } |
444 | 44750 | jjdelcerro | return this.geometryManager; |
445 | } |
||
446 | 43020 | jjdelcerro | |
447 | 44750 | jjdelcerro | @Override
|
448 | public ResulSetControler getResulSetControler() {
|
||
449 | if (this.resulSetControler == null) { |
||
450 | this.resulSetControler = new ResulSetControlerBase(this); |
||
451 | 43020 | jjdelcerro | } |
452 | 44750 | jjdelcerro | return this.resulSetControler; |
453 | } |
||
454 | 43020 | jjdelcerro | |
455 | 44750 | jjdelcerro | @Override
|
456 | public void fetchFeature(FeatureProvider feature, ResultSetEntry rs) throws DataException { |
||
457 | fetchFeature(feature, rs.get(), rs.getColumns(), rs.getExtraValueNames()); |
||
458 | } |
||
459 | 43020 | jjdelcerro | |
460 | 44750 | jjdelcerro | @Override
|
461 | public void fetchFeature(FeatureProvider feature, ResultSet rs, FeatureAttributeDescriptor[] columns, String[] extraValueNames) throws DataException { |
||
462 | Object value;
|
||
463 | try {
|
||
464 | int rsIndex = 1; |
||
465 | for (FeatureAttributeDescriptor column : columns) {
|
||
466 | switch (column.getType()) {
|
||
467 | case DataTypes.GEOMETRY:
|
||
468 | value = this.getGeometryFromColumn(rs, rsIndex++);
|
||
469 | break;
|
||
470 | default:
|
||
471 | value = rs.getObject(rsIndex++); |
||
472 | if (value instanceof Blob) { |
||
473 | Blob blob = (Blob) value; |
||
474 | 45152 | fdiaz | value = blob.getBytes(1, (int) blob.length()); |
475 | 44750 | jjdelcerro | blob.free(); |
476 | 45008 | omartinez | } else if(value instanceof Clob) { |
477 | Clob clob = (Clob) value; |
||
478 | value = new String(IOUtils.toCharArray(clob.getCharacterStream())); |
||
479 | clob.free(); |
||
480 | } |
||
481 | 43020 | jjdelcerro | } |
482 | 44750 | jjdelcerro | feature.set(column.getIndex(), value); |
483 | } |
||
484 | if (ArrayUtils.isNotEmpty(extraValueNames)) {
|
||
485 | feature.setExtraValueNames(extraValueNames); |
||
486 | for (int index = 0; index < extraValueNames.length; index++) { |
||
487 | value = rs.getObject(rsIndex++); |
||
488 | if (value instanceof Blob) { |
||
489 | Blob blob = (Blob) value; |
||
490 | value = blob.getBytes(0, (int) blob.length()); |
||
491 | blob.free(); |
||
492 | } |
||
493 | feature.setExtraValue(index, value); |
||
494 | } |
||
495 | } |
||
496 | } catch (Exception ex) { |
||
497 | throw new JDBCCantFetchValueException(ex); |
||
498 | 43020 | jjdelcerro | } |
499 | 44750 | jjdelcerro | } |
500 | 43020 | jjdelcerro | |
501 | 44750 | jjdelcerro | @Override
|
502 | public Geometry getGeometryFromColumn(ResultSetEntry rs, int index) throws DataException { |
||
503 | return getGeometryFromColumn(rs.get(), index);
|
||
504 | } |
||
505 | 43020 | jjdelcerro | |
506 | 44750 | jjdelcerro | @Override
|
507 | public Geometry getGeometryFromColumn(ResultSet rs, int index) throws DataException { |
||
508 | try {
|
||
509 | Object value;
|
||
510 | switch (this.getGeometrySupportType()) { |
||
511 | case NATIVE:
|
||
512 | case WKB:
|
||
513 | value = rs.getBytes(index); |
||
514 | if (value == null) { |
||
515 | return null; |
||
516 | } |
||
517 | return this.getGeometryManager().createFrom((byte[]) value); |
||
518 | 43020 | jjdelcerro | |
519 | 44750 | jjdelcerro | case EWKB:
|
520 | value = rs.getBytes(index); |
||
521 | if (value == null) { |
||
522 | return null; |
||
523 | } |
||
524 | return this.getGeometryManager().createFrom((byte[]) value); |
||
525 | case WKT:
|
||
526 | default:
|
||
527 | value = rs.getString(index); |
||
528 | if (value == null) { |
||
529 | return null; |
||
530 | } |
||
531 | return this.getGeometryManager().createFrom((String) value); |
||
532 | 43020 | jjdelcerro | |
533 | 44750 | jjdelcerro | } |
534 | } catch (Exception ex) { |
||
535 | throw new JDBCCantFetchValueException(ex); |
||
536 | 43020 | jjdelcerro | } |
537 | 44750 | jjdelcerro | } |
538 | 43020 | jjdelcerro | |
539 | 44750 | jjdelcerro | @Override
|
540 | public FeatureProvider createFeature(FeatureType featureType) throws DataException { |
||
541 | return this.store.getStoreServices().createDefaultFeatureProvider(featureType); |
||
542 | } |
||
543 | 44403 | omartinez | |
544 | 44750 | jjdelcerro | @Override
|
545 | public boolean useSubquery() { |
||
546 | if (this.store == null) { |
||
547 | return false; |
||
548 | 44403 | omartinez | } |
549 | 44750 | jjdelcerro | return !StringUtils.isEmpty(this.store.getParameters().getSQL()); |
550 | } |
||
551 | 44403 | omartinez | |
552 | 44750 | jjdelcerro | @Override
|
553 | public SRSSolver getSRSSolver() {
|
||
554 | return this.srssolver; |
||
555 | } |
||
556 | 44403 | omartinez | |
557 | 44750 | jjdelcerro | @Override
|
558 | public JDBCStoreProvider createProvider(
|
||
559 | JDBCStoreParameters parameters, |
||
560 | DataStoreProviderServices providerServices |
||
561 | ) throws InitializeException {
|
||
562 | 44403 | omartinez | |
563 | 44750 | jjdelcerro | JDBCStoreProviderBase theStore = new JDBCStoreProviderBase(
|
564 | parameters, |
||
565 | providerServices, |
||
566 | DBHelper.newMetadataContainer(JDBCLibrary.NAME), |
||
567 | this
|
||
568 | ); |
||
569 | this.initialize(theStore, parameters, theStore);
|
||
570 | return theStore;
|
||
571 | } |
||
572 | 43020 | jjdelcerro | |
573 | 44750 | jjdelcerro | @Override
|
574 | public JDBCServerExplorer createServerExplorer(
|
||
575 | JDBCServerExplorerParameters parameters, |
||
576 | DataServerExplorerProviderServices providerServices |
||
577 | ) throws InitializeException {
|
||
578 | 44403 | omartinez | |
579 | 44750 | jjdelcerro | JDBCServerExplorer explorer = new JDBCServerExplorerBase(
|
580 | parameters, |
||
581 | providerServices, |
||
582 | this
|
||
583 | ); |
||
584 | this.initialize(explorer, parameters, null); |
||
585 | return explorer;
|
||
586 | } |
||
587 | 43020 | jjdelcerro | |
588 | 44750 | jjdelcerro | @Override
|
589 | public JDBCNewStoreParameters createNewStoreParameters() {
|
||
590 | return new JDBCNewStoreParameters(); |
||
591 | } |
||
592 | 43020 | jjdelcerro | |
593 | 44750 | jjdelcerro | @Override
|
594 | public JDBCStoreParameters createOpenStoreParameters() {
|
||
595 | return new JDBCStoreParameters(); |
||
596 | } |
||
597 | 45165 | jjdelcerro | |
598 | @Override
|
||
599 | public JDBCStoreParameters createOpenStoreParameters(JDBCServerExplorerParameters parameters) {
|
||
600 | JDBCStoreParameters params = this.createOpenStoreParameters();
|
||
601 | params.setHost(parameters.getHost()); |
||
602 | params.setPort(parameters.getPort()); |
||
603 | params.setDBName(parameters.getDBName()); |
||
604 | params.setUser(parameters.getUser()); |
||
605 | params.setPassword(parameters.getPassword()); |
||
606 | params.setCatalog(parameters.getCatalog()); |
||
607 | params.setSchema(parameters.getSchema()); |
||
608 | params.setJDBCDriverClassName(parameters.getJDBCDriverClassName()); |
||
609 | params.setUrl(parameters.getUrl()); |
||
610 | if( parameters instanceof FilesystemStoreParameters ) { |
||
611 | File f = ((FilesystemStoreParameters) parameters).getFile();
|
||
612 | ((FilesystemStoreParameters) params).setFile(f); |
||
613 | } |
||
614 | return params;
|
||
615 | } |
||
616 | |||
617 | 43020 | jjdelcerro | |
618 | 44750 | jjdelcerro | @Override
|
619 | public JDBCServerExplorerParameters createServerExplorerParameters() {
|
||
620 | return new JDBCServerExplorerParameters(); |
||
621 | } |
||
622 | 43020 | jjdelcerro | |
623 | 44750 | jjdelcerro | @Override
|
624 | public String getSourceId(JDBCStoreParameters parameters) { |
||
625 | return parameters.getHost() + ":" |
||
626 | + parameters.getDBName() + ":"
|
||
627 | + parameters.getSchema() + ":"
|
||
628 | + parameters.tableID(); |
||
629 | } |
||
630 | 44198 | jjdelcerro | |
631 | 44750 | jjdelcerro | @Override
|
632 | public boolean isThreadSafe() { |
||
633 | return true; |
||
634 | } |
||
635 | |||
636 | 45131 | fdiaz | /**
|
637 | * This method has been overriden in Oracle provider
|
||
638 | *
|
||
639 | * @param sqlbuilder
|
||
640 | * @param type
|
||
641 | * @param extra_column_names
|
||
642 | */
|
||
643 | 44750 | jjdelcerro | @Override
|
644 | public void processSpecialFunctions( |
||
645 | SQLBuilder sqlbuilder, |
||
646 | FeatureType type, |
||
647 | List<String> extra_column_names) { |
||
648 | replaceForeingValueFunction(sqlbuilder, type, extra_column_names); |
||
649 | replaceExistsFunction(sqlbuilder, type, extra_column_names); |
||
650 | } |
||
651 | |||
652 | private void replaceExistsFunction( |
||
653 | SQLBuilder sqlbuilder, |
||
654 | FeatureType type, |
||
655 | final List<String> extra_column_names) { |
||
656 | 44748 | jjdelcerro | |
657 | 44750 | jjdelcerro | // Si lse encuentra una construccion del tipo:
|
658 | // SELECT ... FROM ... WHERE ... EXISTS(list, 'EXISTS_ID') ...
|
||
659 | // se traslada a:
|
||
660 | // SELECT ... EXISTS(list) AS EXISTS_ID FROM ... WHERE ... EXISTS(list) ...
|
||
661 | // Y se a?ade el valor ESISTS_ID a las columnas extra a recuperar de la consulta.
|
||
662 | //
|
||
663 | |||
664 | final SQLBuilder.SelectBuilder select = sqlbuilder.select();
|
||
665 | final ExpressionBuilder where = select.where();
|
||
666 | 44785 | jjdelcerro | if (where == null || where.isEmpty() || select.has_group_by() ) { |
667 | 44750 | jjdelcerro | return;
|
668 | 44748 | jjdelcerro | } |
669 | 44750 | jjdelcerro | final List<ExpressionBuilder.Value[]> value_replacements = new ArrayList<>(); |
670 | where.accept(new ExpressionBuilder.Visitor() {
|
||
671 | @Override
|
||
672 | public void visit(ExpressionBuilder.Visitable value) { |
||
673 | if (!(value instanceof ExpressionBuilder.Function)) { |
||
674 | return;
|
||
675 | 44376 | jjdelcerro | } |
676 | 44750 | jjdelcerro | ExpressionBuilder.Function function = (ExpressionBuilder.Function) value; |
677 | if (!StringUtils.equalsIgnoreCase(function.name(), FUNCTION_EXISTS)) {
|
||
678 | return;
|
||
679 | 44682 | jjdelcerro | } |
680 | 44750 | jjdelcerro | if (function.parameters().size() != 2) { |
681 | return;
|
||
682 | } |
||
683 | ExpressionBuilder.Value arg0 = function.parameters().get(0);
|
||
684 | ExpressionBuilder.Value arg1 = function.parameters().get(1);
|
||
685 | if (arg1 == null) { |
||
686 | return;
|
||
687 | } |
||
688 | String columnName = (String) ((ExpressionBuilder.Constant) arg1).value(); |
||
689 | SQLBuilder.SelectColumnBuilder column = select.column(); |
||
690 | column.value( |
||
691 | sqlbuilder.expression().function(FUNCTION_EXISTS, arg0) |
||
692 | ); |
||
693 | column.as(columnName); |
||
694 | 45131 | fdiaz | |
695 | 44750 | jjdelcerro | if( extra_column_names!=null ) { |
696 | extra_column_names.add(columnName); |
||
697 | } |
||
698 | } |
||
699 | }, null);
|
||
700 | if (value_replacements.isEmpty()) {
|
||
701 | return;
|
||
702 | } |
||
703 | // Realizamos los reemplazos calculados previamente (value_replacements).
|
||
704 | for (ExpressionBuilder.Value[] replaceValue : value_replacements) { |
||
705 | ExpressionBuilder.Value target = replaceValue[0];
|
||
706 | ExpressionBuilder.Value replacement = replaceValue[1];
|
||
707 | sqlbuilder.select().replace(target, replacement); |
||
708 | } |
||
709 | } |
||
710 | 44376 | jjdelcerro | |
711 | 45131 | fdiaz | protected void replaceForeingValueFunction( |
712 | 44750 | jjdelcerro | SQLBuilder sqlbuilder, |
713 | FeatureType type, |
||
714 | List<String> extra_column_names) { |
||
715 | try {
|
||
716 | // See test SQLBuilderTest->testForeingValue()
|
||
717 | final ExpressionBuilder where = sqlbuilder.select().where();
|
||
718 | 45155 | omartinez | // if (where == null || where.isEmpty()) {
|
719 | // return;
|
||
720 | // }
|
||
721 | 44750 | jjdelcerro | final SQLBuilder.TableNameBuilder table = sqlbuilder.select().from().table();
|
722 | final ExpressionBuilder expbuilder = sqlbuilder.expression();
|
||
723 | 44403 | omartinez | |
724 | 44750 | jjdelcerro | final List<String> foreing_value_args; |
725 | 45162 | omartinez | if (extra_column_names == null || sqlbuilder.select().has_group_by()) { |
726 | 44750 | jjdelcerro | foreing_value_args = new ArrayList<>(); |
727 | } else {
|
||
728 | foreing_value_args = extra_column_names; |
||
729 | } |
||
730 | final List<ExpressionBuilder.Value[]> value_replacements = new ArrayList<>(); |
||
731 | |||
732 | // Buscamos las llamadas a la funcion "foreing_value" y nos quedamos
|
||
733 | // el argumento de esta asi como por que tendriamos que sustituirla
|
||
734 | // una vez hechos los left joins que toquen.
|
||
735 | 45155 | omartinez | sqlbuilder.select().accept(new ExpressionBuilder.Visitor() {
|
736 | 44750 | jjdelcerro | @Override
|
737 | public void visit(ExpressionBuilder.Visitable value) { |
||
738 | // Requiere que sea la funcion "FOREING_VALUE con un solo
|
||
739 | // argumento que sea una constante de tipo string.
|
||
740 | if (!(value instanceof ExpressionBuilder.Function)) { |
||
741 | 44682 | jjdelcerro | return;
|
742 | 44750 | jjdelcerro | } |
743 | ExpressionBuilder.Function function = (ExpressionBuilder.Function) value; |
||
744 | if (!StringUtils.equalsIgnoreCase(function.name(), FUNCTION_FOREING_VALUE)) {
|
||
745 | return;
|
||
746 | } |
||
747 | if (function.parameters().size() != 1) { |
||
748 | return;
|
||
749 | } |
||
750 | ExpressionBuilder.Value arg = function.parameters().get(0);
|
||
751 | if (!(arg instanceof ExpressionBuilder.Constant)) { |
||
752 | return;
|
||
753 | } |
||
754 | Object arg_value = ((ExpressionBuilder.Constant) arg).value();
|
||
755 | if (!(arg_value instanceof CharSequence)) { |
||
756 | return;
|
||
757 | } |
||
758 | String foreing_value_arg = arg_value.toString();
|
||
759 | String[] foreingNameParts = StringUtils.split(foreing_value_arg, "[.]"); |
||
760 | if (foreingNameParts.length != 2) { |
||
761 | // De momento solo tratamos joins entre dos tablas.
|
||
762 | return;
|
||
763 | } |
||
764 | String columnNameLocal = foreingNameParts[0]; |
||
765 | String columnNameForeing = foreingNameParts[1]; |
||
766 | FeatureAttributeDescriptor attr = type.getAttributeDescriptor(columnNameLocal); |
||
767 | 45385 | omartinez | if (attr==null) { |
768 | throw new RuntimeException("Cannot find in feature type attribute:"+columnNameLocal); |
||
769 | } |
||
770 | 44750 | jjdelcerro | if (!attr.isForeingKey()) {
|
771 | // Uhm... si el argumento no referencia a un campo que es
|
||
772 | // clave ajena no lo procesamos.
|
||
773 | // ? Deberiamos lanzar un error ?
|
||
774 | return;
|
||
775 | } |
||
776 | // Nos guardaremos por que hay que reemplazar la funcion
|
||
777 | // FOREING_VALUE, y su argumento para mas tarde.
|
||
778 | ForeingKey foreingKey = attr.getForeingKey(); |
||
779 | SQLBuilder.TableNameBuilder foreingTable = sqlbuilder.createTableNameBuilder() |
||
780 | .database(table.getDatabase()) |
||
781 | .schema(table.getSchema()) |
||
782 | .name(foreingKey.getTableName()); |
||
783 | // Reemplzaremos la funcion FOREING_VALUE, por el acceso al campo
|
||
784 | // que toca de la tabla a la que referencia la clave ajena.
|
||
785 | ExpressionBuilder.Variable function_replacement = sqlbuilder.column(foreingTable, columnNameForeing); |
||
786 | value_replacements.add( |
||
787 | new ExpressionBuilder.Value[]{ |
||
788 | function, |
||
789 | function_replacement |
||
790 | } |
||
791 | ); |
||
792 | 45155 | omartinez | if (!foreing_value_args.contains(foreing_value_arg)) {
|
793 | foreing_value_args.add(foreing_value_arg); |
||
794 | } |
||
795 | 44376 | jjdelcerro | } |
796 | 44750 | jjdelcerro | }, null);
|
797 | 45155 | omartinez | |
798 | 44750 | jjdelcerro | // Si no habia ningun llamada a la funcion FOREING_VALUE, no hay que
|
799 | // hacer nada.
|
||
800 | if (foreing_value_args.isEmpty()) {
|
||
801 | return;
|
||
802 | } |
||
803 | 44403 | omartinez | |
804 | 44750 | jjdelcerro | // Calculamos que referencias de columnas hemos de cambiar para
|
805 | // que no aparezcan ambiguedades al hacer el join (nombres de
|
||
806 | // columna de una y otra tabla que coincidan).
|
||
807 | // Para las columnas que puedan dar conflicto se prepara un reemplazo
|
||
808 | // de estas que tenga el nombre de tabla.
|
||
809 | for (ExpressionBuilder.Variable variable : sqlbuilder.variables()) {
|
||
810 | if (variable instanceof SQLBuilderBase.ColumnBase) { |
||
811 | continue;
|
||
812 | 44376 | jjdelcerro | } |
813 | for (String foreingName : foreing_value_args) { |
||
814 | 44750 | jjdelcerro | String[] foreingNameParts = foreingName.split("[.]"); |
815 | if (foreingNameParts.length != 2) { |
||
816 | continue;
|
||
817 | } |
||
818 | String columnNameLocal = foreingNameParts[0]; |
||
819 | String columnNameForeing = foreingNameParts[1]; |
||
820 | if (StringUtils.equalsIgnoreCase(variable.name(), columnNameForeing)
|
||
821 | || StringUtils.equalsIgnoreCase(variable.name(), columnNameLocal)) { |
||
822 | ExpressionBuilder.Variable variable_replacement = sqlbuilder.column( |
||
823 | table, |
||
824 | variable.name() |
||
825 | ); |
||
826 | value_replacements.add( |
||
827 | new ExpressionBuilder.Value[]{ |
||
828 | variable, |
||
829 | variable_replacement |
||
830 | } |
||
831 | ); |
||
832 | } |
||
833 | } |
||
834 | } |
||
835 | 44376 | jjdelcerro | |
836 | 44750 | jjdelcerro | // Realizamos los reemplazos calculados previamente (value_replacements).
|
837 | for (ExpressionBuilder.Value[] replaceValue : value_replacements) { |
||
838 | ExpressionBuilder.Value target = replaceValue[0];
|
||
839 | ExpressionBuilder.Value replacement = replaceValue[1];
|
||
840 | sqlbuilder.select().replace(target, replacement); |
||
841 | } |
||
842 | |||
843 | 45162 | omartinez | // A?adimos a la SQL los "LEFT JOIN" que toca para poder acceder
|
844 | // a los valores referenciados por la funcion FOREING_VALUE.
|
||
845 | // Ademas a?adimos los valores referenciados por la funcion FOREING_VALUE
|
||
846 | // como columnas de la SQL para poder acceder a ellos si fuese necesario.
|
||
847 | HashSet usedLeftJoins = new HashSet(); |
||
848 | 44750 | jjdelcerro | for (String foreingName : foreing_value_args) { |
849 | String[] foreingNameParts = foreingName.split("[.]"); |
||
850 | if (foreingNameParts.length != 2) { |
||
851 | continue;
|
||
852 | 44376 | jjdelcerro | } |
853 | 44750 | jjdelcerro | String columnNameLocal = foreingNameParts[0]; |
854 | String columnNameForeing = foreingNameParts[1]; |
||
855 | FeatureAttributeDescriptor attr = type.getAttributeDescriptor(columnNameLocal); |
||
856 | if (attr.isForeingKey()) {
|
||
857 | ForeingKey foreingKey = attr.getForeingKey(); |
||
858 | SQLBuilder.TableNameBuilder foreingTable = sqlbuilder.createTableNameBuilder() |
||
859 | .database(table.getDatabase()) |
||
860 | .schema(table.getSchema()) |
||
861 | .name(foreingKey.getTableName()); |
||
862 | SQLBuilder.TableNameBuilder mainTable = sqlbuilder.createTableNameBuilder() |
||
863 | .database(table.getDatabase()) |
||
864 | .schema(table.getSchema()) |
||
865 | .name(table.getName()); |
||
866 | 45162 | omartinez | |
867 | if (!usedLeftJoins.contains(foreingTable.getName())) {
|
||
868 | sqlbuilder.select().from() |
||
869 | .left_join( |
||
870 | foreingTable, |
||
871 | expbuilder.eq( |
||
872 | sqlbuilder.column(mainTable, columnNameLocal), |
||
873 | sqlbuilder.column(foreingTable, foreingKey.getCodeName()) |
||
874 | ) |
||
875 | ); |
||
876 | usedLeftJoins.add(foreingTable.getName()); |
||
877 | } |
||
878 | if (!sqlbuilder.select().has_group_by()) {
|
||
879 | sqlbuilder.select().column().name(foreingTable, columnNameForeing); |
||
880 | } |
||
881 | 44750 | jjdelcerro | } |
882 | 44682 | jjdelcerro | } |
883 | 45385 | omartinez | |
884 | for (SQLBuilder.SelectColumnBuilder column : sqlbuilder.select().getColumns()) {
|
||
885 | if(column.getTable()==null && column.getName()!=null) { |
||
886 | column.name(table, column.getName()); |
||
887 | } |
||
888 | } |
||
889 | 44750 | jjdelcerro | |
890 | } catch (Throwable th) { |
||
891 | 45385 | omartinez | LOGGER.warn("Can't replace FOREING_VALUE function.", th);
|
892 | 44750 | jjdelcerro | throw th;
|
893 | } finally {
|
||
894 | LOGGER.trace("Exit from replaceForeingValueFunction.");
|
||
895 | 44376 | jjdelcerro | } |
896 | 44750 | jjdelcerro | } |
897 | 43020 | jjdelcerro | } |