svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCHelper.java @ 33950
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| 1 | 28784 | jmvivo | /* gvSIG. Geographic Information System of the Valencian Government
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| 2 | *
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| 3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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| 4 | * of the Valencian Government (CIT)
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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 2
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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 | */
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| 22 | |||
| 23 | /*
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| 24 | * AUTHORS (In addition to CIT):
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| 25 | * 2009 IVER T.I {{Task}}
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| 26 | */
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| 27 | |||
| 28 | /**
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| 29 | *
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| 30 | */
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| 31 | package org.gvsig.fmap.dal.store.jdbc; |
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| 32 | |||
| 33 | import java.sql.Connection; |
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| 34 | import java.sql.DatabaseMetaData; |
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| 35 | import java.sql.ResultSet; |
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| 36 | import java.sql.ResultSetMetaData; |
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| 37 | import java.sql.SQLException; |
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| 38 | import java.sql.Statement; |
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| 39 | import java.util.ArrayList; |
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| 40 | import java.util.Arrays; |
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| 41 | import java.util.List; |
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| 42 | |||
| 43 | import org.cresques.cts.IProjection; |
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| 44 | import org.gvsig.fmap.dal.DALLocator; |
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| 45 | import org.gvsig.fmap.dal.DataTypes; |
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| 46 | 28909 | jmvivo | import org.gvsig.fmap.dal.NewDataStoreParameters; |
| 47 | 28784 | jmvivo | import org.gvsig.fmap.dal.exception.CloseException; |
| 48 | import org.gvsig.fmap.dal.exception.DataException; |
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| 49 | import org.gvsig.fmap.dal.exception.InitializeException; |
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| 50 | import org.gvsig.fmap.dal.exception.OpenException; |
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| 51 | import org.gvsig.fmap.dal.exception.ReadException; |
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| 52 | import org.gvsig.fmap.dal.exception.WriteException; |
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| 53 | import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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| 54 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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| 55 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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| 56 | 28909 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureType; |
| 57 | 28784 | jmvivo | import org.gvsig.fmap.dal.feature.exception.UnsupportedDataTypeException; |
| 58 | 31022 | cordinyana | import org.gvsig.fmap.dal.resource.ResourceAction; |
| 59 | 28784 | jmvivo | import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
| 60 | 31022 | cordinyana | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
| 61 | 28784 | jmvivo | import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
| 62 | import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
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| 63 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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| 64 | 28785 | jmvivo | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
| 65 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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| 66 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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| 67 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCTransactionCommitException; |
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| 68 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCTransactionRollbackException; |
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| 69 | 28784 | jmvivo | import org.gvsig.fmap.geom.Geometry; |
| 70 | import org.gvsig.fmap.geom.GeometryLocator; |
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| 71 | import org.gvsig.fmap.geom.operation.fromwkb.FromWKB; |
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| 72 | import org.gvsig.fmap.geom.operation.fromwkb.FromWKBGeometryOperationContext; |
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| 73 | import org.gvsig.fmap.geom.operation.towkb.ToWKB; |
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| 74 | import org.gvsig.fmap.geom.operation.towkb.ToWKBOperationContext; |
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| 75 | import org.gvsig.fmap.geom.primitive.Envelope; |
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| 76 | 31284 | cordinyana | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
| 77 | 28784 | jmvivo | import org.gvsig.tools.exception.BaseException; |
| 78 | import org.slf4j.Logger; |
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| 79 | import org.slf4j.LoggerFactory; |
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| 80 | |||
| 81 | /**
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| 82 | * @author jmvivo
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| 83 | *
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| 84 | */
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| 85 | 31284 | cordinyana | public class JDBCHelper extends AbstractDisposable implements ResourceConsumer { |
| 86 | 28784 | jmvivo | |
| 87 | private static Logger logger = LoggerFactory.getLogger(JDBCHelper.class); |
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| 88 | |||
| 89 | protected JDBCHelperUser user;
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| 90 | protected boolean isOpen; |
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| 91 | protected String name; |
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| 92 | protected String defaultSchema; |
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| 93 | protected JDBCConnectionParameters params;
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| 94 | private JDBCResource resource;
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| 95 | |||
| 96 | protected FromWKB fromWKB = null; |
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| 97 | protected FromWKBGeometryOperationContext fromWKBContext = null; |
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| 98 | protected ToWKBOperationContext toWKBContext = new ToWKBOperationContext(); |
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| 99 | |||
| 100 | 28967 | jmvivo | private Boolean allowAutomaticValues = null; |
| 101 | private Boolean supportsUnions = null; |
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| 102 | 28948 | jmvivo | |
| 103 | 29123 | jmvivo | private String identifierQuoteString; |
| 104 | |||
| 105 | 28784 | jmvivo | protected JDBCHelper(JDBCHelperUser consumer,
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| 106 | JDBCConnectionParameters params) throws InitializeException {
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| 107 | |||
| 108 | this.user = consumer;
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| 109 | 33717 | jjdelcerro | this.name = user.getProviderName();
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| 110 | 28784 | jmvivo | this.params = params;
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| 111 | initializeResource(); |
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| 112 | |||
| 113 | } |
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| 114 | |||
| 115 | protected void initializeResource() throws InitializeException { |
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| 116 | ResourceManagerProviderServices manager = (ResourceManagerProviderServices) DALLocator |
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| 117 | .getResourceManager(); |
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| 118 | JDBCResource resource = (JDBCResource) manager |
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| 119 | 31022 | cordinyana | .createAddResource( |
| 120 | 28784 | jmvivo | JDBCResource.NAME, new Object[] { params.getUrl(), |
| 121 | params.getHost(), params.getPort(), params.getDBName(), |
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| 122 | params.getUser(), params.getPassword(), |
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| 123 | params.getJDBCDriverClassName() }); |
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| 124 | this.setResource(resource);
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| 125 | |||
| 126 | } |
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| 127 | |||
| 128 | protected final void setResource(JDBCResource resource) { |
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| 129 | this.resource = resource;
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| 130 | this.resource.addConsumer(this); |
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| 131 | } |
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| 132 | |||
| 133 | public boolean closeResourceRequested(ResourceProvider resource) { |
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| 134 | return user.closeResourceRequested(resource);
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| 135 | } |
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| 136 | |||
| 137 | public void resourceChanged(ResourceProvider resource) { |
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| 138 | user.resourceChanged(resource); |
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| 139 | |||
| 140 | } |
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| 141 | |||
| 142 | /**
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| 143 | * open the resource
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| 144 | *
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| 145 | * @return true if the resourse was open in this call
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| 146 | * @throws OpenException
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| 147 | */
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| 148 | public boolean open() throws OpenException { |
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| 149 | if (isOpen) {
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| 150 | return false; |
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| 151 | } |
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| 152 | 31022 | cordinyana | // try {
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| 153 | // begin();
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| 154 | // } catch (ResourceExecuteException e1) {
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| 155 | // throw new OpenException(name, e1);
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| 156 | // }
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| 157 | 28784 | jmvivo | try {
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| 158 | 31022 | cordinyana | getResource().execute(new ResourceAction() {
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| 159 | public Object run() throws Exception { |
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| 160 | getResource().connect(); |
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| 161 | getResource().notifyOpen(); |
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| 162 | 28784 | jmvivo | |
| 163 | 31022 | cordinyana | user.opendDone(); |
| 164 | 28784 | jmvivo | |
| 165 | 31022 | cordinyana | isOpen = true;
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| 166 | return null; |
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| 167 | } |
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| 168 | }); |
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| 169 | 28784 | jmvivo | return true; |
| 170 | 31022 | cordinyana | } catch (ResourceExecuteException e) {
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| 171 | 28784 | jmvivo | throw new OpenException(name, e); |
| 172 | 31022 | cordinyana | // } finally {
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| 173 | // end();
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| 174 | 28784 | jmvivo | } |
| 175 | |||
| 176 | } |
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| 177 | |||
| 178 | 31022 | cordinyana | public JDBCResource getResource() {
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| 179 | return resource;
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| 180 | } |
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| 181 | |||
| 182 | 28784 | jmvivo | public void close() throws CloseException { |
| 183 | if (!isOpen) {
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| 184 | return;
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| 185 | } |
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| 186 | 31022 | cordinyana | // try {
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| 187 | // begin();
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| 188 | // } catch (ResourceExecuteException e) {
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| 189 | // throw new CloseException(name, e);
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| 190 | // }
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| 191 | 28784 | jmvivo | try {
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| 192 | 31022 | cordinyana | getResource().execute(new ResourceAction() {
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| 193 | public Object run() throws Exception { |
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| 194 | isOpen = false;
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| 195 | 28784 | jmvivo | |
| 196 | 31022 | cordinyana | resource.notifyClose(); |
| 197 | user.closeDone(); |
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| 198 | return null; |
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| 199 | } |
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| 200 | }); |
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| 201 | } catch (ResourceExecuteException e) {
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| 202 | 28784 | jmvivo | throw new CloseException(this.name, e); |
| 203 | 31022 | cordinyana | // } finally {
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| 204 | // end();
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| 205 | 28784 | jmvivo | } |
| 206 | } |
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| 207 | |||
| 208 | 31022 | cordinyana | // public void end() {
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| 209 | // resource.end();
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| 210 | // }
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| 211 | //
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| 212 | // public void begin() throws ResourceExecuteException {
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| 213 | // this.resource.begin();
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| 214 | // }
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| 215 | 28784 | jmvivo | |
| 216 | public Connection getConnection() throws AccessResourceException { |
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| 217 | return resource.getJDBCConnection();
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| 218 | |||
| 219 | } |
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| 220 | |||
| 221 | 31284 | cordinyana | @Override
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| 222 | protected void doDispose() throws BaseException { |
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| 223 | 28784 | jmvivo | resource.removeConsumer(this);
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| 224 | } |
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| 225 | |||
| 226 | public boolean isOpen() { |
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| 227 | return isOpen;
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| 228 | } |
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| 229 | |||
| 230 | /**
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| 231 | * Executes an atomic action that uses an DB Connection.<br>
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| 232 | *
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| 233 | * This methos prepares a connection and close it at the end of execution of
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| 234 | * action.<br>
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| 235 | *
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| 236 | * if <code>action</code> is an instance of {@link TransactionalAction} the
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| 237 | * action will be execute inside of a DB transaction.
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| 238 | *
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| 239 | *
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| 240 | * @param action
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| 241 | * @throws Exception
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| 242 | */
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| 243 | 31022 | cordinyana | public Object doConnectionAction(final ConnectionAction action) |
| 244 | throws Exception { |
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| 245 | 28784 | jmvivo | this.open();
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| 246 | 31022 | cordinyana | // this.begin();
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| 247 | return getResource().execute(new ResourceAction() { |
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| 248 | public Object run() throws Exception { |
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| 249 | Object result = null; |
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| 250 | Connection conn = null; |
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| 251 | boolean beginTrans = false; |
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| 252 | try {
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| 253 | conn = getConnection(); |
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| 254 | if (action instanceof TransactionalAction) { |
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| 255 | // XXX OJO esta condicion NO ES FIABLE
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| 256 | if (!conn.getAutoCommit()) {
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| 257 | if (!((TransactionalAction) action)
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| 258 | .continueTransactionAllowed()) {
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| 259 | // FIXME exception
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| 260 | throw new Exception(); |
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| 261 | } |
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| 262 | } |
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| 263 | try {
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| 264 | conn.setAutoCommit(false);
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| 265 | } catch (SQLException e) { |
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| 266 | throw new JDBCSQLException(e); |
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| 267 | } |
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| 268 | beginTrans = true;
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| 269 | } |
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| 270 | 28784 | jmvivo | |
| 271 | 31022 | cordinyana | result = action.action(conn); |
| 272 | |||
| 273 | if (beginTrans) {
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| 274 | try {
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| 275 | conn.commit(); |
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| 276 | } catch (SQLException e) { |
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| 277 | throw new JDBCTransactionCommitException(e); |
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| 278 | } |
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| 279 | 28784 | jmvivo | } |
| 280 | |||
| 281 | 31022 | cordinyana | return result;
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| 282 | 28784 | jmvivo | |
| 283 | 31022 | cordinyana | } catch (Exception e) { |
| 284 | 28784 | jmvivo | |
| 285 | 31022 | cordinyana | if (beginTrans) {
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| 286 | try {
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| 287 | conn.rollback(); |
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| 288 | } catch (Exception e1) { |
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| 289 | throw new JDBCTransactionRollbackException(e1, e); |
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| 290 | } |
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| 291 | } |
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| 292 | throw e;
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| 293 | 28784 | jmvivo | |
| 294 | 31022 | cordinyana | } finally {
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| 295 | try {
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| 296 | conn.close(); |
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| 297 | } catch (Exception e1) { |
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| 298 | logger.error("Exception on close connection", e1);
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| 299 | } |
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| 300 | // this.end();
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| 301 | 28784 | jmvivo | } |
| 302 | } |
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| 303 | 31022 | cordinyana | }); |
| 304 | 28784 | jmvivo | |
| 305 | } |
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| 306 | |||
| 307 | protected String getDefaultSchema(Connection conn) throws JDBCException { |
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| 308 | return defaultSchema;
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| 309 | } |
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| 310 | |||
| 311 | protected EditableFeatureAttributeDescriptor createAttributeFromJDBC(
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| 312 | EditableFeatureType fType, Connection conn,
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| 313 | ResultSetMetaData rsMetadata, int colIndex) |
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| 314 | throws java.sql.SQLException {
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| 315 | |||
| 316 | EditableFeatureAttributeDescriptor column; |
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| 317 | switch (rsMetadata.getColumnType(colIndex)) {
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| 318 | case java.sql.Types.INTEGER:
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| 319 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 320 | DataTypes.INT); |
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| 321 | break;
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| 322 | case java.sql.Types.BIGINT:
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| 323 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 324 | DataTypes.LONG); |
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| 325 | break;
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| 326 | case java.sql.Types.REAL:
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| 327 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 328 | DataTypes.DOUBLE); |
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| 329 | break;
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| 330 | case java.sql.Types.DOUBLE:
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| 331 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 332 | DataTypes.DOUBLE); |
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| 333 | break;
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| 334 | case java.sql.Types.CHAR:
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| 335 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 336 | DataTypes.STRING); |
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| 337 | break;
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| 338 | case java.sql.Types.VARCHAR:
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| 339 | 28909 | jmvivo | case java.sql.Types.LONGVARCHAR:
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| 340 | 28784 | jmvivo | column = fType.add(rsMetadata.getColumnName(colIndex), |
| 341 | DataTypes.STRING); |
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| 342 | break;
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| 343 | case java.sql.Types.FLOAT:
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| 344 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 345 | DataTypes.FLOAT); |
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| 346 | break;
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| 347 | case java.sql.Types.DECIMAL:
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| 348 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 349 | DataTypes.FLOAT); |
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| 350 | break;
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| 351 | case java.sql.Types.DATE:
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| 352 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 353 | DataTypes.DATE); |
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| 354 | break;
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| 355 | case java.sql.Types.TIME:
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| 356 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 357 | DataTypes.TIME); |
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| 358 | break;
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| 359 | case java.sql.Types.TIMESTAMP:
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| 360 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 361 | DataTypes.TIMESTAMP); |
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| 362 | break;
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| 363 | case java.sql.Types.BOOLEAN:
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| 364 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 365 | DataTypes.BOOLEAN); |
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| 366 | break;
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| 367 | case java.sql.Types.BLOB:
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| 368 | 28909 | jmvivo | case java.sql.Types.BINARY:
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| 369 | case java.sql.Types.LONGVARBINARY:
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| 370 | 28784 | jmvivo | column = fType.add(rsMetadata.getColumnName(colIndex), |
| 371 | DataTypes.BYTEARRAY); |
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| 372 | break;
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| 373 | |||
| 374 | default:
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| 375 | column = fType.add(rsMetadata.getColumnName(colIndex), |
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| 376 | DataTypes.OBJECT); |
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| 377 | 28909 | jmvivo | column.setAdditionalInfo("SQLType", new Integer(rsMetadata |
| 378 | .getColumnType(colIndex))); |
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| 379 | column.setAdditionalInfo("SQLTypeName", rsMetadata
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| 380 | .getColumnTypeName(colIndex)); |
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| 381 | |||
| 382 | 28784 | jmvivo | break;
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| 383 | } |
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| 384 | |||
| 385 | return column;
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| 386 | |||
| 387 | } |
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| 388 | |||
| 389 | protected EditableFeatureAttributeDescriptor getAttributeFromJDBC(
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| 390 | EditableFeatureType fType, Connection conn,
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| 391 | ResultSetMetaData rsMetadata, int colIndex) throws JDBCException { |
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| 392 | EditableFeatureAttributeDescriptor column; |
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| 393 | try {
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| 394 | |||
| 395 | column = createAttributeFromJDBC(fType, conn, rsMetadata, colIndex); |
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| 396 | // column.setCaseSensitive(rsMetadata.isCaseSensitive(colIndex));
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| 397 | // column.setSqlType(rsMetadata.getColumnType(colIndex));
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| 398 | column.setAllowNull( |
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| 399 | rsMetadata.isNullable(colIndex) == ResultSetMetaData.columnNullable);
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| 400 | column.setIsAutomatic(rsMetadata.isAutoIncrement(colIndex)); |
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| 401 | column.setIsReadOnly(rsMetadata.isReadOnly(colIndex)); |
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| 402 | // column.setWritable(rsMetadata.isWritable(colIndex));
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| 403 | // column.setClassName(rsMetadata.getColumnClassName(colIndex));
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| 404 | // column.setCatalogName(rsMetadata.getCatalogName(colIndex));
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| 405 | // column.setDefinitelyWritable(rsMetadata
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| 406 | // .isDefinitelyWritable(colIndex));
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| 407 | // column.setLabel(rsMetadata.getColumnLabel(colIndex));
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| 408 | // column.setSchemaName(rsMetadata.getSchemaName(colIndex));
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| 409 | // column.setTableName(rsMetadata.getTableName(colIndex));
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| 410 | // column.setCatalogName(rsMetadata.getCatalogName(colIndex));
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| 411 | // column.setSqlTypeName();
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| 412 | // column.setSearchable(rsMetadata.isSearchable(colIndex));
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| 413 | // column.setSigned(rsMetadata.isSigned(colIndex));
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| 414 | // column.setCurrency(rsMetadata.isCurrency(colIndex));
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| 415 | column.setPrecision(rsMetadata.getPrecision(colIndex)); |
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| 416 | column.setSize(rsMetadata.getColumnDisplaySize(colIndex)); |
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| 417 | |||
| 418 | } catch (java.sql.SQLException e) {
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| 419 | throw new JDBCSQLException(e); |
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| 420 | } |
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| 421 | |||
| 422 | return column;
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| 423 | |||
| 424 | } |
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| 425 | |||
| 426 | /**
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| 427 | * Fill <code>featureType</code> geometry attributes with SRS and ShapeType
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| 428 | * information
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| 429 | *
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| 430 | * <b>Override this if provider has native eometry support</b>
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| 431 | *
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| 432 | * @param conn
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| 433 | * @param rsMetadata
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| 434 | * @param featureType
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| 435 | * @throws ReadException
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| 436 | */
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| 437 | protected void loadSRS_and_shapeType(Connection conn, |
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| 438 | ResultSetMetaData rsMetadata, EditableFeatureType featureType,
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| 439 | String baseSchema, String baseTable) throws JDBCException { |
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| 440 | |||
| 441 | // Nothing to do
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| 442 | |||
| 443 | } |
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| 444 | |||
| 445 | public void loadFeatureType(EditableFeatureType featureType, |
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| 446 | JDBCStoreParameters storeParams) throws DataException {
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| 447 | if (storeParams.getSQL() != null |
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| 448 | && storeParams.getSQL().trim().length() == 0) {
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| 449 | loadFeatureType(featureType, storeParams, storeParams.getSQL(), |
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| 450 | null, null); |
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| 451 | } else {
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| 452 | String sql = "Select * from " + storeParams.tableID() |
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| 453 | + " where false";
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| 454 | loadFeatureType(featureType, storeParams, sql, storeParams |
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| 455 | .getSchema(), storeParams.getTable()); |
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| 456 | } |
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| 457 | } |
||
| 458 | |||
| 459 | 31022 | cordinyana | public void loadFeatureType(final EditableFeatureType featureType, |
| 460 | final JDBCStoreParameters storeParams, final String sql, |
||
| 461 | final String schema, final String table) throws DataException { |
||
| 462 | 28784 | jmvivo | this.open();
|
| 463 | 31022 | cordinyana | // this.begin();
|
| 464 | getResource().execute(new ResourceAction() {
|
||
| 465 | public Object run() throws Exception { |
||
| 466 | Connection conn = null; |
||
| 467 | try {
|
||
| 468 | conn = getConnection(); |
||
| 469 | |||
| 470 | String[] pks = storeParams.getPkFields(); |
||
| 471 | if (pks == null || pks.length < 1) { |
||
| 472 | if (storeParams.getTable() != null |
||
| 473 | && storeParams.getTable().trim().length() > 0) {
|
||
| 474 | pks = getPksFrom(conn, storeParams); |
||
| 475 | |||
| 476 | } |
||
| 477 | } |
||
| 478 | |||
| 479 | loadFeatureType(conn, featureType, sql, pks, storeParams |
||
| 480 | 32880 | jjdelcerro | .getDefaultGeometryField(), schema, table); |
| 481 | 31022 | cordinyana | |
| 482 | } finally {
|
||
| 483 | try {
|
||
| 484 | conn.close(); |
||
| 485 | } catch (Exception e) { |
||
| 486 | } |
||
| 487 | // this.end();
|
||
| 488 | 28784 | jmvivo | } |
| 489 | 31022 | cordinyana | return null; |
| 490 | 28784 | jmvivo | } |
| 491 | 31022 | cordinyana | }); |
| 492 | 28784 | jmvivo | } |
| 493 | |||
| 494 | protected String[] getPksFrom(Connection conn, JDBCStoreParameters params) |
||
| 495 | throws JDBCException {
|
||
| 496 | try{
|
||
| 497 | DatabaseMetaData metadata = conn.getMetaData();
|
||
| 498 | ResultSet rsPrimaryKeys = null; |
||
| 499 | ResultSet rs = null; |
||
| 500 | String catalog = params.getCatalog();
|
||
| 501 | String schema = params.getSchema();
|
||
| 502 | 28909 | jmvivo | |
| 503 | 28784 | jmvivo | try{
|
| 504 | rs = metadata.getTables(catalog, |
||
| 505 | schema, params.getTable(), null);
|
||
| 506 | 28909 | jmvivo | |
| 507 | 28784 | jmvivo | if (!rs.next()) {
|
| 508 | // No tables found with default values, ignoring catalog
|
||
| 509 | rs.close(); |
||
| 510 | catalog = null;
|
||
| 511 | schema = null;
|
||
| 512 | rs = metadata |
||
| 513 | .getTables(catalog, schema, params.getTable(), null);
|
||
| 514 | |||
| 515 | if (!rs.next()) {
|
||
| 516 | // table not found
|
||
| 517 | return null; |
||
| 518 | } else if (rs.next()){ |
||
| 519 | // More that one, cant identify
|
||
| 520 | return null; |
||
| 521 | } |
||
| 522 | |||
| 523 | } else if (rs.next()) { |
||
| 524 | // More that one, cant identify
|
||
| 525 | return null; |
||
| 526 | } |
||
| 527 | rsPrimaryKeys = metadata.getPrimaryKeys(catalog, schema, params |
||
| 528 | .getTable()); |
||
| 529 | List pks = new ArrayList(); |
||
| 530 | while (rsPrimaryKeys.next()){
|
||
| 531 | pks.add(rsPrimaryKeys.getString("COLUMN_NAME"));
|
||
| 532 | } |
||
| 533 | return (String[]) pks.toArray(new String[pks.size()]); |
||
| 534 | |||
| 535 | 28909 | jmvivo | |
| 536 | 28784 | jmvivo | } finally {
|
| 537 | 28909 | jmvivo | try{if (rs != null) { |
| 538 | rs.close(); |
||
| 539 | }} catch (SQLException ex) {logger.warn("Exception closing tables rs", ex);}; |
||
| 540 | try{if (rsPrimaryKeys != null) { |
||
| 541 | rsPrimaryKeys.close(); |
||
| 542 | }} catch (SQLException ex) {logger.warn("Exception closing pk rs", ex);}; |
||
| 543 | 28784 | jmvivo | } |
| 544 | |||
| 545 | |||
| 546 | } catch (SQLException e) { |
||
| 547 | logger.warn("Unable to get pk from DatabaseMetada", e);
|
||
| 548 | return getPksFromInformationSchema(conn, params);
|
||
| 549 | } |
||
| 550 | |||
| 551 | } |
||
| 552 | |||
| 553 | protected String[] getPksFromInformationSchema(Connection conn, |
||
| 554 | JDBCStoreParameters params) |
||
| 555 | throws JDBCException {
|
||
| 556 | Statement st;
|
||
| 557 | StringBuffer sql = new StringBuffer(); |
||
| 558 | ResultSet rs;
|
||
| 559 | ArrayList list = new ArrayList(); |
||
| 560 | |||
| 561 | /*
|
||
| 562 | select column_name as primary_key
|
||
| 563 | from information_schema.table_constraints t_cons
|
||
| 564 | inner join information_schema.key_column_usage c on
|
||
| 565 | c.constraint_catalog = t_cons.table_catalog and
|
||
| 566 | c.table_schema = t_cons.table_schema and
|
||
| 567 | c.table_name = t_cons.table_name and
|
||
| 568 | c.constraint_name = t_cons.constraint_name
|
||
| 569 | where t_cons.table_schema = <schema>
|
||
| 570 | and t_cons.constraint_catalog = <catalog>
|
||
| 571 | and t_cons.table_name = <table>
|
||
| 572 | and constraint_type = 'PRIMARY KEY'
|
||
| 573 | */
|
||
| 574 | /*
|
||
| 575 | * SELECT column_name FROM INFORMATION_SCHEMA.constraint_column_usage
|
||
| 576 | * left join INFORMATION_SCHEMA.table_constraints on
|
||
| 577 | * (INFORMATION_SCHEMA.table_constraints.constraint_name =
|
||
| 578 | * INFORMATION_SCHEMA.constraint_column_usage.constraint_name and
|
||
| 579 | * INFORMATION_SCHEMA.table_constraints.table_name =
|
||
| 580 | * INFORMATION_SCHEMA.constraint_column_usage.table_name and
|
||
| 581 | * INFORMATION_SCHEMA.table_constraints.table_schema =
|
||
| 582 | * INFORMATION_SCHEMA.constraint_column_usage.table_schema) WHERE
|
||
| 583 | * INFORMATION_SCHEMA.constraint_column_usage.table_name like
|
||
| 584 | * 'muni10000_peq' AND
|
||
| 585 | * INFORMATION_SCHEMA.constraint_column_usage.table_schema like 'public'
|
||
| 586 | * AND INFORMATION_SCHEMA.constraint_column_usage.table_catalog like
|
||
| 587 | * 'gis' AND constraint_type='PRIMARY KEY'
|
||
| 588 | */
|
||
| 589 | |||
| 590 | sql.append("select column_name as primary_key ");
|
||
| 591 | sql.append("from information_schema.table_constraints t_cons ");
|
||
| 592 | sql.append("inner join information_schema.key_column_usage c on ");
|
||
| 593 | sql.append("c.constraint_catalog = t_cons.constraint_catalog and ");
|
||
| 594 | sql.append("c.table_schema = t_cons.table_schema and ");
|
||
| 595 | sql.append("c.table_name = t_cons.table_name and ");
|
||
| 596 | sql.append("c.constraint_name = t_cons.constraint_name ");
|
||
| 597 | sql.append("WHERE t_cons.table_name like '");
|
||
| 598 | |||
| 599 | sql.append(params.getTable()); |
||
| 600 | sql.append("' ");
|
||
| 601 | String schema = null; |
||
| 602 | |||
| 603 | |||
| 604 | if (params.getSchema() == null || params.getSchema() == "") { |
||
| 605 | schema = getDefaultSchema(conn); |
||
| 606 | } else {
|
||
| 607 | schema = params.getSchema(); |
||
| 608 | } |
||
| 609 | if (schema != null) { |
||
| 610 | sql.append(" and t_cons.table_schema like '");
|
||
| 611 | sql.append(schema); |
||
| 612 | sql.append("' ");
|
||
| 613 | } |
||
| 614 | |||
| 615 | if (params.getCatalog() != null && params.getCatalog() != "") { |
||
| 616 | sql |
||
| 617 | .append(" and t_cons.constraint_catalog like '");
|
||
| 618 | sql.append(params.getCatalog()); |
||
| 619 | sql.append("' ");
|
||
| 620 | } |
||
| 621 | |||
| 622 | sql.append("' and constraint_type = 'PRIMARY KEY'");
|
||
| 623 | |||
| 624 | // System.out.println(sql.toString());
|
||
| 625 | try {
|
||
| 626 | st = conn.createStatement(); |
||
| 627 | try {
|
||
| 628 | rs = st.executeQuery(sql.toString()); |
||
| 629 | } catch (java.sql.SQLException e) {
|
||
| 630 | throw new JDBCExecuteSQLException(sql.toString(), e); |
||
| 631 | } |
||
| 632 | while (rs.next()) {
|
||
| 633 | list.add(rs.getString(1));
|
||
| 634 | } |
||
| 635 | rs.close(); |
||
| 636 | st.close(); |
||
| 637 | |||
| 638 | } catch (java.sql.SQLException e) {
|
||
| 639 | throw new JDBCSQLException(e); |
||
| 640 | } |
||
| 641 | if (list.size() == 0) { |
||
| 642 | return null; |
||
| 643 | } |
||
| 644 | |||
| 645 | return (String[]) list.toArray(new String[0]); |
||
| 646 | |||
| 647 | } |
||
| 648 | |||
| 649 | protected void loadFeatureType(Connection conn, |
||
| 650 | EditableFeatureType featureType, String sql, String[] pks, |
||
| 651 | String defGeomName, String schema, String table) |
||
| 652 | throws DataException {
|
||
| 653 | |||
| 654 | Statement stAux = null; |
||
| 655 | ResultSet rs = null; |
||
| 656 | try {
|
||
| 657 | |||
| 658 | stAux = conn.createStatement(); |
||
| 659 | stAux.setFetchSize(1);
|
||
| 660 | |||
| 661 | try {
|
||
| 662 | rs = stAux.executeQuery(sql); |
||
| 663 | } catch (SQLException e) { |
||
| 664 | throw new JDBCExecuteSQLException(sql, e); |
||
| 665 | } |
||
| 666 | ResultSetMetaData rsMetadata = rs.getMetaData();
|
||
| 667 | |||
| 668 | List pksList = null; |
||
| 669 | if (pks != null) { |
||
| 670 | pksList = Arrays.asList(pks);
|
||
| 671 | |||
| 672 | } |
||
| 673 | |||
| 674 | int i;
|
||
| 675 | int geometriesColumns = 0; |
||
| 676 | String lastGeometry = null; |
||
| 677 | |||
| 678 | EditableFeatureAttributeDescriptor attr; |
||
| 679 | for (i = 1; i <= rsMetadata.getColumnCount(); i++) { |
||
| 680 | attr = getAttributeFromJDBC(featureType, conn, rsMetadata, i); |
||
| 681 | if (pksList != null && pksList.contains(attr.getName())) { |
||
| 682 | attr.setIsPrimaryKey(true);
|
||
| 683 | } |
||
| 684 | 33331 | jjdelcerro | if (attr.getType() == DataTypes.GEOMETRY) {
|
| 685 | 28784 | jmvivo | geometriesColumns++; |
| 686 | lastGeometry = attr.getName(); |
||
| 687 | if (lastGeometry.equals(defGeomName)) {
|
||
| 688 | featureType |
||
| 689 | .setDefaultGeometryAttributeName(defGeomName); |
||
| 690 | } |
||
| 691 | |||
| 692 | } |
||
| 693 | |||
| 694 | } |
||
| 695 | |||
| 696 | if (geometriesColumns > 0) { |
||
| 697 | loadSRS_and_shapeType(conn, rsMetadata, featureType, schema, |
||
| 698 | table); |
||
| 699 | } |
||
| 700 | |||
| 701 | if (defGeomName == null && geometriesColumns == 1) { |
||
| 702 | featureType.setDefaultGeometryAttributeName(lastGeometry); |
||
| 703 | defGeomName = lastGeometry; |
||
| 704 | } |
||
| 705 | |||
| 706 | } catch (java.sql.SQLException e) {
|
||
| 707 | throw new JDBCSQLException(e); // FIXME exception |
||
| 708 | } finally {
|
||
| 709 | try {
|
||
| 710 | rs.close(); |
||
| 711 | } catch (Exception e) { |
||
| 712 | } |
||
| 713 | try {
|
||
| 714 | stAux.close(); |
||
| 715 | } catch (Exception e) { |
||
| 716 | } |
||
| 717 | |||
| 718 | } |
||
| 719 | |||
| 720 | } |
||
| 721 | |||
| 722 | /**
|
||
| 723 | * Override if provider has geometry support
|
||
| 724 | *
|
||
| 725 | * @param storeParams
|
||
| 726 | * @param geometryAttrName
|
||
| 727 | * @param limit
|
||
| 728 | * @return
|
||
| 729 | * @throws DataException
|
||
| 730 | */
|
||
| 731 | public Envelope getFullEnvelopeOfField(JDBCStoreParameters storeParams,
|
||
| 732 | String geometryAttrName, Envelope limit) throws DataException { |
||
| 733 | |||
| 734 | // TODO
|
||
| 735 | return null; |
||
| 736 | |||
| 737 | } |
||
| 738 | |||
| 739 | protected void initializeFromWKBOperation() throws BaseException { |
||
| 740 | if (fromWKB == null) { |
||
| 741 | fromWKB = (FromWKB) GeometryLocator.getGeometryManager() |
||
| 742 | .getGeometryOperation(FromWKB.CODE, |
||
| 743 | Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM2D); |
||
| 744 | fromWKBContext = new FromWKBGeometryOperationContext();
|
||
| 745 | |||
| 746 | } |
||
| 747 | } |
||
| 748 | |||
| 749 | public Geometry getGeometry(byte[] buffer) throws BaseException { |
||
| 750 | if (buffer == null) { |
||
| 751 | return null; |
||
| 752 | } |
||
| 753 | initializeFromWKBOperation(); |
||
| 754 | Geometry geom; |
||
| 755 | try {
|
||
| 756 | fromWKBContext.setData(buffer); |
||
| 757 | |||
| 758 | geom = (Geometry) fromWKB.invoke(null, fromWKBContext);
|
||
| 759 | } finally {
|
||
| 760 | fromWKBContext.setData(null);
|
||
| 761 | } |
||
| 762 | return geom;
|
||
| 763 | } |
||
| 764 | |||
| 765 | public String escapeFieldName(String field) { |
||
| 766 | 29123 | jmvivo | if (field.matches("[a-z][a-z0-9_]*")) { |
| 767 | return field;
|
||
| 768 | } |
||
| 769 | String quote = getIdentifierQuoteString();
|
||
| 770 | return quote + field + quote;
|
||
| 771 | 28784 | jmvivo | } |
| 772 | |||
| 773 | public Object dalValueToJDBC( |
||
| 774 | FeatureAttributeDescriptor attributeDescriptor, Object object)
|
||
| 775 | throws WriteException {
|
||
| 776 | if (object == null) { |
||
| 777 | return null; |
||
| 778 | } |
||
| 779 | |||
| 780 | 33331 | jjdelcerro | if (attributeDescriptor.getType() != DataTypes.GEOMETRY) {
|
| 781 | 28784 | jmvivo | return object;
|
| 782 | } |
||
| 783 | try {
|
||
| 784 | Geometry geom = (Geometry) object; |
||
| 785 | |||
| 786 | toWKBContext.setSrID(-1);
|
||
| 787 | IProjection srs = attributeDescriptor.getSRS(); |
||
| 788 | if (srs != null) { |
||
| 789 | toWKBContext.setSrID(getProviderSRID(srs)); |
||
| 790 | } |
||
| 791 | |||
| 792 | // TODO optimize this
|
||
| 793 | // byte[] wkb = (byte[])
|
||
| 794 | // geom.invokeOperation(ToWKBNative.CODE,toWKBContext);
|
||
| 795 | byte[] wkb = (byte[]) geom.invokeOperation(ToWKB.CODE, |
||
| 796 | toWKBContext); |
||
| 797 | if (wkb == null) { |
||
| 798 | // FIXME excpetion
|
||
| 799 | throw new IllegalArgumentException(); |
||
| 800 | } |
||
| 801 | |||
| 802 | return wkb;
|
||
| 803 | } catch (Exception e) { |
||
| 804 | throw new WriteException(this.name, e); |
||
| 805 | } |
||
| 806 | } |
||
| 807 | |||
| 808 | public String getSqlColumnTypeDescription(FeatureAttributeDescriptor attr) { |
||
| 809 | 33331 | jjdelcerro | switch (attr.getType()) {
|
| 810 | 28784 | jmvivo | case DataTypes.STRING:
|
| 811 | if (attr.getSize() < 1 || attr.getSize() > 255) { |
||
| 812 | return "text"; |
||
| 813 | } else {
|
||
| 814 | return "varchar(" + attr.getSize() + ")"; |
||
| 815 | } |
||
| 816 | case DataTypes.BOOLEAN:
|
||
| 817 | return "bool"; |
||
| 818 | |||
| 819 | case DataTypes.BYTE:
|
||
| 820 | return "smallint"; |
||
| 821 | |||
| 822 | case DataTypes.DATE:
|
||
| 823 | return "date"; |
||
| 824 | |||
| 825 | case DataTypes.TIMESTAMP:
|
||
| 826 | return "timestamp"; |
||
| 827 | |||
| 828 | case DataTypes.TIME:
|
||
| 829 | return "time"; |
||
| 830 | |||
| 831 | case DataTypes.BYTEARRAY:
|
||
| 832 | 28948 | jmvivo | case DataTypes.GEOMETRY:
|
| 833 | 28784 | jmvivo | return "blob"; |
| 834 | |||
| 835 | case DataTypes.DOUBLE:
|
||
| 836 | 28909 | jmvivo | // if (attr.getPrecision() > 0) {
|
| 837 | // return "double precision(" + attr.getPrecision() + ')';
|
||
| 838 | // } else {
|
||
| 839 | return "double"; |
||
| 840 | // }
|
||
| 841 | 28784 | jmvivo | case DataTypes.FLOAT:
|
| 842 | return "real"; |
||
| 843 | |||
| 844 | case DataTypes.INT:
|
||
| 845 | 28948 | jmvivo | if (attr.isAutomatic() && allowAutomaticValues()) {
|
| 846 | 28784 | jmvivo | return "serial"; |
| 847 | } else {
|
||
| 848 | return "integer"; |
||
| 849 | } |
||
| 850 | case DataTypes.LONG:
|
||
| 851 | if (attr.isAutomatic()) {
|
||
| 852 | return "bigserial"; |
||
| 853 | } else {
|
||
| 854 | return "bigint"; |
||
| 855 | } |
||
| 856 | |||
| 857 | default:
|
||
| 858 | 28909 | jmvivo | String typeName = (String) attr.getAdditionalInfo("SQLTypeName"); |
| 859 | if (typeName != null) { |
||
| 860 | return typeName;
|
||
| 861 | } |
||
| 862 | |||
| 863 | 28784 | jmvivo | throw new UnsupportedDataTypeException(attr.getDataTypeName(), attr |
| 864 | 33331 | jjdelcerro | .getType()); |
| 865 | 28784 | jmvivo | } |
| 866 | } |
||
| 867 | |||
| 868 | public int getProviderSRID(String srs) { |
||
| 869 | return -1; |
||
| 870 | } |
||
| 871 | |||
| 872 | public int getProviderSRID(IProjection srs) { |
||
| 873 | return -1; |
||
| 874 | } |
||
| 875 | |||
| 876 | public String getSqlFieldName(FeatureAttributeDescriptor attribute) { |
||
| 877 | return escapeFieldName(attribute.getName());
|
||
| 878 | } |
||
| 879 | |||
| 880 | 28909 | jmvivo | public String getSqlFieldDescription(FeatureAttributeDescriptor attr) |
| 881 | throws DataException {
|
||
| 882 | 28784 | jmvivo | |
| 883 | /**
|
||
| 884 | * column_name data_type [ DEFAULT default_expr ] [ column_constraint [
|
||
| 885 | * ... ] ]
|
||
| 886 | *
|
||
| 887 | * where column_constraint is:
|
||
| 888 | *
|
||
| 889 | * [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE | PRIMARY
|
||
| 890 | * KEY | CHECK (expression) | REFERENCES reftable [ ( refcolumn ) ] [
|
||
| 891 | * MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON
|
||
| 892 | * UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY
|
||
| 893 | * DEFERRED | INITIALLY IMMEDIATE ]
|
||
| 894 | */
|
||
| 895 | |||
| 896 | 28909 | jmvivo | StringBuilder strb = new StringBuilder(); |
| 897 | 28784 | jmvivo | // name
|
| 898 | 28909 | jmvivo | strb.append(escapeFieldName(attr.getName())); |
| 899 | 28784 | jmvivo | strb.append(" ");
|
| 900 | |||
| 901 | // Type
|
||
| 902 | strb.append(this.getSqlColumnTypeDescription(attr));
|
||
| 903 | strb.append(" ");
|
||
| 904 | |||
| 905 | 28909 | jmvivo | boolean allowNull = attr.allowNull()
|
| 906 | && !(attr.isPrimaryKey() || attr.isAutomatic()); |
||
| 907 | 28784 | jmvivo | // Default
|
| 908 | if (attr.getDefaultValue() == null) { |
||
| 909 | 28909 | jmvivo | if (allowNull) {
|
| 910 | 28784 | jmvivo | strb.append("DEFAULT NULL ");
|
| 911 | } |
||
| 912 | } else {
|
||
| 913 | 28909 | jmvivo | String value = getDefaltFieldValueString(attr);
|
| 914 | 28784 | jmvivo | strb.append("DEFAULT '");
|
| 915 | strb.append(value); |
||
| 916 | strb.append("' ");
|
||
| 917 | } |
||
| 918 | |||
| 919 | // Null
|
||
| 920 | 28909 | jmvivo | if (allowNull) {
|
| 921 | strb.append("NULL ");
|
||
| 922 | } else {
|
||
| 923 | 28784 | jmvivo | strb.append("NOT NULL ");
|
| 924 | } |
||
| 925 | |||
| 926 | // Primery key
|
||
| 927 | if (attr.isPrimaryKey()) {
|
||
| 928 | strb.append("PRIMARY KEY ");
|
||
| 929 | } |
||
| 930 | 28909 | jmvivo | return strb.toString();
|
| 931 | 28784 | jmvivo | } |
| 932 | |||
| 933 | 28909 | jmvivo | protected String getDefaltFieldValueString(FeatureAttributeDescriptor attr) |
| 934 | throws WriteException {
|
||
| 935 | return dalValueToJDBC(attr, attr.getDefaultValue()).toString();
|
||
| 936 | } |
||
| 937 | |||
| 938 | 28784 | jmvivo | public String compoundLimitAndOffset(long limit, long offset) { |
| 939 | StringBuilder sql = new StringBuilder(); |
||
| 940 | // limit
|
||
| 941 | 31128 | cordinyana | if (limit > 0) { |
| 942 | 28784 | jmvivo | sql.append(" limit ");
|
| 943 | sql.append(limit); |
||
| 944 | sql.append(' ');
|
||
| 945 | } |
||
| 946 | |||
| 947 | // offset
|
||
| 948 | 31128 | cordinyana | if (offset > 0) { |
| 949 | 28784 | jmvivo | sql.append(" offset ");
|
| 950 | sql.append(offset); |
||
| 951 | sql.append(' ');
|
||
| 952 | } |
||
| 953 | return sql.toString();
|
||
| 954 | } |
||
| 955 | |||
| 956 | public boolean supportOffset() { |
||
| 957 | return true; |
||
| 958 | } |
||
| 959 | |||
| 960 | 28909 | jmvivo | public List getAdditionalSqlToCreate(NewDataStoreParameters ndsp, |
| 961 | FeatureType fType) {
|
||
| 962 | // TODO Auto-generated method stub
|
||
| 963 | return null; |
||
| 964 | } |
||
| 965 | |||
| 966 | |||
| 967 | public String stringJoin(List listToJoin,String sep){ |
||
| 968 | StringBuilder strb = new StringBuilder(); |
||
| 969 | stringJoin(listToJoin,sep,strb); |
||
| 970 | return strb.toString();
|
||
| 971 | } |
||
| 972 | |||
| 973 | public void stringJoin(List listToJoin, String sep, StringBuilder strb) { |
||
| 974 | if (listToJoin.size() < 1) { |
||
| 975 | return;
|
||
| 976 | } |
||
| 977 | if (listToJoin.size() > 1) { |
||
| 978 | for (int i = 0; i < listToJoin.size() - 1; i++) { |
||
| 979 | strb.append(listToJoin.get(i)); |
||
| 980 | strb.append(sep); |
||
| 981 | } |
||
| 982 | } |
||
| 983 | strb.append(listToJoin.get(listToJoin.size() - 1));
|
||
| 984 | } |
||
| 985 | 33196 | cordinyana | |
| 986 | 28909 | jmvivo | /**
|
| 987 | * Inform that provider has supports for geometry store and operations
|
||
| 988 | * natively
|
||
| 989 | *
|
||
| 990 | * @return
|
||
| 991 | */
|
||
| 992 | 33196 | cordinyana | protected boolean supportsGeometry() { |
| 993 | 28909 | jmvivo | return false; |
| 994 | } |
||
| 995 | 28948 | jmvivo | |
| 996 | public boolean allowAutomaticValues() { |
||
| 997 | if (allowAutomaticValues == null) { |
||
| 998 | ConnectionAction action = new ConnectionAction(){
|
||
| 999 | |||
| 1000 | public Object action(Connection conn) throws DataException { |
||
| 1001 | |||
| 1002 | ResultSet rs;
|
||
| 1003 | try {
|
||
| 1004 | DatabaseMetaData meta = conn.getMetaData();
|
||
| 1005 | rs = meta.getTypeInfo(); |
||
| 1006 | try{
|
||
| 1007 | while (rs.next()) {
|
||
| 1008 | if (rs.getInt("DATA_TYPE") == java.sql.Types.INTEGER) { |
||
| 1009 | if (rs.getBoolean("AUTO_INCREMENT")) { |
||
| 1010 | return Boolean.TRUE; |
||
| 1011 | } else {
|
||
| 1012 | return Boolean.FALSE; |
||
| 1013 | } |
||
| 1014 | } |
||
| 1015 | } |
||
| 1016 | }finally{
|
||
| 1017 | try{ rs.close();} catch (SQLException ex) {logger.error("Exception closing resulset", ex);}; |
||
| 1018 | } |
||
| 1019 | } catch (SQLException e) { |
||
| 1020 | throw new JDBCSQLException(e); |
||
| 1021 | } |
||
| 1022 | return Boolean.FALSE; |
||
| 1023 | } |
||
| 1024 | |||
| 1025 | }; |
||
| 1026 | |||
| 1027 | |||
| 1028 | |||
| 1029 | try {
|
||
| 1030 | allowAutomaticValues = (Boolean) doConnectionAction(action);
|
||
| 1031 | } catch (Exception e) { |
||
| 1032 | logger.error("Exception checking for automatic integers", e);
|
||
| 1033 | allowAutomaticValues = Boolean.FALSE;
|
||
| 1034 | } |
||
| 1035 | } |
||
| 1036 | return allowAutomaticValues.booleanValue();
|
||
| 1037 | } |
||
| 1038 | 28967 | jmvivo | |
| 1039 | public boolean supportsUnion() { |
||
| 1040 | if (supportsUnions == null) { |
||
| 1041 | ConnectionAction action = new ConnectionAction() {
|
||
| 1042 | |||
| 1043 | public Object action(Connection conn) throws DataException { |
||
| 1044 | |||
| 1045 | try {
|
||
| 1046 | DatabaseMetaData meta = conn.getMetaData();
|
||
| 1047 | return new Boolean(meta.supportsUnion()); |
||
| 1048 | } catch (SQLException e) { |
||
| 1049 | throw new JDBCSQLException(e); |
||
| 1050 | } |
||
| 1051 | } |
||
| 1052 | |||
| 1053 | }; |
||
| 1054 | |||
| 1055 | try {
|
||
| 1056 | supportsUnions = (Boolean) doConnectionAction(action);
|
||
| 1057 | } catch (Exception e) { |
||
| 1058 | logger.error("Exception checking for unions support", e);
|
||
| 1059 | supportsUnions = Boolean.FALSE;
|
||
| 1060 | } |
||
| 1061 | } |
||
| 1062 | return supportsUnions.booleanValue();
|
||
| 1063 | } |
||
| 1064 | 29123 | jmvivo | |
| 1065 | protected String getIdentifierQuoteString() { |
||
| 1066 | if (identifierQuoteString == null) { |
||
| 1067 | ConnectionAction action = new ConnectionAction() {
|
||
| 1068 | |||
| 1069 | public Object action(Connection conn) throws DataException { |
||
| 1070 | |||
| 1071 | try {
|
||
| 1072 | DatabaseMetaData meta = conn.getMetaData();
|
||
| 1073 | return meta.getIdentifierQuoteString();
|
||
| 1074 | } catch (SQLException e) { |
||
| 1075 | throw new JDBCSQLException(e); |
||
| 1076 | } |
||
| 1077 | } |
||
| 1078 | |||
| 1079 | }; |
||
| 1080 | |||
| 1081 | try {
|
||
| 1082 | identifierQuoteString = (String) doConnectionAction(action);
|
||
| 1083 | } catch (Exception e) { |
||
| 1084 | logger.error("Exception checking for unions support", e);
|
||
| 1085 | identifierQuoteString = " ";
|
||
| 1086 | } |
||
| 1087 | } |
||
| 1088 | return identifierQuoteString;
|
||
| 1089 | } |
||
| 1090 | |||
| 1091 | protected boolean isReservedWord(String field) { |
||
| 1092 | // TODO
|
||
| 1093 | return false; |
||
| 1094 | } |
||
| 1095 | |||
| 1096 | 28784 | jmvivo | } |