001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.core.persistence.dialect;
021    
022    import org.apache.commons.lang.StringUtils;
023    import org.hibernate.dialect.PostgreSQLDialect;
024    
025    import java.sql.Types;
026    
027    /**
028     * @since 1.12
029     */
030    public class PostgreSql implements Dialect {
031    
032      public static final String ID = "postgresql";
033    
034      public String getId() {
035        return ID;
036      }
037    
038      public String getActiveRecordDialectCode() {
039        return "postgre";
040      }
041    
042      public String getActiveRecordJdbcAdapter() {
043        return "jdbc";
044      }
045    
046      public Class<? extends org.hibernate.dialect.Dialect> getHibernateDialectClass() {
047        return PostgreSQLWithDecimalDialect.class;
048      }
049    
050      public boolean matchesJdbcURL(String jdbcConnectionURL) {
051        return StringUtils.startsWithIgnoreCase(jdbcConnectionURL, "jdbc:postgresql:");
052      }
053    
054      public static class PostgreSQLWithDecimalDialect extends PostgreSQLDialect {
055        public PostgreSQLWithDecimalDialect() {
056          super();
057          registerColumnType(Types.DOUBLE, "numeric($p,$s)");
058        }
059    
060        @Override
061        public Class getNativeIdentifierGeneratorClass() {
062          return PostgreSQLSequenceGenerator.class;
063        }
064      }
065    
066      public String getDefaultDriverClassName() {
067        return "org.postgresql.Driver";
068      }
069    
070      public String getConnectionInitStatement(String schema) {
071        if (StringUtils.isNotBlank(schema)) {
072          return "SET SEARCH_PATH TO " + schema;
073        }
074        return null;
075      }
076    
077      public String getTrueSqlValue() {
078        return "true";
079      }
080    
081      public String getFalseSqlValue() {
082        return "false";
083      }
084    }