com.hp.hpl.jena.sdb.layout2.index.FmtLayout2IndexH2 Maven / Gradle / Ivy

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/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package com.hp.hpl.jena.sdb.layout2.index;
/* H2 contribution from Martin HEIN (m#)/March 2008 */
import static com.hp.hpl.jena.sdb.sql.SQLUtils.sqlStr;

import java.sql.SQLException;

import com.hp.hpl.jena.sdb.layout2.TableDescNodes;
import com.hp.hpl.jena.sdb.layout2.TableDescQuads;
import com.hp.hpl.jena.sdb.layout2.TableDescTriples;
import com.hp.hpl.jena.sdb.layout2.hash.FmtLayout2HashH2;
import com.hp.hpl.jena.sdb.sql.SDBConnection;
import com.hp.hpl.jena.sdb.sql.SDBExceptionSQL;


public class FmtLayout2IndexH2 extends FmtLayout2HashH2
{
    public FmtLayout2IndexH2(SDBConnection connection)
    { 
        super(connection) ;
    }

    @Override
    protected void formatTableTriples()
    {
        dropTable(TableDescTriples.name()) ;
        try { 
            connection().exec(sqlStr(
                                 "CREATE TABLE "+TableDescTriples.name()+" (",
                                 "    s integer NOT NULL,",
                                 "    p integer NOT NULL,",
                                 "    o integer NOT NULL,",
                                 "    PRIMARY KEY (s, p, o)",
                                 ")"                
                    )) ;
        } catch (SQLException ex)
        { throw new SDBExceptionSQL("SQLException formatting table '"+TableDescTriples.name()+"'",ex) ; }
    }
    
    @Override
    protected void formatTableQuads()
    {
        dropTable(TableDescQuads.name()) ;
        try { 
            connection().exec(sqlStr(
                                 "CREATE TABLE "+TableDescQuads.name()+" (",
                                 "    g integer NOT NULL,",
                                 "    s integer NOT NULL,",
                                 "    p integer NOT NULL,",
                                 "    o integer NOT NULL,",
                                 "    PRIMARY KEY (g, s, p, o)",
                                 ")"                
                    )) ;
        } catch (SQLException ex)
        { throw new SDBExceptionSQL("SQLException formatting table '"+TableDescTriples.name()+"'",ex) ; }
    }
    
    @Override
    protected void formatTableNodes()
    {
        dropTable(TableDescNodes.name()) ;
        try { 
            connection().exec(sqlStr ("CREATE TABLE "+TableDescNodes.name()+" (",
                                       "   id SERIAL,",
                                       "   hash BIGINT NOT NULL,",
                                       "   lex CLOB NOT NULL,",
                                       "   lang varchar NOT NULL default '',",
                                       "   datatype varchar("+TableDescNodes.DatatypeUriLength+") NOT NULL default '',",
                                       "   type integer NOT NULL default '0',",
                                       "   PRIMARY KEY (id)",
                                       ")"
                    )) ;
            connection().exec("CREATE UNIQUE INDEX Hash ON " + TableDescNodes.name() + " (hash)");
        } catch (SQLException ex)
        {
            throw new SDBExceptionSQL("SQLException formatting table '"+TableDescNodes.name()+"'",ex) ;
        }
    }
}

/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */