/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.sdb.layout2.index;
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.FmtLayout2HashDerby;
import com.hp.hpl.jena.sdb.sql.SDBConnection;
import com.hp.hpl.jena.sdb.sql.SDBExceptionSQL;
public class FmtLayout2IndexDerby extends FmtLayout2HashDerby
{
public FmtLayout2IndexDerby(SDBConnection connection)
{
super(connection) ;
}
@Override
protected void formatTableTriples()
{
// TODO Generalize : return a template
TableDescTriples desc = new TableDescTriples() ;
dropTable(desc.getTableName()) ;
try {
String x = sqlStr(
"CREATE TABLE %s (",
" %2$s int NOT NULL,",
" %3$s int NOT NULL,",
" %4$s int NOT NULL,",
" PRIMARY KEY (%2$s, %3$s, %4$s)",
")") ;
x = String.format(x, desc.getTableName(),
desc.getSubjectColName(),
desc.getPredicateColName(),
desc.getObjectColName()) ;
connection().exec(sqlStr(
"CREATE TABLE "+desc.getTableName()+" (",
" s int NOT NULL,",
" p int NOT NULL,",
" o int NOT NULL,",
" PRIMARY KEY (s, p, o)",
")"
)) ;
} catch (SQLException ex)
{ throw new SDBExceptionSQL("SQLException formatting table '"+TableDescTriples.name()+"'",ex) ; }
}
@Override
protected void formatTableQuads()
{
TableDescQuads desc = new TableDescQuads() ;
dropTable(desc.getTableName()) ;
try {
String x = sqlStr(
"CREATE TABLE %s (",
" %2$s int NOT NULL,",
" %3$s int NOT NULL,",
" %4$s int NOT NULL,",
" %5$s int NOT NULL,",
" PRIMARY KEY (%2$s, %3$s, %4$s, %5$s)",
")") ;
x = String.format(x, desc.getTableName(),
desc.getGraphColName(),
desc.getSubjectColName(),
desc.getPredicateColName(),
desc.getObjectColName()) ;
connection().exec(sqlStr(
"CREATE TABLE "+desc.getTableName()+" (",
" g int NOT NULL,",
" s int NOT NULL,",
" p int NOT NULL,",
" o int 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 int generated always as identity ,",
" hash BIGINT NOT NULL ,",
" lex CLOB NOT NULL ,",
" lang LONG VARCHAR NOT NULL ,",
" datatype varchar("+TableDescNodes.DatatypeUriLength+") NOT NULL ,",
" type integer NOT NULL ,",
" 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) ;
}
}
}