/*
* JBoss, Home of Professional Open Source.
* Copyright (C) 2009 Red Hat, Inc.
* Licensed to Red Hat, Inc. under one or more contributor
* license agreements. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.eval;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.teiid.adminapi.impl.ModelMetaData;
import org.teiid.deployers.VirtualDatabaseException;
import org.teiid.dqp.internal.datamgr.ConnectorManagerRepository.ConnectorManagerException;
import org.teiid.jdbc.AbstractQueryTest;
import org.teiid.metadata.MetadataFactory;
import org.teiid.metadata.Table;
import org.teiid.runtime.EmbeddedConfiguration;
import org.teiid.runtime.EmbeddedServer;
import org.teiid.runtime.HardCodedExecutionFactory;
import org.teiid.translator.TranslatorException;
@SuppressWarnings({"nls"})
public class TestSystemPerformance extends AbstractQueryTest {
private static final int TABLES = 2000;
private static final int COLS = 16;
EmbeddedServer es;
@Before public void setup() throws VirtualDatabaseException, ConnectorManagerException, TranslatorException {
es = new EmbeddedServer();
es.start(new EmbeddedConfiguration());
ModelMetaData mmm = new ModelMetaData();
mmm.setName("test");
mmm.setSchemaSourceType("native");
mmm.addSourceMapping("x", "hc", null);
HardCodedExecutionFactory hardCodedExecutionFactory = new HardCodedExecutionFactory() {
@Override
public void getMetadata(MetadataFactory metadataFactory, Object conn)
throws TranslatorException {
String[] colNames = new String[COLS];
for (int i = 0; i < colNames.length; i++) {
colNames[i] = "col" + i;
}
for (int i = 0; i < TABLES; i++) {
Table t = metadataFactory.addTable("x" + i);
for (int j = 0; j < COLS; j++) {
metadataFactory.addColumn(colNames[j], "string", t);
}
}
}
@Override
public boolean isSourceRequiredForMetadata() {
return false;
}
};
es.addTranslator("hc", hardCodedExecutionFactory);
es.deployVDB("test", mmm);
}
@After public void teardown() {
es.stop();
}
@Test public void testColumnPerformance() throws Exception {
Connection c = es.getDriver().connect("jdbc:teiid:test", null);
setConnection(c);
DatabaseMetaData metadata = c.getMetaData();
for (int i = 0; i < TABLES; i++) {
internalResultSet = metadata.getColumns(null, "test", "x" + i, null);
assertRowCount(COLS);
internalResultSet.close();
}
}
@Test public void testSQLXML() throws Exception {
Connection c = es.getDriver().connect("jdbc:teiid:test", null);
String sql = "select xmlelement(root, xmlelement(root1, xmlagg(x))) from (select xmlelement(x, tablename, xmlagg(xmlforest(name)), '\n') as x from sys.columns group by tablename) as y"; //$NON-NLS-1$
PreparedStatement s = c.prepareStatement(sql);
for (int i = 0; i < 100; i++) {
s.execute();
ResultSet rs = s.getResultSet();
rs.next();
rs.getString(1);
rs.close();
}
c.close();
}
}