/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* 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.sql.visitor;
import java.util.Collection;
import java.util.Iterator;
import org.teiid.core.TeiidException;
import org.teiid.query.parser.QueryParser;
import org.teiid.query.sql.LanguageObject;
import org.teiid.query.sql.symbol.GroupSymbol;
import org.teiid.query.sql.visitor.GroupCollectorVisitor;
import junit.framework.TestCase;
public class TestDeepGroupCollectorVisitor extends TestCase {
public TestDeepGroupCollectorVisitor(String name) {
super(name);
}
public void helpTestVisitor(String sql, String[] expectedGroups) {
LanguageObject obj = null;
try {
QueryParser parser = new QueryParser();
obj = parser.parseCommand(sql);
} catch(TeiidException e) {
fail("Unexpected exception while parsing: " + e.getFullMessage()); //$NON-NLS-1$
}
Collection actualGroups = GroupCollectorVisitor.getGroupsIgnoreInlineViews(obj, false);
assertEquals("Did not get expected number of groups", expectedGroups.length, actualGroups.size()); //$NON-NLS-1$
Iterator iter = actualGroups.iterator();
for(int i=0; iter.hasNext(); i++) {
GroupSymbol group = (GroupSymbol) iter.next();
assertTrue("Expected group did not match, expected=" + expectedGroups[i] + ", actual=" + group, //$NON-NLS-1$ //$NON-NLS-2$
group.getName().equalsIgnoreCase(expectedGroups[i]));
}
}
public void testQuery1() {
helpTestVisitor("SELECT * FROM pm1.g1", //$NON-NLS-1$
new String[] { "pm1.g1" }); //$NON-NLS-1$
}
public void testSubquery1() {
helpTestVisitor("SELECT * FROM (SELECT * FROM pm1.g1) AS x", //$NON-NLS-1$
new String[] { "pm1.g1" }); //$NON-NLS-1$
}
public void testSubquery2() {
helpTestVisitor("SELECT * FROM (SELECT * FROM pm1.g1) AS x, pm1.g2", //$NON-NLS-1$
new String[] { "pm1.g1", "pm1.g2"}); //$NON-NLS-1$ //$NON-NLS-2$
}
public void testSubquery3() {
helpTestVisitor("SELECT * FROM pm1.g2 WHERE e1 IN (SELECT * FROM pm1.g1)", //$NON-NLS-1$
new String[] { "pm1.g2", "pm1.g1"}); //$NON-NLS-1$ //$NON-NLS-2$
}
public void testSubquery4() {
helpTestVisitor("SELECT * FROM pm1.g2 WHERE e1 IN (SELECT * FROM pm1.g1, (SELECT * FROM pm1.g3) AS x)", //$NON-NLS-1$
new String[] { "pm1.g2", "pm1.g1", "pm1.g3" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
public void testExec1() {
helpTestVisitor("EXEC pm1.sq1()", //$NON-NLS-1$
new String[] { "pm1.sq1" }); //$NON-NLS-1$
}
public void testSubqueryExec1() {
helpTestVisitor("SELECT * FROM (EXEC pm1.sq1()) AS x", //$NON-NLS-1$
new String[] { "pm1.sq1" }); //$NON-NLS-1$
}
public void testUnionInSubquery() {
helpTestVisitor("SELECT x.intkey FROM (SELECT intkey FROM BQT1.SmallA UNION SELECT intkey FROM BQT1.SmallB) AS x", //$NON-NLS-1$
new String[] { "BQT1.SmallA", "BQT1.SmallB"} ); //$NON-NLS-1$ //$NON-NLS-2$
}
public void testUnionOfSubquery() {
helpTestVisitor("SELECT x.intkey FROM (SELECT intkey FROM BQT1.SmallA) AS x UNION SELECT intkey FROM BQT1.SmallB", //$NON-NLS-1$
new String[] { "BQT1.SmallA", "BQT1.SmallB"} ); //$NON-NLS-1$ //$NON-NLS-2$
}
public void testSubqueryInCriteria() {
helpTestVisitor("SELECT * FROM BQT1.SmallA WHERE intkey IN (SELECT intkey FROM BQT1.SmallB)", //$NON-NLS-1$
new String[] { "BQT1.SmallA", "BQT1.SmallB"} ); //$NON-NLS-1$ //$NON-NLS-2$
}
public void testUnionSubqueryInCriteria() {
helpTestVisitor("SELECT * FROM BQT1.SmallA WHERE intkey IN (SELECT intkey FROM BQT1.SmallB UNION SELECT intkey FROM BQT2.SmallA)", //$NON-NLS-1$
new String[] { "BQT1.SmallA", "BQT1.SmallB", "BQT2.SmallA" } ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}