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* regarding copyright ownership. Some portions may be licensed
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*
* 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
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package org.teiid.query.processor.relational;
import static org.junit.Assert.*;
import java.util.Arrays;
import org.junit.Test;
import org.teiid.common.buffer.BufferManager;
import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.query.parser.QueryParser;
import org.teiid.query.processor.FakeDataManager;
import org.teiid.query.processor.TestProcessor;
import org.teiid.query.resolver.TestResolver;
import org.teiid.query.sql.lang.Command;
import org.teiid.query.sql.lang.CompoundCriteria;
import org.teiid.query.sql.lang.IsNullCriteria;
import org.teiid.query.sql.lang.Query;
import org.teiid.query.sql.lang.SetClauseList;
import org.teiid.query.sql.lang.Update;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.sql.symbol.GroupSymbol;
import org.teiid.query.unittest.FakeMetadataFactory;
import org.teiid.query.util.CommandContext;
/**
* @since 4.2
*/
public class TestAccessNode {
private void helpTestOpen(Command command, String expectedCommand, boolean shouldRegisterRequest) throws Exception {
// Setup
AccessNode node = new AccessNode(1);
node.setCommand(command);
CommandContext context = new CommandContext();
context.setProcessorID("processorID"); //$NON-NLS-1$
BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
FakeDataManager dataManager = new FakeDataManager();
TestProcessor.sampleData1(dataManager);
node.setElements(command.getProjectedSymbols());
node.initialize(context, bm, dataManager);
node.setShouldEvaluateExpressions(true);
// Call open()
node.open();
if (shouldRegisterRequest) {
assertEquals(Arrays.asList(expectedCommand), dataManager.getQueries());
} else {
assertEquals(0, dataManager.getQueries().size());
}
}
@Test public void testOpen_Defect16059() throws Exception {
Query query = (Query)TestResolver.helpResolve("SELECT e1, e2 FROM pm1.g1 WHERE e2 = 5 AND ? IS NULL", FakeMetadataFactory.example1Cached()); //$NON-NLS-1$
IsNullCriteria nullCrit = (IsNullCriteria)((CompoundCriteria)query.getCriteria()).getCriteria(1);
nullCrit.setExpression(new Constant(null));
helpTestOpen(query, "SELECT e1, e2 FROM pm1.g1 WHERE e2 = 5", true); //$NON-NLS-1$
}
@Test public void testOpen_Defect16059_2() throws Exception {
Query query = (Query)TestResolver.helpResolve("SELECT e1, e2 FROM pm1.g1 WHERE e2 = 5 AND ? IS NOT NULL", FakeMetadataFactory.example1Cached()); //$NON-NLS-1$
IsNullCriteria nullCrit = (IsNullCriteria)((CompoundCriteria)query.getCriteria()).getCriteria(1);
nullCrit.setExpression(new Constant(null));
helpTestOpen(query, null, false);
}
@Test public void testExecCount()throws Exception{
// Setup
AccessNode node = new AccessNode(1);
Query query = (Query)TestResolver.helpResolve("SELECT e1, e2 FROM pm1.g1 WHERE e2 = 5", FakeMetadataFactory.example1Cached()); //$NON-NLS-1$
node.setCommand(query);
CommandContext context = new CommandContext();
context.setProcessorID("processorID"); //$NON-NLS-1$
BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
FakeDataManager dataManager = new FakeDataManager();
TestProcessor.sampleData1(dataManager);
node.setElements(query.getProjectedSymbols());
node.initialize(context, bm, dataManager);
// Call open()
node.open();
assertEquals(Arrays.asList("SELECT e1, e2 FROM pm1.g1 WHERE e2 = 5"), dataManager.getQueries()); //$NON-NLS-1$
}
@Test public void testShouldExecuteUpdate() throws Exception {
Update update = new Update();
update.setGroup(new GroupSymbol("test")); //$NON-NLS-1$
update.addChange(new ElementSymbol("e1"), new Constant("1")); //$NON-NLS-1$ //$NON-NLS-2$
assertTrue(RelationalNodeUtil.shouldExecute(update, false));
update.setChangeList(new SetClauseList());
assertFalse(RelationalNodeUtil.shouldExecute(update, false));
}
@Test public void testShouldExecuteLimitZero() throws Exception {
Query query = (Query)QueryParser.getQueryParser().parseCommand("SELECT e1, e2 FROM pm1.g1 LIMIT 0"); //$NON-NLS-1$
assertFalse(RelationalNodeUtil.shouldExecute(query, false));
}
}