/**
* 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 org.apache.drill.exec.physical.impl.join;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.List;
import mockit.Injectable;
import mockit.NonStrictExpectations;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.common.util.FileUtils;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.memory.BufferAllocator;
import org.apache.drill.exec.ops.FragmentContext;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.physical.base.FragmentRoot;
import org.apache.drill.exec.physical.impl.ImplCreator;
import org.apache.drill.exec.physical.impl.SimpleRootExec;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.proto.CoordinationProtos;
import org.apache.drill.exec.proto.ExecProtos;
import org.apache.drill.exec.rpc.user.UserServer;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.store.StorageEngineRegistry;
import org.apache.drill.exec.vector.ValueVector;
import org.junit.AfterClass;
import org.junit.Test;
import com.beust.jcommander.internal.Lists;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import com.yammer.metrics.MetricRegistry;
public class TestMergeJoin {
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestMergeJoin.class);
DrillConfig c = DrillConfig.create();
@Test
public void simpleEqualityJoin(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/join/merge_join.json"), Charsets.UTF_8));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int totalRecordCount = 0;
while (exec.next()) {
totalRecordCount += exec.getRecordCount();
for (ValueVector v : exec)
System.out.print("[" + v.getField().getName() + "] ");
System.out.println("\n");
for (int valueIdx = 0; valueIdx < exec.getRecordCount(); valueIdx++) {
List<Object> row = new ArrayList();
for (ValueVector v : exec) {
row.add(v.getAccessor().getObject(valueIdx));
}
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell);
for (int i = 0; i < (14 - len); ++i)
System.out.print(" ");
}
System.out.println();
}
System.out.println();
}
assertEquals(100, totalRecordCount);
System.out.println("Total Record Count: " + totalRecordCount);
if (context.getFailureCause() != null)
throw context.getFailureCause();
assertTrue(!context.isFailed());
}
@Test
public void orderedEqualityLeftJoin(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
bitContext.getConfig(); result = c;
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(),CoordinationProtos.DrillbitEndpoint.getDefaultInstance(), new StorageEngineRegistry(bitContext));
PhysicalPlan plan = reader.readPhysicalPlan(
Files.toString(
FileUtils.getResourceAsFile("/join/merge_single_batch.json"), Charsets.UTF_8)
.replace("#{LEFT_FILE}", FileUtils.getResourceAsFile("/join/merge_single_batch.left.json").toURI().toString())
.replace("#{RIGHT_FILE}", FileUtils.getResourceAsFile("/join/merge_single_batch.right.json").toURI().toString()));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int totalRecordCount = 0;
while (exec.next()) {
totalRecordCount += exec.getRecordCount();
System.out.println("got next with record count: " + exec.getRecordCount() + " (total: " + totalRecordCount + "):");
System.out.println(" t1 t2");
for (int valueIdx = 0; valueIdx < exec.getRecordCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
for (ValueVector v : exec)
row.add(v.getField().getName() + ":" + v.getAccessor().getObject(valueIdx));
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (10 - len); ++i)
System.out.print(" ");
}
System.out.println();
}
}
System.out.println("Total Record Count: " + totalRecordCount);
assertEquals(25, totalRecordCount);
if (context.getFailureCause() != null)
throw context.getFailureCause();
assertTrue(!context.isFailed());
}
@Test
public void orderedEqualityInnerJoin(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
bitContext.getConfig(); result = c;
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(),CoordinationProtos.DrillbitEndpoint.getDefaultInstance(), new StorageEngineRegistry(bitContext));
PhysicalPlan plan = reader.readPhysicalPlan(
Files.toString(
FileUtils.getResourceAsFile("/join/merge_inner_single_batch.json"), Charsets.UTF_8)
.replace("#{LEFT_FILE}", FileUtils.getResourceAsFile("/join/merge_single_batch.left.json").toURI().toString())
.replace("#{RIGHT_FILE}", FileUtils.getResourceAsFile("/join/merge_single_batch.right.json").toURI().toString()));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int totalRecordCount = 0;
while (exec.next()) {
totalRecordCount += exec.getRecordCount();
System.out.println("got next with record count: " + exec.getRecordCount() + " (total: " + totalRecordCount + "):");
System.out.println(" t1 t2");
for (int valueIdx = 0; valueIdx < exec.getRecordCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
for (ValueVector v : exec)
row.add(v.getField().getName() + ":" + v.getAccessor().getObject(valueIdx));
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (10 - len); ++i)
System.out.print(" ");
}
System.out.println();
}
}
System.out.println("Total Record Count: " + totalRecordCount);
assertEquals(23, totalRecordCount);
if (context.getFailureCause() != null)
throw context.getFailureCause();
assertTrue(!context.isFailed());
}
@Test
public void orderedEqualityMultiBatchJoin(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
new NonStrictExpectations(){{
bitContext.getMetrics(); result = new MetricRegistry("test");
bitContext.getAllocator(); result = BufferAllocator.getAllocator(c);
bitContext.getConfig(); result = c;
}};
PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(),CoordinationProtos.DrillbitEndpoint.getDefaultInstance(), new StorageEngineRegistry(bitContext));
PhysicalPlan plan = reader.readPhysicalPlan(
Files.toString(
FileUtils.getResourceAsFile("/join/merge_multi_batch.json"), Charsets.UTF_8)
.replace("#{LEFT_FILE}", FileUtils.getResourceAsFile("/join/merge_multi_batch.left.json").toURI().toString())
.replace("#{RIGHT_FILE}", FileUtils.getResourceAsFile("/join/merge_multi_batch.right.json").toURI().toString()));
FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
FragmentContext context = new FragmentContext(bitContext, ExecProtos.FragmentHandle.getDefaultInstance(), connection, null, registry);
SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
int totalRecordCount = 0;
while (exec.next()) {
totalRecordCount += exec.getRecordCount();
System.out.println("got next with record count: " + exec.getRecordCount() + " (total: " + totalRecordCount + "):");
for (int valueIdx = 0; valueIdx < exec.getRecordCount(); valueIdx++) {
List<Object> row = Lists.newArrayList();
for (ValueVector v : exec)
row.add(v.getField().getName() + ":" + v.getAccessor().getObject(valueIdx));
for (Object cell : row) {
if (cell == null) {
System.out.print("<null> ");
continue;
}
int len = cell.toString().length();
System.out.print(cell + " ");
for (int i = 0; i < (10 - len); ++i)
System.out.print(" ");
}
System.out.println();
}
}
System.out.println("Total Record Count: " + totalRecordCount);
assertEquals(25, totalRecordCount);
if (context.getFailureCause() != null)
throw context.getFailureCause();
assertTrue(!context.isFailed());
}
@AfterClass
public static void tearDown() throws Exception{
// pause to get logger to catch up.
Thread.sleep(1000);
}
}