/**
* 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.tajo.engine.planner.physical;
import org.apache.hadoop.fs.Path;
import org.apache.tajo.LocalTajoTestingUtility;
import org.apache.tajo.TajoTestingCluster;
import org.apache.tajo.worker.TaskAttemptContext;
import org.apache.tajo.algebra.Expr;
import org.apache.tajo.catalog.*;
import org.apache.tajo.catalog.proto.CatalogProtos.StoreType;
import org.apache.tajo.common.TajoDataTypes.Type;
import org.apache.tajo.conf.TajoConf;
import org.apache.tajo.datum.Datum;
import org.apache.tajo.datum.DatumFactory;
import org.apache.tajo.engine.parser.SQLAnalyzer;
import org.apache.tajo.engine.planner.*;
import org.apache.tajo.engine.planner.enforce.Enforcer;
import org.apache.tajo.engine.planner.logical.LogicalNode;
import org.apache.tajo.storage.*;
import org.apache.tajo.util.CommonTestingUtil;
import org.junit.After;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.util.Random;
import static org.junit.Assert.assertTrue;
public class TestSortExec {
private static TajoConf conf;
private static final String TEST_PATH = "target/test-data/TestPhysicalPlanner";
private static CatalogService catalog;
private static SQLAnalyzer analyzer;
private static LogicalPlanner planner;
private static LogicalOptimizer optimizer;
private static AbstractStorageManager sm;
private static TajoTestingCluster util;
private static Path workDir;
private static Path tablePath;
private static TableMeta employeeMeta;
private static Random rnd = new Random(System.currentTimeMillis());
@BeforeClass
public static void setUp() throws Exception {
conf = new TajoConf();
util = new TajoTestingCluster();
catalog = util.startCatalogCluster().getCatalog();
workDir = CommonTestingUtil.getTestDir(TEST_PATH);
sm = StorageManagerFactory.getStorageManager(conf, workDir);
Schema schema = new Schema();
schema.addColumn("managerId", Type.INT4);
schema.addColumn("empId", Type.INT4);
schema.addColumn("deptName", Type.TEXT);
employeeMeta = CatalogUtil.newTableMeta(schema, StoreType.CSV);
tablePath = StorageUtil.concatPath(workDir, "employee", "table1");
sm.getFileSystem().mkdirs(tablePath.getParent());
Appender appender = StorageManagerFactory.getStorageManager(conf).getAppender(employeeMeta, tablePath);
appender.init();
Tuple tuple = new VTuple(employeeMeta.getSchema().getColumnNum());
for (int i = 0; i < 100; i++) {
tuple.put(new Datum[] {
DatumFactory.createInt4(rnd.nextInt(5)),
DatumFactory.createInt4(rnd.nextInt(10)),
DatumFactory.createText("dept_" + rnd.nextInt(10))});
appender.addTuple(tuple);
}
appender.flush();
appender.close();
TableDesc desc = new TableDescImpl("employee", employeeMeta, tablePath);
catalog.addTable(desc);
analyzer = new SQLAnalyzer();
planner = new LogicalPlanner(catalog);
optimizer = new LogicalOptimizer();
}
@After
public void tearDown() throws Exception {
util.shutdownCatalogCluster();
}
public static String[] QUERIES = {
"select managerId, empId, deptName from employee order by managerId, empId desc" };
@Test
public final void testNext() throws IOException, PlanningException {
Fragment [] frags = sm.splitNG(conf, "employee", employeeMeta, tablePath, Integer.MAX_VALUE);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/TestSortExec");
TaskAttemptContext ctx = new TaskAttemptContext(conf, LocalTajoTestingUtility
.newQueryUnitAttemptId(), new Fragment[] { frags[0] }, workDir);
ctx.setEnforcer(new Enforcer());
Expr context = analyzer.parse(QUERIES[0]);
LogicalPlan plan = planner.createPlan(context);
LogicalNode rootNode = optimizer.optimize(plan);
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf, sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, rootNode);
Tuple tuple;
Datum preVal = null;
Datum curVal;
exec.init();
while ((tuple = exec.next()) != null) {
curVal = tuple.get(0);
if (preVal != null) {
assertTrue(preVal.lessThanEqual(curVal).asBool());
}
preVal = curVal;
}
exec.close();
}
@Test
/**
* TODO - Now, in FSM branch, TestUniformRangePartition is ported to Java.
* So, this test is located in here.
* Later it should be moved TestUniformPartitions.
*/
public void testTAJO_946() {
Schema schema = new Schema();
schema.addColumn("l_orderkey", Type.INT8);
Tuple s = new VTuple(1);
s.put(0, DatumFactory.createInt8(0));
Tuple e = new VTuple(1);
e.put(0, DatumFactory.createInt8(6000000000l));
TupleRange expected = new TupleRange(schema, s, e);
RangePartitionAlgorithm partitioner
= new UniformRangePartition(schema, expected, true);
TupleRange [] ranges = partitioner.partition(967);
TupleRange prev = null;
for (TupleRange r : ranges) {
if (prev == null) {
prev = r;
} else {
assertTrue(prev.compareTo(r) < 0);
}
}
}
}