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Posted to commits@pig.apache.org by rd...@apache.org on 2010/06/18 00:05:21 UTC
svn commit: r955763 [4/4] - in /hadoop/pig/trunk: CHANGES.txt
test/org/apache/pig/test/TestMultiQuery.java
test/org/apache/pig/test/TestMultiQueryBasic.java
test/org/apache/pig/test/TestMultiQueryCompiler.java
Added: hadoop/pig/trunk/test/org/apache/pig/test/TestMultiQueryCompiler.java
URL: http://svn.apache.org/viewvc/hadoop/pig/trunk/test/org/apache/pig/test/TestMultiQueryCompiler.java?rev=955763&view=auto
==============================================================================
--- hadoop/pig/trunk/test/org/apache/pig/test/TestMultiQueryCompiler.java (added)
+++ hadoop/pig/trunk/test/org/apache/pig/test/TestMultiQueryCompiler.java Thu Jun 17 22:05:21 2010
@@ -0,0 +1,1526 @@
+/*
+ * 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.pig.test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringReader;
+import java.util.ArrayList;
+import java.util.Collections;
+
+import junit.framework.Assert;
+
+import org.apache.pig.ExecType;
+import org.apache.pig.PigException;
+import org.apache.pig.PigServer;
+import org.apache.pig.backend.executionengine.util.ExecTools;
+import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher;
+import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper;
+import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.MROperPlan;
+import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator;
+import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan;
+import org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit;
+import org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore;
+import org.apache.pig.impl.PigContext;
+import org.apache.pig.impl.io.FileLocalizer;
+import org.apache.pig.impl.logicalLayer.LogicalPlan;
+import org.apache.pig.impl.plan.Operator;
+import org.apache.pig.impl.plan.OperatorPlan;
+import org.apache.pig.impl.util.LogUtils;
+import org.apache.pig.tools.grunt.GruntParser;
+import org.apache.pig.tools.pigscript.parser.ParseException;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+@RunWith(JUnit4.class)
+public class TestMultiQueryCompiler {
+
+ private static MiniCluster cluster;
+
+ private PigServer myPig;
+
+ @BeforeClass
+ public static void setUpBeforeClass() throws IOException {
+ cluster = MiniCluster.buildCluster();
+ Util.copyFromLocalToCluster(cluster,
+ "test/org/apache/pig/test/data/passwd", "passwd");
+ Util.copyFromLocalToCluster(cluster,
+ "test/org/apache/pig/test/data/passwd2", "passwd2");
+ }
+
+ @AfterClass
+ public static void tearDownAfterClass() throws IOException {
+ Util.deleteFile(cluster, "passwd");
+ Util.deleteFile(cluster, "passwd2");
+ cluster.shutDown();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ cluster.setProperty("opt.multiquery", ""+true);
+ myPig = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
+ deleteOutputFiles();
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ myPig = null;
+ }
+
+ @Test
+ public void testMultiQueryJiraPig1438() {
+
+ // test case: merge multiple distinct jobs -- one group by job, one distinct job
+
+ String INPUT_FILE = "abc";
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("A = load '" + INPUT_FILE + "' as (col1:int, col2:int, col3:int);");
+ myPig.registerQuery("B1 = foreach A generate col1, col2;");
+ myPig.registerQuery("B2 = foreach A generate col2, col3;");
+ myPig.registerQuery("C1 = distinct B1;");
+ myPig.registerQuery("C2 = group B2 by (col2, col3);");
+ myPig.registerQuery("D1 = foreach C1 generate col1, col2;");
+ myPig.registerQuery("D2 = foreach C2 generate B2.col2, B2.col3;");
+ myPig.registerQuery("store D1 into '/tmp/output1';");
+ myPig.registerQuery("store D2 into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 13);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 15);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryJiraPig1060() {
+
+ // test case:
+
+ String INPUT_FILE = "pig-1060.txt";
+
+ try {
+
+ PrintWriter w = new PrintWriter(new FileWriter(INPUT_FILE));
+ w.println("apple\t2");
+ w.println("apple\t12");
+ w.println("orange\t3");
+ w.println("orange\t23");
+ w.println("strawberry\t10");
+ w.println("strawberry\t34");
+
+ w.close();
+
+ Util.copyFromLocalToCluster(cluster, INPUT_FILE, INPUT_FILE);
+
+ myPig.setBatchOn();
+
+ myPig.registerQuery("data = load '" + INPUT_FILE +
+ "' as (name:chararray, gid:int);");
+ myPig.registerQuery("f1 = filter data by gid < 5;");
+ myPig.registerQuery("g1 = group f1 by name;");
+ myPig.registerQuery("p1 = foreach g1 generate group, COUNT(f1.gid);");
+ myPig.registerQuery("store p1 into '/tmp/output1';");
+
+ myPig.registerQuery("f2 = filter data by gid > 5;");
+ myPig.registerQuery("g2 = group f2 by name;");
+ myPig.registerQuery("p2 = foreach g2 generate group, COUNT(f2.gid);");
+ myPig.registerQuery("store p2 into '/tmp/output2';");
+
+ myPig.registerQuery("f3 = filter f2 by gid > 10;");
+ myPig.registerQuery("g3 = group f3 by name;");
+ myPig.registerQuery("p3 = foreach g3 generate group, COUNT(f3.gid);");
+ myPig.registerQuery("store p3 into '/tmp/output3';");
+
+ myPig.registerQuery("f4 = filter f3 by gid < 20;");
+ myPig.registerQuery("g4 = group f4 by name;");
+ myPig.registerQuery("p4 = foreach g4 generate group, COUNT(f4.gid);");
+ myPig.registerQuery("store p4 into '/tmp/output4';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 4, 27);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 4, 35);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ } finally {
+ new File(INPUT_FILE).delete();
+ try {
+ Util.deleteFile(cluster, INPUT_FILE);
+ } catch (IOException e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+ }
+
+ @Test
+ public void testMultiQueryJiraPig920() {
+
+ // test case: a simple diamond query
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by gid >= 5;");
+ myPig.registerQuery("d = cogroup c by $0, b by $0;");
+ myPig.registerQuery("e = foreach d generate group, COUNT(c), COUNT(b);");
+ myPig.registerQuery("store e into '/tmp/output1';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 1, 10);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 1, 13);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryJiraPig920_1() {
+
+ // test case: a query with two diamonds
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by gid >= 5;");
+ myPig.registerQuery("d = filter a by uid >= 5;");
+ myPig.registerQuery("e = filter a by gid < 5;");
+ myPig.registerQuery("f = cogroup c by $0, b by $0;");
+ myPig.registerQuery("f1 = foreach f generate group, COUNT(c), COUNT(b);");
+ myPig.registerQuery("store f1 into '/tmp/output1';");
+ myPig.registerQuery("g = cogroup d by $0, e by $0;");
+ myPig.registerQuery("g1 = foreach g generate group, COUNT(d), COUNT(e);");
+ myPig.registerQuery("store g1 into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 17);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 23);
+
+ checkMRPlan(pp, 2, 2, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithDemoCase() {
+
+ System.out.println("===== multi-query with demo case 2 =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = foreach a generate uname, uid, gid;");
+ myPig.registerQuery("c = filter b by uid < 5;");
+ myPig.registerQuery("d = filter c by gid >= 5;");
+ myPig.registerQuery("store d into '/tmp/output1';");
+ myPig.registerQuery("e = filter b by uid >= 5;");
+ myPig.registerQuery("store e into '/tmp/output2';");
+ myPig.registerQuery("f = filter c by gid < 5;");
+ myPig.registerQuery("g = group f by uname;");
+ myPig.registerQuery("h = foreach g generate group, COUNT(f.uid);");
+ myPig.registerQuery("store h into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 18);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 20);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSingleMapReduceSplittee() {
+
+ System.out.println("===== multi-query with single map reduce splittee =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname, passwd, uid, gid);");
+ myPig.registerQuery("b = foreach a generate uname, uid, gid;");
+ myPig.registerQuery("split b into c1 if uid > 5, c2 if uid <= 5 ;");
+ myPig.registerQuery("f = group c2 by uname;");
+ myPig.registerQuery("f1 = foreach f generate group, SUM(c2.gid);");
+ myPig.registerQuery("store f1 into '/tmp/output1';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 1, 6);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 1, 9);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryPhase3BaseCase() {
+
+ System.out.println("===== multi-query phase 3 base case =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5 and uid < 10;");
+ myPig.registerQuery("d = filter a by uid >= 10;");
+ myPig.registerQuery("b1 = group b by gid;");
+ myPig.registerQuery("b2 = foreach b1 generate group, COUNT(b.uid);");
+ myPig.registerQuery("b3 = filter b2 by $1 > 5;");
+ myPig.registerQuery("store b3 into '/tmp/output1';");
+ myPig.registerQuery("c1 = group c by gid;");
+ myPig.registerQuery("c2 = foreach c1 generate group, SUM(c.uid);");
+ myPig.registerQuery("store c2 into '/tmp/output2';");
+ myPig.registerQuery("d1 = group d by gid;");
+ myPig.registerQuery("d2 = foreach d1 generate group, AVG(d.uid);");
+ myPig.registerQuery("store d2 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 25);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryJiraPig983() {
+
+ System.out.println("===== multi-query Jira Pig-983 =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5;");
+ myPig.registerQuery("d = join b by uname, c by uname;");
+ myPig.registerQuery("e = group d by b::gid;");
+ myPig.registerQuery("e1 = foreach e generate group, COUNT(d.b::uid);");
+ myPig.registerQuery("store e1 into '/tmp/output1';");
+ myPig.registerQuery("f = group d by c::gid;");
+ myPig.registerQuery("f1 = foreach f generate group, SUM(d.c::uid);");
+ myPig.registerQuery("store f1 into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 17);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 25);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryPhase3WithoutCombiner() {
+
+ System.out.println("===== multi-query phase 3 without combiner =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5 and uid < 10;");
+ myPig.registerQuery("d = filter a by uid >= 10;");
+ myPig.registerQuery("b1 = group b by gid;");
+ myPig.registerQuery("b2 = foreach b1 generate group, COUNT(b.uid) + SUM(b.uid);");
+ myPig.registerQuery("b3 = filter b2 by $1 > 5;");
+ myPig.registerQuery("store b3 into '/tmp/output1';");
+ myPig.registerQuery("c1 = group c by gid;");
+ myPig.registerQuery("c2 = foreach c1 generate group, SUM(c.uid) - COUNT(c.uid);");
+ myPig.registerQuery("store c2 into '/tmp/output2';");
+ myPig.registerQuery("d1 = group d by gid;");
+ myPig.registerQuery("d2 = foreach d1 generate group, MAX(d.uid) - MIN(d.uid);");
+ myPig.registerQuery("store d2 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 25);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryPhase3WithMixedCombiner() {
+
+ System.out.println("===== multi-query phase 3 with mixed combiner =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5 and uid < 10;");
+ myPig.registerQuery("d = filter a by uid >= 10;");
+ myPig.registerQuery("b1 = group b by gid;");
+ myPig.registerQuery("b2 = foreach b1 generate group, COUNT(b.uid);");
+ myPig.registerQuery("b3 = filter b2 by $1 > 5;");
+ myPig.registerQuery("store b3 into '/tmp/output1';");
+ myPig.registerQuery("c1 = group c by gid;");
+ myPig.registerQuery("c2 = foreach c1 generate group, SUM(c.uid);");
+ myPig.registerQuery("store c2 into '/tmp/output2';");
+ myPig.registerQuery("d1 = group d by gid;");
+ myPig.registerQuery("d2 = foreach d1 generate group, MAX(d.uid) - MIN(d.uid);");
+ myPig.registerQuery("store d2 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 25);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryPhase3WithDifferentMapDataTypes() {
+
+ System.out.println("===== multi-query phase 3 with different map datatypes =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5 and uid < 10;");
+ myPig.registerQuery("d = filter a by uid >= 10;");
+ myPig.registerQuery("b1 = group b by gid parallel 2;");
+ myPig.registerQuery("b2 = foreach b1 generate group, COUNT(b.uid);");
+ myPig.registerQuery("b3 = filter b2 by $1 > 5;");
+ myPig.registerQuery("store b3 into '/tmp/output1';");
+ myPig.registerQuery("c1 = group c by $1 parallel 3;");
+ myPig.registerQuery("c2 = foreach c1 generate group, SUM(c.uid);");
+ myPig.registerQuery("store c2 into '/tmp/output2';");
+ myPig.registerQuery("d1 = group d by $1 parallel 4;");
+ myPig.registerQuery("d2 = foreach d1 generate group, COUNT(d.uid);");
+ myPig.registerQuery("store d2 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 25);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryPhase3StreamingInReducer() {
+
+ System.out.println("===== multi-query phase 3 with streaming in reducer =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("A = load 'passwd';");
+ myPig.registerQuery("Split A into A1 if $2 > 5, A2 if $2 >= 5;");
+ myPig.registerQuery("Split A1 into A3 if $0 > 'm', A4 if $0 >= 'm';");
+ myPig.registerQuery("B = group A3 by $2;");
+ myPig.registerQuery("C = foreach B generate flatten(A3);");
+ myPig.registerQuery("D = stream B through `cat`;");
+ myPig.registerQuery("store D into '/tmp/output1';");
+ myPig.registerQuery("E = group A4 by $2;");
+ myPig.registerQuery("F = foreach E generate group, COUNT(A4);");
+ myPig.registerQuery("store F into '/tmp/output2';");
+ myPig.registerQuery("G = group A1 by $2;");
+ myPig.registerQuery("H = foreach G generate group, COUNT(A1);");
+ myPig.registerQuery("store H into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 16);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 24);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithPigMixL12() {
+
+ System.out.println("===== multi-query with PigMix L12 =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname, passwd, uid, gid);");
+ myPig.registerQuery("b = foreach a generate uname, passwd, uid, gid;");
+ myPig.registerQuery("split b into c1 if uid > 5, c2 if uid <= 5 ;");
+ myPig.registerQuery("split c1 into d1 if gid < 5, d2 if gid >= 5;");
+ myPig.registerQuery("e = group d1 by uname;");
+ myPig.registerQuery("e1 = foreach e generate group, MAX(d1.uid);");
+ myPig.registerQuery("store e1 into '/tmp/output1';");
+ myPig.registerQuery("f = group c2 by uname;");
+ myPig.registerQuery("f1 = foreach f generate group, SUM(c2.gid);");
+ myPig.registerQuery("store f1 into '/tmp/output2';");
+ myPig.registerQuery("g = group d2 by uname;");
+ myPig.registerQuery("g1 = foreach g generate group, COUNT(d2);");
+ myPig.registerQuery("store g1 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 15);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 23);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithCoGroup() {
+
+ System.out.println("===== multi-query with CoGroup =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname, passwd, uid, gid);");
+ myPig.registerQuery("store a into '/tmp/output1' using BinStorage();");
+ myPig.registerQuery("b = load '/tmp/output1' using BinStorage() as (uname, passwd, uid, gid);");
+ myPig.registerQuery("c = load 'passwd2' " +
+ "using PigStorage(':') as (uname, passwd, uid, gid);");
+ myPig.registerQuery("d = cogroup b by (uname, uid) inner, c by (uname, uid) inner;");
+ myPig.registerQuery("e = foreach d generate flatten(b), flatten(c);");
+ myPig.registerQuery("store e into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(2, 1, 7);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 2, 1, 10);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithFJ() {
+
+ System.out.println("===== multi-query with FJ =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("c = filter a by uid > 5;");
+ myPig.registerQuery("store c into '/tmp/output1';");
+ myPig.registerQuery("d = filter b by gid > 10;");
+ myPig.registerQuery("store d into '/tmp/output2';");
+ myPig.registerQuery("e = join c by gid, d by gid using \"repl\";");
+ myPig.registerQuery("store e into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(2, 3, 16);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 2, 3, 16);
+
+ checkMRPlan(pp, 2, 1, 3);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithExplicitSplitAndSideFiles() {
+
+ System.out.println("===== multi-query with explicit split and side files =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("split a into b if uid > 500, c if uid <= 500;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("store c into '/tmp/output2';");
+ myPig.registerQuery("e = cogroup b by gid, c by gid;");
+ myPig.registerQuery("d = foreach e generate flatten(c), flatten(b);");
+ myPig.registerQuery("store d into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 15);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 19);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithExplicitSplitAndOrderByAndSideFiles() {
+
+ System.out.println("===== multi-query with explicit split, orderby and side files =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("split a into a1 if uid > 500, a2 if gid > 500;");
+ myPig.registerQuery("b1 = distinct a1;");
+ myPig.registerQuery("b2 = order a2 by uname;");
+ myPig.registerQuery("store b1 into '/tmp/output1';");
+ myPig.registerQuery("store b2 into '/tmp/output2';");
+ myPig.registerQuery("c = cogroup b1 by uname, b2 by uname;");
+ myPig.registerQuery("d = foreach c generate flatten(group), flatten($1), flatten($2);");
+ myPig.registerQuery("store d into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 17);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 21);
+
+ checkMRPlan(pp, 1, 1, 4);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithIntermediateStores() {
+
+ System.out.println("===== multi-query with intermediate stores =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("store a into '/tmp/output1';");
+ myPig.registerQuery("b = load '/tmp/output1' using PigStorage(':'); ");
+ myPig.registerQuery("store b into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 1, 5);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 1, 5);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithImplicitSplitAndSideFiles() {
+
+ System.out.println("===== multi-query with implicit split and side files =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid > 500;");
+ myPig.registerQuery("c = filter a by gid > 500;");
+ myPig.registerQuery("store c into '/tmp/output1';");
+ myPig.registerQuery("d = cogroup b by uname, c by uname;");
+ myPig.registerQuery("e = foreach d generate flatten(c), flatten(b);");
+ myPig.registerQuery("store e into '/tmp/output2';");
+ myPig.registerQuery("f = filter e by b::uid < 1000;");
+ myPig.registerQuery("store f into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 22);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithTwoLoadsAndTwoStores() {
+
+ System.out.println("===== multi-query with two loads and two stores =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = load 'passwd2' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("c = filter a by uid > 5;");
+ myPig.registerQuery("d = filter b by uid > 10;");
+ myPig.registerQuery("e = cogroup c by uid, d by uid;");
+ myPig.registerQuery("f = foreach e generate flatten(c), flatten(d);");
+ myPig.registerQuery("g = group f by d::gid;");
+ myPig.registerQuery("h = filter f by c::gid > 5;");
+ myPig.registerQuery("store g into '/tmp/output1';");
+ myPig.registerQuery("store h into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(2, 2, 15);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 2, 2, 20);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSplitInReduce() {
+
+ System.out.println("===== multi-query with split in reduce =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("c = group b by gid;");
+ myPig.registerQuery("d = foreach c generate group, COUNT(b.uid);");
+ myPig.registerQuery("store d into '/tmp/output1';");
+ myPig.registerQuery("e = filter d by $1 > 5;");
+ myPig.registerQuery("store e into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 11);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 13);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSplitInReduceAndReduceSplitee() {
+
+ System.out.println("===== multi-query with split in reduce and reduce splitee =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("c = group b by gid;");
+ myPig.registerQuery("d = foreach c generate group, COUNT(b.uid);");
+ myPig.registerQuery("store d into '/tmp/output1';");
+ myPig.registerQuery("e = filter d by $1 > 5;");
+ myPig.registerQuery("f = group e by $1;");
+ myPig.registerQuery("g = foreach f generate group, SUM(e.$0);");
+ myPig.registerQuery("store g into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 13);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 17);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSplitInReduceAndReduceSplitees() {
+
+ System.out.println("===== multi-query with split in reduce and reduce splitees =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("c = group b by gid;");
+ myPig.registerQuery("d = foreach c generate group, COUNT(b.uid);");
+ myPig.registerQuery("e = filter d by $1 > 5;");
+ myPig.registerQuery("e1 = group e by $1;");
+ myPig.registerQuery("e2 = foreach e1 generate group, SUM(e.$0);");
+ myPig.registerQuery("store e2 into '/tmp/output1';");
+ myPig.registerQuery("f = filter d by $1 < 5;");
+ myPig.registerQuery("f1 = group f by $1;");
+ myPig.registerQuery("f2 = foreach f1 generate group, COUNT(f.$0);");
+ myPig.registerQuery("store f2 into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 16);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 22);
+
+ checkMRPlan(pp, 1, 1, 2);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSplitInReduceAndReduceSpliteesAndMore() {
+
+ System.out.println("===== multi-query with split in reduce and reduce splitees and more =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid > 500;");
+ myPig.registerQuery("c = group b by gid;");
+ myPig.registerQuery("d = foreach c generate group, COUNT(b.uid);");
+ myPig.registerQuery("e = filter d by $1 > 5;");
+ myPig.registerQuery("e1 = group e by $1;");
+ myPig.registerQuery("e2 = foreach e1 generate group, SUM(e.$0);");
+ myPig.registerQuery("e3 = filter e2 by $1 > 10;");
+ myPig.registerQuery("e4 = group e3 by $1;");
+ myPig.registerQuery("e5 = foreach e4 generate group, SUM(e3.$0);");
+ myPig.registerQuery("store e5 into '/tmp/output1';");
+ myPig.registerQuery("f = filter d by $1 < 5;");
+ myPig.registerQuery("f1 = group f by $1;");
+ myPig.registerQuery("f2 = foreach f1 generate group, COUNT(f.$0);");
+ myPig.registerQuery("f3 = filter f2 by $1 < 100;");
+ myPig.registerQuery("f4 = group f3 by $1;");
+ myPig.registerQuery("f5 = foreach f4 generate group, COUNT(f3.$0);");
+ myPig.registerQuery("store f5 into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 22);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 32);
+
+ checkMRPlan(pp, 1, 2, 4);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithSplitInMapAndReduceSplitees() {
+
+ System.out.println("===== multi-query with split in map and reduce splitees =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int, gid:int);");
+ myPig.registerQuery("b = filter a by uid < 5;");
+ myPig.registerQuery("c = filter a by uid >= 5 and uid < 10;");
+ myPig.registerQuery("d = filter a by uid >= 10;");
+ myPig.registerQuery("b1 = group b by gid;");
+ myPig.registerQuery("b2 = foreach b1 generate group, COUNT(b.uid);");
+ myPig.registerQuery("b3 = filter b2 by $1 > 5;");
+ myPig.registerQuery("store b3 into '/tmp/output1';");
+ myPig.registerQuery("c1 = group c by $1;");
+ myPig.registerQuery("c2 = foreach c1 generate group, SUM(c.uid);");
+ myPig.registerQuery("store c2 into '/tmp/output2';");
+ myPig.registerQuery("d1 = group d by $1;");
+ myPig.registerQuery("d2 = foreach d1 generate group, COUNT(d.uid);");
+ myPig.registerQuery("store d2 into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 19);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 25);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithTwoStores() {
+
+ System.out.println("===== multi-query with 2 stores =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("c = group b by gid;");
+ myPig.registerQuery("store c into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 9);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 11);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithThreeStores() {
+
+ System.out.println("===== multi-query with 3 stores =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("c = filter b by uid > 10;");
+ myPig.registerQuery("store c into '/tmp/output2';");
+ myPig.registerQuery("d = filter c by uid > 15;");
+ myPig.registerQuery("store d into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 14);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 14);
+
+ checkMRPlan(pp, 1, 1, 1);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithTwoLoads() {
+
+ System.out.println("===== multi-query with two loads =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = load 'passwd2' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("c = filter a by uid > 5;");
+ myPig.registerQuery("d = filter b by uid > 10;");
+ myPig.registerQuery("store c into '/tmp/output1';");
+ myPig.registerQuery("store d into '/tmp/output2';");
+ myPig.registerQuery("e = cogroup c by uid, d by uid;");
+ myPig.registerQuery("store e into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(2, 3, 16);
+
+ PhysicalPlan pp = checkPhysicalPlan(lp, 2, 3, 19);
+
+ checkMRPlan(pp, 2, 1, 3);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testStoreOrder() {
+ System.out.println("===== multi-query store order =====");
+
+ try {
+ myPig.setBatchOn();
+ myPig.registerQuery("a = load 'passwd';");
+ myPig.registerQuery("store a into '/tmp/output1' using BinStorage();");
+ myPig.registerQuery("a = load '/tmp/output1';");
+ myPig.registerQuery("store a into '/tmp/output2';");
+ myPig.registerQuery("a = load '/tmp/output1';");
+ myPig.registerQuery("store a into '/tmp/output3';");
+ myPig.registerQuery("a = load '/tmp/output2' using BinStorage();");
+ myPig.registerQuery("store a into '/tmp/output4';");
+ myPig.registerQuery("a = load '/tmp/output2';");
+ myPig.registerQuery("b = load '/tmp/output1';");
+ myPig.registerQuery("c = cogroup a by $0, b by $0;");
+ myPig.registerQuery("store c into '/tmp/output5';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 12);
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 15);
+ MROperPlan mp = checkMRPlan(pp, 1, 3, 5);
+
+ myPig.executeBatch();
+ myPig.discardBatch();
+
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output1"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output2"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output3"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output4"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output5"));
+
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testUnnecessaryStoreRemoval() {
+ System.out.println("===== multi-query unnecessary stores =====");
+
+ try {
+ myPig.setBatchOn();
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = group a by uname;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("store b into '/tmp/output2';");
+ myPig.registerQuery("c = load '/tmp/output1';");
+ myPig.registerQuery("d = group c by $0;");
+ myPig.registerQuery("e = store d into '/tmp/output3';");
+ myPig.registerQuery("f = load '/tmp/output2';");
+ myPig.registerQuery("g = group f by $0;");
+ myPig.registerQuery("store g into '/tmp/output4';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 2, 14);
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 2, 20);
+ MROperPlan mp = checkMRPlan(pp, 1, 2, 3);
+
+ MapReduceOper mo1 = mp.getRoots().get(0);
+ MapReduceOper mo2 = mp.getLeaves().get(0);
+ MapReduceOper mo3 = mp.getLeaves().get(1);
+
+ checkPhysicalPlan(mo1.mapPlan, 1, 1, 3);
+ checkPhysicalPlan(mo1.reducePlan, 1, 1, 2);
+ PhysicalOperator leaf = mo1.reducePlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POSplit);
+
+ POSplit split = (POSplit)leaf;
+
+ int i = 0;
+ for (PhysicalPlan p: split.getPlans()) {
+ checkPhysicalPlan(p, 1, 1, 1);
+ ++i;
+ }
+
+ Assert.assertEquals(i,2);
+
+ checkPhysicalPlan(mo2.mapPlan, 1, 1, 2);
+ checkPhysicalPlan(mo2.reducePlan, 1, 1, 2);
+ leaf = mo2.reducePlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POStore);
+
+ checkPhysicalPlan(mo3.mapPlan, 1, 1, 2);
+ checkPhysicalPlan(mo3.reducePlan, 1, 1, 2);
+ leaf = mo3.reducePlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POStore);
+
+ myPig.executeBatch();
+ myPig.discardBatch();
+
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output1"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output2"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output3"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output4"));
+
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testUnnecessaryStoreRemovalCollapseSplit() {
+ System.out.println("===== multi-query unnecessary stores collapse split =====");
+
+ try {
+ myPig.setBatchOn();
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = group a by uname;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("c = load '/tmp/output1';");
+ myPig.registerQuery("d = group c by $0;");
+ myPig.registerQuery("e = store d into '/tmp/output2';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 1, 7);
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 1, 11);
+ MROperPlan mp = checkMRPlan(pp, 1, 1, 2);
+
+ MapReduceOper mo1 = mp.getRoots().get(0);
+ MapReduceOper mo2 = mp.getLeaves().get(0);
+
+ checkPhysicalPlan(mo1.mapPlan, 1, 1, 3);
+ checkPhysicalPlan(mo1.reducePlan, 1, 1, 2);
+ PhysicalOperator leaf = mo1.reducePlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POStore);
+
+ checkPhysicalPlan(mo2.mapPlan, 1, 1, 2);
+ checkPhysicalPlan(mo2.reducePlan, 1, 1, 2);
+ leaf = mo2.reducePlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POStore);
+
+ myPig.executeBatch();
+ myPig.discardBatch();
+
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output1"));
+ Assert.assertTrue(myPig.getPigContext().getDfs().isContainer("/tmp/output2"));
+
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testEmptyFilterRemoval() {
+ System.out.println("===== multi-query empty filters =====");
+
+ try {
+ myPig.setBatchOn();
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = filter a by uid>0;");
+ myPig.registerQuery("c = filter a by uid>5;");
+ myPig.registerQuery("d = filter c by uid<10;");
+ myPig.registerQuery("store b into '/tmp/output1';");
+ myPig.registerQuery("store b into '/tmp/output2';");
+ myPig.registerQuery("store b into '/tmp/output3';");
+
+ LogicalPlan lp = checkLogicalPlan(1, 3, 10);
+ PhysicalPlan pp = checkPhysicalPlan(lp, 1, 3, 10);
+ MROperPlan mp = checkMRPlan(pp, 1, 1, 1);
+
+ MapReduceOper mo = mp.getRoots().get(0);
+
+ checkPhysicalPlan(mo.mapPlan, 1, 1, 4);
+ PhysicalOperator leaf = mo.mapPlan.getLeaves().get(0);
+
+ Assert.assertTrue(leaf instanceof POSplit);
+
+ POSplit split = (POSplit)leaf;
+
+ int i = 0;
+ for (PhysicalPlan p: split.getPlans()) {
+ checkPhysicalPlan(p, 1, 1, 1);
+ ++i;
+ }
+
+ Assert.assertEquals(i,3);
+
+ myPig.executeBatch();
+ myPig.discardBatch();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithDescribe() {
+
+ System.out.println("===== multi-query with describe =====");
+
+ try {
+ String script = "a = load 'passwd' "
+ + "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);"
+ + "b = filter a by uid > 5;"
+ + "describe b;"
+ + "store b into '/tmp/output1';\n";
+
+ GruntParser parser = new GruntParser(new StringReader(script));
+ parser.setInteractive(false);
+ parser.setParams(myPig);
+ parser.parseStopOnError();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithIllustrate() {
+
+ System.out.println("===== multi-query with illustrate =====");
+
+ try {
+ String script = "a = load 'passwd' "
+ + "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);"
+ + "b = filter a by uid > 5;"
+ + "illustrate b;"
+ + "store b into '/tmp/output1';\n";
+
+ GruntParser parser = new GruntParser(new StringReader(script));
+ parser.setInteractive(false);
+ parser.setParams(myPig);
+ parser.parseStopOnError();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithExplain() {
+
+ System.out.println("===== multi-query with explain =====");
+
+ try {
+ String script = "a = load 'passwd' "
+ + "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);"
+ + "b = filter a by uid > 5;"
+ + "explain b;"
+ + "store b into '/tmp/output1';\n";
+
+ GruntParser parser = new GruntParser(new StringReader(script));
+ parser.setInteractive(false);
+ parser.setParams(myPig);
+ parser.parseStopOnError();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithDump() {
+
+ System.out.println("===== multi-query with dump =====");
+
+ try {
+ String script = "a = load 'passwd' "
+ + "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);"
+ + "b = filter a by uid > 5;"
+ + "dump b;"
+ + "store b into '/tmp/output1';\n";
+
+ GruntParser parser = new GruntParser(new StringReader(script));
+ parser.setInteractive(false);
+ parser.setParams(myPig);
+ parser.parseStopOnError();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testEmptyExecute() {
+
+ System.out.println("==== empty execute ====");
+
+ try {
+ myPig.setBatchOn();
+ myPig.executeBatch();
+ myPig.executeBatch();
+ myPig.discardBatch();
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ // A test to verify there is no cycle in the plan if the load location is the same as the store location
+ @Test
+ public void testLoadStoreLoop() {
+ try {
+ String script = "a = load 'dummy'; b = filter a by $0 == 1; store b into 'dummy';\n";
+ GruntParser parser = new GruntParser(new StringReader(script));
+ parser.setInteractive(false);
+ parser.setParams(myPig);
+ myPig.getPigContext().inExplain = true;
+ parser.parseStopOnError();
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ @Test
+ public void testMultiQueryWithNoStore2() {
+
+ System.out.println("===== multi-query with no store (2) =====");
+
+ try {
+ myPig.setBatchOn();
+
+ myPig.registerQuery("a = load 'passwd' " +
+ "using PigStorage(':') as (uname:chararray, passwd:chararray, uid:int,gid:int);");
+ myPig.registerQuery("b = filter a by uid > 5;");
+ myPig.registerQuery("group b by gid;");
+
+ myPig.executeBatch();
+ myPig.discardBatch();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ // --------------------------------------------------------------------------
+ // Helper methods
+
+ private <T extends OperatorPlan<? extends Operator<?>>>
+ void showPlanOperators(T p) {
+ System.out.println("Operators:");
+
+ ArrayList<Operator<?>> ops = new ArrayList<Operator<?>>(p.getKeys()
+ .values());
+ Collections.sort(ops);
+ for (Operator<?> op : ops) {
+ System.out.println(" op: " + op.name());
+ }
+ System.out.println();
+ }
+
+ private LogicalPlan checkLogicalPlan(int expectedRoots,
+ int expectedLeaves, int expectedSize) throws IOException,
+ ParseException {
+
+ System.out.println("===== check logical plan =====");
+
+ LogicalPlan lp = null;
+
+ try {
+ java.lang.reflect.Method compileLp = myPig.getClass()
+ .getDeclaredMethod("compileLp",
+ new Class[] { String.class });
+
+ compileLp.setAccessible(true);
+
+ lp = (LogicalPlan) compileLp.invoke(myPig, new Object[] { null });
+
+ Assert.assertNotNull(lp);
+
+ } catch (Exception e) {
+ PigException pe = LogUtils.getPigException(e);
+ if (pe != null) {
+ throw pe;
+ } else {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ showPlanOperators(lp);
+
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ lp.explain(out, System.out);
+
+ System.out.println("===== Display Logical Plan =====");
+ System.out.println(out.toString());
+
+ Assert.assertEquals(expectedRoots, lp.getRoots().size());
+ Assert.assertEquals(expectedLeaves, lp.getLeaves().size());
+ Assert.assertEquals(expectedSize, lp.size());
+
+ return lp;
+ }
+
+ private void checkPhysicalPlan(PhysicalPlan pp, int expectedRoots,
+ int expectedLeaves, int expectedSize) throws IOException {
+
+ System.out.println("===== check physical plan =====");
+
+ showPlanOperators(pp);
+
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ pp.explain(out);
+
+ System.out.println("===== Display Physical Plan =====");
+ System.out.println(out.toString());
+
+ Assert.assertEquals(expectedRoots, pp.getRoots().size());
+ Assert.assertEquals(expectedLeaves, pp.getLeaves().size());
+ Assert.assertEquals(expectedSize, pp.size());
+
+ }
+
+ private PhysicalPlan checkPhysicalPlan(LogicalPlan lp, int expectedRoots,
+ int expectedLeaves, int expectedSize) throws IOException {
+
+ System.out.println("===== check physical plan =====");
+
+ PhysicalPlan pp = myPig.getPigContext().getExecutionEngine().compile(
+ lp, null);
+
+ showPlanOperators(pp);
+
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ pp.explain(out);
+
+ System.out.println("===== Display Physical Plan =====");
+ System.out.println(out.toString());
+
+ Assert.assertEquals(expectedRoots, pp.getRoots().size());
+ Assert.assertEquals(expectedLeaves, pp.getLeaves().size());
+ Assert.assertEquals(expectedSize, pp.size());
+
+ return pp;
+ }
+
+ private MROperPlan checkMRPlan(PhysicalPlan pp, int expectedRoots,
+ int expectedLeaves, int expectedSize) throws IOException {
+
+ System.out.println("===== check map-reduce plan =====");
+
+ ExecTools.checkLeafIsStore(pp, myPig.getPigContext());
+
+ MapReduceLauncher launcher = new MapReduceLauncher();
+
+ MROperPlan mrp = null;
+
+ try {
+ java.lang.reflect.Method compile = launcher.getClass()
+ .getDeclaredMethod("compile",
+ new Class[] { PhysicalPlan.class, PigContext.class });
+
+ compile.setAccessible(true);
+
+ mrp = (MROperPlan) compile.invoke(launcher, new Object[] { pp, myPig.getPigContext() });
+
+ Assert.assertNotNull(mrp);
+
+ } catch (Exception e) {
+ PigException pe = LogUtils.getPigException(e);
+ if (pe != null) {
+ throw pe;
+ } else {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+
+ showPlanOperators(mrp);
+
+ System.out.println("===== Display map-reduce Plan =====");
+ System.out.println(mrp.toString());
+
+ Assert.assertEquals(expectedRoots, mrp.getRoots().size());
+ Assert.assertEquals(expectedLeaves, mrp.getLeaves().size());
+ Assert.assertEquals(expectedSize, mrp.size());
+
+ return mrp;
+ }
+
+ private void deleteOutputFiles() {
+ try {
+ FileLocalizer.delete("/tmp/output1", myPig.getPigContext());
+ FileLocalizer.delete("/tmp/output2", myPig.getPigContext());
+ FileLocalizer.delete("/tmp/output3", myPig.getPigContext());
+ FileLocalizer.delete("/tmp/output4", myPig.getPigContext());
+ FileLocalizer.delete("/tmp/output5", myPig.getPigContext());
+ } catch (IOException e) {
+ e.printStackTrace();
+ Assert.fail();
+ }
+ }
+}