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* 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.util.List;
import java.util.ArrayList;
import java.util.Properties;
import org.junit.After;
import org.junit.Test;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pig.ExecType;
import org.apache.pig.builtin.PigStorage;
import org.apache.pig.impl.PigContext;
import org.apache.pig.impl.plan.ProjectionMap;
import org.apache.pig.impl.logicalLayer.*;
import org.apache.pig.impl.util.MultiMap;
import org.apache.pig.impl.util.Pair;
import org.apache.pig.test.utils.LogicalPlanTester;
public class TestProjectionMap extends junit.framework.TestCase {
private final Log log = LogFactory.getLog(getClass());
PigContext pc = new PigContext(ExecType.LOCAL, new Properties());
LogicalPlanTester planTester = new LogicalPlanTester(pc);
@After
@Override
public void tearDown() throws Exception{
planTester.reset();
}
private static final String simpleEchoStreamingCommand;
static {
if (System.getProperty("os.name").toUpperCase().startsWith("WINDOWS"))
simpleEchoStreamingCommand = "perl -ne 'print \\\"$_\\\"'";
else
simpleEchoStreamingCommand = "perl -ne 'print \"$_\"'";
}
@Test
public void testQueryForeach1() {
String query = "foreach (load 'a') generate $1,$2;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the foreach projection map has null mappedFields
//and null removed fields since the input schema is null
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(1);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 2);
assertTrue(foreachProjectionMap.getRemovedFields() == null);
assertTrue(foreachProjectionMap.getAddedFields() == null);
}
@Test
public void testQueryForeach2() {
String query = "foreach (load 'a' using " + PigStorage.class.getName() + "(':')) generate $1, 'aoeuaoeu' ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the foreach projection map has null mappedFields
//and null removed fields since the input schema is null
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
assertTrue(foreachProjectionMap.getRemovedFields() == null);
//check that added fields contain [0, 1]
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields.size() == 1);
assertTrue(foreachAddedFields.get(0) == 1);
}
@Test
public void testQueryCogroup1() {
String query = "foreach (cogroup (load 'a') by $1, (load 'b') by $1) generate org.apache.pig.builtin.AVG($1) ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
assertTrue(mapValues.get(1).getInputColumn().first == 1);
assertTrue(mapValues.get(1).getInputColumn().second == 1);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 1);
assertTrue(cogroupAddedFields.get(1) == 2);
//check that the foreach projection map has null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
assertTrue(foreachProjectionMap.getMappedFields() == null);
//check that removed fields has all the columns from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachProjectionMap.getRemovedFields().size() == 3);
int expectedColumn = 0;
for(Pair<Integer, Integer> removedField: foreachRemovedFields) {
assertTrue(removedField.first == 0);
assertTrue(removedField.second == expectedColumn++);
}
//check that added fields contain [0]
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields.size() == 1);
assertTrue(foreachAddedFields.get(0) == 0);
}
@Test
public void testQueryGroupAll() throws Exception {
String query = "foreach (group (load 'a') ALL) generate $1 ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields == null);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [0, 1]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 0);
assertTrue(cogroupAddedFields.get(1) == 1);
//check that the foreach projection map has non-null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMappedFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMappedFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)foreachMappedFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
//check that removed fields has all the columns from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields.size() == 1);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 0);
//check that added fields is null
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
}
@Test
public void testQueryGroup2() {
String query = "foreach (group (load 'a') by $1) generate group, '1' ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [0, 1]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 1);
assertTrue(cogroupAddedFields.get(0) == 1);
//check that the foreach projection map has non-null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 0);
//check that removed fields has all the columns from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields.size() == 1);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 1);
//check that added fields contain [1]
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields != null);
assertTrue(foreachAddedFields.size() == 1);
assertTrue(foreachAddedFields.get(0) == 1);
}
@Test
public void testQueryCogroup2() {
String query = "foreach (cogroup (load 'a') by ($1), (load 'b') by ($1)) generate $1.$1, $2.$1 ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
assertTrue(mapValues.get(1).getInputColumn().first == 1);
assertTrue(mapValues.get(1).getInputColumn().second == 1);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 1);
assertTrue(cogroupAddedFields.get(1) == 2);
//check that the foreach projection map has null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 1);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(1);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 2);
//check that removed fields has all the group column from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields.size() == 1);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 0);
//check that added fields is null
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
}
@Test
public void testQueryGroup3() {
String query = "foreach (group (load 'a') by ($6, $7)) generate flatten(group) ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> mapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 6);
assertTrue(mapValues.get(1).getInputColumn().first == 0);
assertTrue(mapValues.get(1).getInputColumn().second == 7);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 1);
assertTrue(cogroupAddedFields.get(0) == 1);
//check that the foreach projection map has null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 0);
mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(1);
assertTrue(mapValues.get(0).getInputColumn().first == 0);
assertTrue(mapValues.get(0).getInputColumn().second == 0);
//check that removed fields has all the group column from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields.size() == 1);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 1);
//check that added fields is null
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
}
@Test
public void testQueryFilterNoSchema() {
planTester.buildPlan("a = load 'a';");
LogicalPlan lp = planTester.buildPlan("b = filter a by $1 == '3';");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the filter projection map has null mappedFields
LOFilter filter = (LOFilter)lp.getLeaves().get(0);
ProjectionMap filterProjectionMap = filter.getProjectionMap();
assertTrue(filterProjectionMap.changes() == false);
}
@Test
public void testQuerySplitNoSchema() {
planTester.buildPlan("a = load 'a';");
LogicalPlan lp = planTester.buildPlan("split a into b if $0 == '3', c if $1 == '3';");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the split projection map has null mappedFields
LOSplit split = (LOSplit)lp.getSuccessors(load).get(0);
ProjectionMap splitProjectionMap = split.getProjectionMap();
assertTrue(splitProjectionMap.changes() == false);
LOSplitOutput splitb = (LOSplitOutput)lp.getSuccessors(split).get(0);
ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
assertTrue(splitbProjectionMap.changes() == false);
LOSplitOutput splitc = (LOSplitOutput)lp.getSuccessors(split).get(1);
ProjectionMap splitcProjectionMap = splitc.getProjectionMap();
assertTrue(splitcProjectionMap.changes() == false);
}
@Test
public void testQueryOrderByNoSchema() {
planTester.buildPlan("a = load 'a';");
LogicalPlan lp = planTester.buildPlan("b = order a by $1;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the order by projection map has null mappedFields
LOSort sort = (LOSort)lp.getLeaves().get(0);
ProjectionMap sortProjectionMap = sort.getProjectionMap();
assertTrue(sortProjectionMap.changes() == false);
}
@Test
public void testQueryLimitNoSchema() {
planTester.buildPlan("a = load 'a';");
planTester.buildPlan("b = order a by $1;");
LogicalPlan lp = planTester.buildPlan("c = limit b 10;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the order by projection map is not null
LOSort sort = (LOSort)lp.getSuccessors(load).get(0);
ProjectionMap sortProjectionMap = sort.getProjectionMap();
assertTrue(sortProjectionMap.changes() == false);
//check that the limit projection map is null
LOLimit limit = (LOLimit)lp.getLeaves().get(0);
ProjectionMap limitProjectionMap = limit.getProjectionMap();
assertTrue(limitProjectionMap.changes() == false);
}
@Test
public void testQueryDistinctNoSchema() {
planTester.buildPlan("a = load 'a';");
LogicalPlan lp = planTester.buildPlan("b = distinct a;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the distinct projection map has null mappedFields
LODistinct distinct = (LODistinct)lp.getLeaves().get(0);
ProjectionMap distinctProjectionMap = distinct.getProjectionMap();
assertTrue(distinctProjectionMap.changes() == false);
}
@Test
public void testQueryStreamingNoSchema() {
String query = "stream (load 'a') through `" + simpleEchoStreamingCommand + "`;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the stream projection map is null
LOStream stream = (LOStream)lp.getLeaves().get(0);
ProjectionMap streamProjectionMap = stream.getProjectionMap();
assertTrue(streamProjectionMap == null);
}
@Test
public void testQueryStreamingNoSchema1() {
String query = "stream (load 'a' as (url, hitCount)) through `" + simpleEchoStreamingCommand + "` ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the stream projection map is null
LOStream stream = (LOStream)lp.getLeaves().get(0);
ProjectionMap streamProjectionMap = stream.getProjectionMap();
assertTrue(streamProjectionMap == null);
}
@Test
public void testQueryForeach3() {
String query = "foreach (load 'a') generate ($1 == '3'? $2 : $3) ;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the foreach projection map has null mappedFields
//and null removed fields since the input schema is null
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
assertTrue(foreachProjectionMap.getMappedFields() == null);
assertTrue(foreachProjectionMap.getRemovedFields() == null);
//check that added fields contain [0]
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields.size() == 1);
assertTrue(foreachAddedFields.get(0) == 0);
}
@Test
public void testQueryForeach4() {
planTester.buildPlan("A = load 'a';");
planTester.buildPlan("B = load 'b';");
LogicalPlan lp = planTester.buildPlan("foreach (cogroup A by ($1), B by ($1)) generate A, flatten(B.($1, $2, $3));");
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> cogroupMapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(cogroupMapValues.get(0).getInputColumn().first == 0);
assertTrue(cogroupMapValues.get(0).getInputColumn().second == 1);
assertTrue(cogroupMapValues.get(1).getInputColumn().first == 1);
assertTrue(cogroupMapValues.get(1).getInputColumn().second == 1);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 1);
assertTrue(cogroupAddedFields.get(1) == 2);
//check that the foreach projection map has non-null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
List<ProjectionMap.Column> foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
for(int i = 1; i < 4; ++i) {
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(i);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 2);
}
//check that removed fields has all the group column from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachProjectionMap.getRemovedFields().size() == 1);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 0);
//check that added fields is null
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
}
@Test
public void testForeach5() {
planTester.buildPlan("A = load 'a';");
planTester.buildPlan("B = load 'b';");
planTester.buildPlan("C = cogroup A by ($1), B by ($1);");
String query = "foreach C { " +
"B = order B by $0; " +
"generate FLATTEN(A), B.($1, $2, $3) ;" +
"};" ;
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> cogroupMapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(cogroupMapValues.get(0).getInputColumn().first == 0);
assertTrue(cogroupMapValues.get(0).getInputColumn().second == 1);
assertTrue(cogroupMapValues.get(1).getInputColumn().first == 1);
assertTrue(cogroupMapValues.get(1).getInputColumn().second == 1);
//check the cogroup removed fields is null
assertTrue(cogroupProjectionMap.getRemovedFields() == null);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 1);
assertTrue(cogroupAddedFields.get(1) == 2);
//check that the foreach projection map has null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
List<ProjectionMap.Column> foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
//check that removed fields has all the columns from the input cogroup
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachProjectionMap.getRemovedFields().size() == 2);
Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 0);
removedField = foreachRemovedFields.get(1);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 2);
//check that added fields contain [0]
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields.size() == 1);
assertTrue(foreachAddedFields.get(0) == 1);
}
@Test
public void testQueryCrossNoSchema(){
String query = "c = cross (load 'a'), (load 'b');";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cross projection map
LOCross cross = (LOCross)lp.getSuccessors(loada).get(0);
ProjectionMap crossProjectionMap = cross.getProjectionMap();
assertTrue(crossProjectionMap == null);
}
@Test
public void testQueryUnionNoSchema(){
String query = "c = union (load 'a'), (load 'b');";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check union projection map
LOUnion union = (LOUnion)lp.getSuccessors(loada).get(0);
ProjectionMap unionProjectionMap = union.getProjectionMap();
assertTrue(unionProjectionMap == null);
}
@Test
public void testQueryFRJoinNoSchema(){
String query = "c = join (load 'a') by $0, (load 'b') by $0 using \"replicated\";";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check frjoin projection map
LOJoin frjoin = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap frjoinProjectionMap = frjoin.getProjectionMap();
assertTrue(frjoinProjectionMap == null);
}
@Test
public void testQueryJoinNoSchema(){
String query = "c = join (load 'a') by $0, (load 'b') by $0;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check join projection map
LOJoin join = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap joinProjectionMap = join.getProjectionMap();
assertTrue(joinProjectionMap == null);
}
@Test
public void testQueryFilterWithSchema() {
planTester.buildPlan("a = load 'a' as (url,hitCount);");
LogicalPlan lp = planTester.buildPlan("b = filter a by $1 == '3';");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the filter projection map is not null
LOFilter filter = (LOFilter)lp.getLeaves().get(0);
ProjectionMap filterProjectionMap = filter.getProjectionMap();
assertTrue(filterProjectionMap != null);
assertTrue(filterProjectionMap.changes() == false);
}
@Test
public void testQuerySplitWithSchema() {
planTester.buildPlan("a = load 'a' as (url, hitCount);");
LogicalPlan lp = planTester.buildPlan("split a into b if url == '3', c if hitCount == '3';");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the split projection map has null mappedFields
LOSplit split = (LOSplit)lp.getSuccessors(load).get(0);
ProjectionMap splitProjectionMap = split.getProjectionMap();
assertTrue(splitProjectionMap.changes() == false);
LOSplitOutput splitb = (LOSplitOutput)lp.getSuccessors(split).get(0);
ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
assertTrue(splitbProjectionMap.changes() == false);
LOSplitOutput splitc = (LOSplitOutput)lp.getSuccessors(split).get(1);
ProjectionMap splitcProjectionMap = splitc.getProjectionMap();
assertTrue(splitcProjectionMap.changes() == false);
}
@Test
public void testQueryOrderByWithSchema() {
planTester.buildPlan("a = load 'a' as (url,hitCount);");
LogicalPlan lp = planTester.buildPlan("b = order a by $1;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the order by projection map is not null
LOSort sort = (LOSort)lp.getLeaves().get(0);
ProjectionMap sortProjectionMap = sort.getProjectionMap();
assertTrue(sortProjectionMap != null);
assertTrue(sortProjectionMap.changes() == false);
}
@Test
public void testQueryLimitWithSchema() {
planTester.buildPlan("a = load 'a' as (url,hitCount);");
planTester.buildPlan("b = order a by $1;");
LogicalPlan lp = planTester.buildPlan("c = limit b 10;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the order by projection map is not null
LOSort sort = (LOSort)lp.getSuccessors(load).get(0);
ProjectionMap sortProjectionMap = sort.getProjectionMap();
assertTrue(sortProjectionMap != null);
assertTrue(sortProjectionMap.changes() == false);
//check that the limit projection map is not null
LOLimit limit = (LOLimit)lp.getLeaves().get(0);
ProjectionMap limitProjectionMap = limit.getProjectionMap();
assertTrue(limitProjectionMap != null);
assertTrue(limitProjectionMap.changes() == false);
}
@Test
public void testQueryDistinctWithSchema() {
planTester.buildPlan("a = load 'a' as (url,hitCount);");
LogicalPlan lp = planTester.buildPlan("b = distinct a;");
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the distinct projection map is not null
LODistinct distinct = (LODistinct)lp.getLeaves().get(0);
ProjectionMap distinctProjectionMap = distinct.getProjectionMap();
assertTrue(distinctProjectionMap != null);
assertTrue(distinctProjectionMap.changes() == false);
}
@Test
public void testQueryStreamingWithSchema() {
String query = "stream (load 'a') through `" + simpleEchoStreamingCommand + "` as (x, y);";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the stream projection map is null
LOStream stream = (LOStream)lp.getLeaves().get(0);
ProjectionMap streamProjectionMap = stream.getProjectionMap();
assertTrue(streamProjectionMap.changes() == true);
assertTrue(streamProjectionMap.getMappedFields() == null);
assertTrue(streamProjectionMap.getRemovedFields() == null);
List<Integer> streamAddedFields = streamProjectionMap.getAddedFields();
assertTrue(streamAddedFields.size() == 2);
assertTrue(streamAddedFields.get(0) == 0);
assertTrue(streamAddedFields.get(1) == 1);
}
@Test
public void testQueryStreamingWithSchema1() {
String query = "stream (load 'a' as (url, hitCount)) through `" + simpleEchoStreamingCommand + "` as (x, y);";
LogicalPlan lp = planTester.buildPlan(query);
//check that the load projection map is null
LOLoad load = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadProjectionMap = load.getProjectionMap();
assertTrue(loadProjectionMap.changes() == false);
//check that the stream projection map is null
LOStream stream = (LOStream)lp.getLeaves().get(0);
ProjectionMap streamProjectionMap = stream.getProjectionMap();
assertTrue(streamProjectionMap.changes() == true);
assertTrue(streamProjectionMap.getMappedFields() == null);
//check that removed fields has all the columns from the input load
List<Pair<Integer, Integer>> streamRemovedFields = streamProjectionMap.getRemovedFields();
assertTrue(streamRemovedFields.size() == 2);
Pair<Integer, Integer> removedField = streamRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 0);
removedField = streamRemovedFields.get(1);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 1);
List<Integer> streamAddedFields = streamProjectionMap.getAddedFields();
assertTrue(streamAddedFields.size() == 2);
assertTrue(streamAddedFields.get(0) == 0);
assertTrue(streamAddedFields.get(1) == 1);
}
@Test
public void testQueryImplicitJoinWithSchema() {
planTester.buildPlan("a = load 'a' as (url,hitCount);");
planTester.buildPlan("b = load 'b' as (url,rank);");
planTester.buildPlan("c = cogroup a by url, b by url;");
LogicalPlan lp = planTester.buildPlan("d = foreach c generate group,flatten(a),flatten(b);");
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cogroup projection map
LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
assertTrue(cogroupProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
assertTrue(cogroupMapFields != null);
List<ProjectionMap.Column> cogroupMapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
assertTrue(cogroupMapValues.get(0).getInputColumn().first == 0);
assertTrue(cogroupMapValues.get(0).getInputColumn().second == 0);
assertTrue(cogroupMapValues.get(1).getInputColumn().first == 1);
assertTrue(cogroupMapValues.get(1).getInputColumn().second == 0);
//check that removed fields has hitCount from a and rank from b
List<Pair<Integer, Integer>> cogroupRemovedFields = cogroupProjectionMap.getRemovedFields();
assertTrue(cogroupRemovedFields.size() == 2);
Pair<Integer, Integer> removedField = cogroupRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 1);
removedField = cogroupRemovedFields.get(1);
assertTrue(removedField.first == 1);
assertTrue(removedField.second == 1);
//check that cogroup added fields contain [1, 2]
List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
assertTrue(cogroupAddedFields.size() == 2);
assertTrue(cogroupAddedFields.get(0) == 1);
assertTrue(cogroupAddedFields.get(1) == 2);
//check that the foreach projection map has null mappedFields
LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
List<ProjectionMap.Column> foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 0);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(1);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(2);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(3);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 2);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(4);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 2);
//check that removed fields is null
List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields == null);
//check that added fields is null
List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
lp = planTester.buildPlan("e = foreach d generate group, a::url, b::url, b::rank, rank;");
foreach = (LOForEach)lp.getLeaves().get(0);
foreachProjectionMap = foreach.getProjectionMap();
assertTrue(foreachProjectionMap.changes() == true);
foreachMapFields = foreachProjectionMap.getMappedFields();
assertTrue(foreachMapFields != null);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 0);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(1);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(2);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 3);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(3);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 4);
foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(4);
assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
assertTrue(foreachMapValues.get(0).getInputColumn().second == 4);
//check that removed fields is null
foreachRemovedFields = foreachProjectionMap.getRemovedFields();
assertTrue(foreachRemovedFields != null);
assertTrue(foreachRemovedFields.size() == 1);
removedField = foreachRemovedFields.get(0);
assertTrue(removedField.first == 0);
assertTrue(removedField.second == 2);
//check that added fields is null
foreachAddedFields = foreachProjectionMap.getAddedFields();
assertTrue(foreachAddedFields == null);
}
@Test
public void testQueryCrossWithSchema(){
String query = "c = cross (load 'a' as (url, hitcount)), (load 'b' as (url, rank));";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cross projection map
LOCross cross = (LOCross)lp.getSuccessors(loada).get(0);
ProjectionMap crossProjectionMap = cross.getProjectionMap();
assertTrue(crossProjectionMap != null);
MultiMap<Integer, ProjectionMap.Column> crossMapFields = crossProjectionMap.getMappedFields();
assertTrue(crossMapFields != null);
List<ProjectionMap.Column> crossMapValues = (ArrayList<ProjectionMap.Column>)crossMapFields.get(0);
assertTrue(crossMapValues.get(0).getInputColumn().first == 0);
assertTrue(crossMapValues.get(0).getInputColumn().second == 0);
crossMapValues = (ArrayList<ProjectionMap.Column>)crossMapFields.get(1);
assertTrue(crossMapValues.get(0).getInputColumn().first == 0);
assertTrue(crossMapValues.get(0).getInputColumn().second == 1);
crossMapValues = (ArrayList<ProjectionMap.Column>)crossMapFields.get(2);
assertTrue(crossMapValues.get(0).getInputColumn().first == 1);
assertTrue(crossMapValues.get(0).getInputColumn().second == 0);
crossMapValues = (ArrayList<ProjectionMap.Column>)crossMapFields.get(3);
assertTrue(crossMapValues.get(0).getInputColumn().first == 1);
assertTrue(crossMapValues.get(0).getInputColumn().second == 1);
//check that removed fields is null
List<Pair<Integer, Integer>> crossRemovedFields = crossProjectionMap.getRemovedFields();
assertTrue(crossRemovedFields == null);
//check that added fields is null
List<Integer> crossAddedFields = crossProjectionMap.getAddedFields();
assertTrue(crossAddedFields == null);
}
@Test
public void testQueryUnionWithSchema(){
String query = "c = union (load 'a' as (url, hitcount)), (load 'b' as (url, rank));";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check union projection map
LOUnion union = (LOUnion)lp.getSuccessors(loada).get(0);
ProjectionMap unionProjectionMap = union.getProjectionMap();
assertTrue(unionProjectionMap != null);
MultiMap<Integer, ProjectionMap.Column> unionMapFields = unionProjectionMap.getMappedFields();
assertTrue(unionMapFields != null);
List<ProjectionMap.Column> unionMapValues = (ArrayList<ProjectionMap.Column>)unionMapFields.get(0);
assertTrue(unionMapValues.get(0).getInputColumn().first == 0);
assertTrue(unionMapValues.get(0).getInputColumn().second == 0);
assertTrue(unionMapValues.get(1).getInputColumn().first == 1);
assertTrue(unionMapValues.get(1).getInputColumn().second == 0);
unionMapValues = (ArrayList<ProjectionMap.Column>)unionMapFields.get(1);
assertTrue(unionMapValues.get(0).getInputColumn().first == 0);
assertTrue(unionMapValues.get(0).getInputColumn().second == 1);
assertTrue(unionMapValues.get(1).getInputColumn().first == 1);
assertTrue(unionMapValues.get(1).getInputColumn().second == 1);
//check that removed fields is null
List<Pair<Integer, Integer>> unionRemovedFields = unionProjectionMap.getRemovedFields();
assertTrue(unionRemovedFields == null);
//check that added fields is null
List<Integer> unionAddedFields = unionProjectionMap.getAddedFields();
assertTrue(unionAddedFields == null);
}
@Test
public void testQueryFRJoinWithSchema(){
String query = "c = join (load 'a' as (url, hitcount)) by $0, (load 'b' as (url, rank)) by $0 using \"replicated\";";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check frjoin projection map
LOJoin frjoin = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap frjoinProjectionMap = frjoin.getProjectionMap();
assertTrue(frjoinProjectionMap != null);
MultiMap<Integer, ProjectionMap.Column> frjoinMapFields = frjoinProjectionMap.getMappedFields();
assertTrue(frjoinMapFields != null);
List<ProjectionMap.Column> frjoinMapValues = (ArrayList<ProjectionMap.Column>)frjoinMapFields.get(0);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 0);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 0);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)frjoinMapFields.get(1);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 0);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 1);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)frjoinMapFields.get(2);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 1);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 0);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)frjoinMapFields.get(3);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 1);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 1);
//check that removed fields is null
List<Pair<Integer, Integer>> frjoinRemovedFields = frjoinProjectionMap.getRemovedFields();
assertTrue(frjoinRemovedFields == null);
//check that added fields is null
List<Integer> frjoinAddedFields = frjoinProjectionMap.getAddedFields();
assertTrue(frjoinAddedFields == null);
}
@Test
public void testQueryJoinWithSchema(){
String query = "c = join (load 'a' as (url, hitcount)) by $0, (load 'b' as (url, rank)) by $0;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check join projection map
LOJoin join = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap joinProjectionMap = join.getProjectionMap();
assertTrue(joinProjectionMap != null);
MultiMap<Integer, ProjectionMap.Column> joinMapFields = joinProjectionMap.getMappedFields();
assertTrue(joinMapFields != null);
List<ProjectionMap.Column> frjoinMapValues = (ArrayList<ProjectionMap.Column>)joinMapFields.get(0);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 0);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 0);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)joinMapFields.get(1);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 0);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 1);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)joinMapFields.get(2);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 1);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 0);
frjoinMapValues = (ArrayList<ProjectionMap.Column>)joinMapFields.get(3);
assertTrue(frjoinMapValues.get(0).getInputColumn().first == 1);
assertTrue(frjoinMapValues.get(0).getInputColumn().second == 1);
//check that removed fields is null
List<Pair<Integer, Integer>> joinRemovedFields = joinProjectionMap.getRemovedFields();
assertTrue(joinRemovedFields == null);
//check that added fields is null
List<Integer> joinAddedFields = joinProjectionMap.getAddedFields();
assertTrue(joinAddedFields == null);
}
@Test
public void testQueryCrossWithMixedSchema(){
String query = "c = cross (load 'a' as (url, hitcount)), (load 'b');";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check cross projection map
LOCross cross = (LOCross)lp.getSuccessors(loada).get(0);
ProjectionMap crossProjectionMap = cross.getProjectionMap();
assertTrue(crossProjectionMap == null);
}
@Test
public void testQueryUnionWithMixedSchema(){
String query = "c = union (load 'a' as (url, hitcount)), (load 'b');";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check union projection map
LOUnion union = (LOUnion)lp.getSuccessors(loada).get(0);
ProjectionMap unionProjectionMap = union.getProjectionMap();
assertTrue(unionProjectionMap == null);
}
@Test
public void testQueryFRJoinWithMixedSchema(){
String query = "c = join (load 'a' as (url, hitcount)) by $0, (load 'b') by $0 using \"replicated\";";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check frjoin projection map
LOJoin frjoin = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap frjoinProjectionMap = frjoin.getProjectionMap();
assertTrue(frjoinProjectionMap == null);
}
@Test
public void testQueryJoinWithMixedSchema(){
String query = "c = join (load 'a' as (url, hitcount)) by $0, (load 'b') by $0;";
LogicalPlan lp = planTester.buildPlan(query);
//check that the loads' projection map is null
LOLoad loada = (LOLoad) lp.getRoots().get(0);
ProjectionMap loadaProjectionMap = loada.getProjectionMap();
assertTrue(loadaProjectionMap.changes() == false);
LOLoad loadb = (LOLoad) lp.getRoots().get(1);
ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
assertTrue(loadbProjectionMap.changes() == false);
//check join projection map
LOJoin join = (LOJoin)lp.getSuccessors(loada).get(0);
ProjectionMap joinProjectionMap = join.getProjectionMap();
assertTrue(joinProjectionMap == null);
}
}