/*
* Copyright (c) 2011-2015 EPFL DATA Laboratory
* Copyright (c) 2014-2015 The Squall Collaboration (see NOTICE)
*
* All rights reserved.
*
* Licensed 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 ch.epfl.data.squall.ewh.examples;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import ch.epfl.data.squall.components.Component;
import ch.epfl.data.squall.components.DataSourceComponent;
import ch.epfl.data.squall.components.theta.ThetaJoinComponentFactory;
import ch.epfl.data.squall.ewh.components.DummyComponent;
import ch.epfl.data.squall.expressions.ColumnReference;
import ch.epfl.data.squall.expressions.ValueSpecification;
import ch.epfl.data.squall.operators.PrintOperator;
import ch.epfl.data.squall.operators.ProjectOperator;
import ch.epfl.data.squall.operators.SelectOperator;
import ch.epfl.data.squall.predicates.AndPredicate;
import ch.epfl.data.squall.predicates.ComparisonPredicate;
import ch.epfl.data.squall.query_plans.QueryBuilder;
import ch.epfl.data.squall.query_plans.QueryPlan;
import ch.epfl.data.squall.query_plans.ThetaQueryPlansParameters;
import ch.epfl.data.squall.types.DateIntegerType;
import ch.epfl.data.squall.types.IntegerType;
import ch.epfl.data.squall.types.NumericType;
import ch.epfl.data.squall.types.StringType;
import ch.epfl.data.squall.types.Type;
import ch.epfl.data.squall.utilities.MyUtilities;
import ch.epfl.data.squall.utilities.SystemParameters;
public class ThetaEWHBandOrdersCustkeyCustkeyJoin extends QueryPlan {
private QueryBuilder _queryBuilder = new QueryBuilder();
private static final Type<String> _stringConv = new StringType();
private static final IntegerType _ic = new IntegerType();
private DateIntegerType _dic = new DateIntegerType();
public ThetaEWHBandOrdersCustkeyCustkeyJoin(String dataPath,
String extension, Map conf) {
// ORDERS * ORDERS on orderkey equi
// I = 2 * 15M = 30M; O =
// Variability is [0, 10] * skew
// baseline + z1 + select date (4 and < 19960101, 1): (1.7m, 3m, 5m): no
// output skew
// 1Bucket 107s, MBucket 43s, EWH 42s
// creates materialized relations
boolean printSelected = MyUtilities.isPrintFilteredLast(conf);
String matName1 = "bbosc_1";
String matName2 = "bbosc_2";
PrintOperator print1 = printSelected ? new PrintOperator(matName1
+ extension, conf) : null;
PrintOperator print2 = printSelected ? new PrintOperator(matName2
+ extension, conf) : null;
// read from materialized relations
boolean isMaterialized = SystemParameters.isExisting(conf,
"DIP_MATERIALIZED")
&& SystemParameters.getBoolean(conf, "DIP_MATERIALIZED");
boolean isOkcanSampling = SystemParameters.isExisting(conf,
"DIP_SAMPLING")
&& SystemParameters.getBoolean(conf, "DIP_SAMPLING");
boolean isEWHSampling = SystemParameters.isExisting(conf,
"DIP_EWH_SAMPLING")
&& SystemParameters.getBoolean(conf, "DIP_EWH_SAMPLING");
Component relationOrders1, relationOrders2;
// Project on shipdate , receiptdate, commitdate, shipInstruct, quantity
ProjectOperator projectionLineitem = new ProjectOperator(new int[] { 0,
2, 3, 4, 5, 1 });
final List<Integer> hashLineitem = Arrays.asList(5);
if (!isMaterialized) {
// ORDERDATE NO: startdate - enddate - 151, but for z4 mostly are
// 1996-01-02
// STARTDATE = 1992-01-01 CURRENTDATE = 1995-06-17 ENDDATE =
// 1998-12-31
Integer dateBoundary = 19960101;
ComparisonPredicate sel11 = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, new ColumnReference(
_stringConv, 5), new ValueSpecification(
_stringConv, "4-NOT SPECIFIED"));
ComparisonPredicate sel12 = new ComparisonPredicate(
ComparisonPredicate.LESS_OP, new ColumnReference(_dic, 4),
new ValueSpecification(_dic, dateBoundary));
AndPredicate andOrders1 = new AndPredicate(sel11, sel12);
SelectOperator selectionOrders1 = new SelectOperator(andOrders1);
relationOrders1 = new DataSourceComponent("ORDERS1", dataPath
+ "orders" + extension).add(selectionOrders1).add(print1)
.add(projectionLineitem).setOutputPartKey(hashLineitem);
_queryBuilder.add(relationOrders1);
ComparisonPredicate sel21 = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, new ColumnReference(
_stringConv, 5), new ValueSpecification(
_stringConv, "1-URGENT"));
SelectOperator selectionOrders2 = new SelectOperator(sel21);
relationOrders2 = new DataSourceComponent("ORDERS2", dataPath
+ "orders" + extension).add(selectionOrders2).add(print2)
.add(projectionLineitem).setOutputPartKey(hashLineitem);
_queryBuilder.add(relationOrders2);
} else {
relationOrders1 = new DataSourceComponent("ORDERS1", dataPath
+ matName1 + extension).add(projectionLineitem)
.setOutputPartKey(hashLineitem);
_queryBuilder.add(relationOrders1);
relationOrders2 = new DataSourceComponent("LINEITEM2", dataPath
+ matName2 + extension).add(projectionLineitem)
.setOutputPartKey(hashLineitem);
_queryBuilder.add(relationOrders2);
}
NumericType keyType = _ic;
int comparisonValue = 1;
ComparisonPredicate comparison = new ComparisonPredicate(
ComparisonPredicate.SYM_BAND_WITH_BOUNDS_OP, comparisonValue,
keyType);
int firstKeyProject = 5;
int secondKeyProject = 5;
if (printSelected) {
relationOrders1.setPrintOut(false);
relationOrders2.setPrintOut(false);
} else if (isOkcanSampling) {
_queryBuilder = MyUtilities.addOkcanSampler(relationOrders1,
relationOrders2, firstKeyProject, secondKeyProject,
_queryBuilder, keyType, comparison, conf);
} else if (isEWHSampling) {
_queryBuilder = MyUtilities.addEWHSampler(relationOrders1,
relationOrders2, firstKeyProject, secondKeyProject,
_queryBuilder, keyType, comparison, conf);
} else {
final int Theta_JoinType = ThetaQueryPlansParameters
.getThetaJoinType(conf);
final ColumnReference colO1 = new ColumnReference(keyType,
firstKeyProject);
final ColumnReference colO2 = new ColumnReference(keyType,
secondKeyProject);
ComparisonPredicate pred5 = new ComparisonPredicate(
ComparisonPredicate.NONGREATER_OP, colO1, colO2,
comparisonValue, ComparisonPredicate.BPLUSTREE);
// AggregateCountOperator agg = new AggregateCountOperator(conf);
Component lastJoiner = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationOrders1,
relationOrders2, _queryBuilder)
.setJoinPredicate(pred5)
.setContentSensitiveThetaJoinWrapper(keyType);
// .addOperator(agg)
// lastJoiner.setPrintOut(false);
DummyComponent dummy = new DummyComponent(lastJoiner, "DUMMY");
_queryBuilder.add(dummy);
}
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}