/*
* 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.examples.imperative.shj;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import ch.epfl.data.squall.components.DataSourceComponent;
import ch.epfl.data.squall.components.EquiJoinComponent;
import ch.epfl.data.squall.expressions.ColumnReference;
import ch.epfl.data.squall.expressions.IntegerYearFromDate;
import ch.epfl.data.squall.expressions.Multiplication;
import ch.epfl.data.squall.expressions.Subtraction;
import ch.epfl.data.squall.expressions.ValueExpression;
import ch.epfl.data.squall.expressions.ValueSpecification;
import ch.epfl.data.squall.operators.AggregateOperator;
import ch.epfl.data.squall.operators.AggregateSumOperator;
import ch.epfl.data.squall.operators.ProjectOperator;
import ch.epfl.data.squall.operators.SelectOperator;
import ch.epfl.data.squall.predicates.LikePredicate;
import ch.epfl.data.squall.query_plans.QueryBuilder;
import ch.epfl.data.squall.query_plans.QueryPlan;
import ch.epfl.data.squall.types.DateType;
import ch.epfl.data.squall.types.DoubleType;
import ch.epfl.data.squall.types.NumericType;
import ch.epfl.data.squall.types.StringType;
import ch.epfl.data.squall.types.Type;
public class TPCH9Plan extends QueryPlan {
private static Logger LOG = Logger.getLogger(TPCH9Plan.class);
private static final NumericType<Double> _doubleConv = new DoubleType();
private static final Type<Date> _dateConv = new DateType();
private static final StringType _sc = new StringType();
private static final String COLOR = "%green%";
private final QueryBuilder _queryBuilder = new QueryBuilder();
public TPCH9Plan(String dataPath, String extension, Map conf) {
// -------------------------------------------------------------------------------------
final List<Integer> hashPart = Arrays.asList(0);
final SelectOperator selectionPart = new SelectOperator(
new LikePredicate(new ColumnReference(_sc, 1),
new ValueSpecification(_sc, COLOR)));
final ProjectOperator projectionPart = new ProjectOperator(
new int[] { 0 });
final DataSourceComponent relationPart = new DataSourceComponent(
"PART", dataPath + "part" + extension)
.setOutputPartKey(hashPart).add(selectionPart)
.add(projectionPart);
_queryBuilder.add(relationPart);
// -------------------------------------------------------------------------------------
final List<Integer> hashLineitem = Arrays.asList(1);
final ProjectOperator projectionLineitem = new ProjectOperator(
new int[] { 0, 1, 2, 4, 5, 6 });
final DataSourceComponent relationLineitem = new DataSourceComponent(
"LINEITEM", dataPath + "lineitem" + extension)
.setOutputPartKey(hashLineitem).add(projectionLineitem);
_queryBuilder.add(relationLineitem);
// -------------------------------------------------------------------------------------
final EquiJoinComponent P_Ljoin = new EquiJoinComponent(relationPart,
relationLineitem).setOutputPartKey(Arrays.asList(0, 2));
_queryBuilder.add(P_Ljoin);
// -------------------------------------------------------------------------------------
final List<Integer> hashPartsupp = Arrays.asList(0, 1);
final ProjectOperator projectionPartsupp = new ProjectOperator(
new int[] { 0, 1, 3 });
final DataSourceComponent relationPartsupp = new DataSourceComponent(
"PARTSUPP", dataPath + "partsupp" + extension)
.setOutputPartKey(hashPartsupp).add(projectionPartsupp);
_queryBuilder.add(relationPartsupp);
// -------------------------------------------------------------------------------------
final EquiJoinComponent P_L_PSjoin = new EquiJoinComponent(P_Ljoin,
relationPartsupp).setOutputPartKey(Arrays.asList(0)).add(
new ProjectOperator(new int[] { 1, 2, 3, 4, 5, 6 }));
_queryBuilder.add(P_L_PSjoin);
// -------------------------------------------------------------------------------------
final List<Integer> hashOrders = Arrays.asList(0);
final ProjectOperator projectionOrders = new ProjectOperator(
new ColumnReference(_sc, 0), new IntegerYearFromDate(
new ColumnReference(_dateConv, 4)));
final DataSourceComponent relationOrders = new DataSourceComponent(
"ORDERS", dataPath + "orders" + extension).setOutputPartKey(
hashOrders).add(projectionOrders);
_queryBuilder.add(relationOrders);
// -------------------------------------------------------------------------------------
final EquiJoinComponent P_L_PS_Ojoin = new EquiJoinComponent(
P_L_PSjoin, relationOrders).setOutputPartKey(Arrays.asList(0))
.add(new ProjectOperator(new int[] { 1, 2, 3, 4, 5, 6 }));
_queryBuilder.add(P_L_PS_Ojoin);
// -------------------------------------------------------------------------------------
final List<Integer> hashSupplier = Arrays.asList(0);
final ProjectOperator projectionSupplier = new ProjectOperator(
new int[] { 0, 3 });
final DataSourceComponent relationSupplier = new DataSourceComponent(
"SUPPLIER", dataPath + "supplier" + extension)
.setOutputPartKey(hashSupplier).add(projectionSupplier);
_queryBuilder.add(relationSupplier);
// -------------------------------------------------------------------------------------
final EquiJoinComponent P_L_PS_O_Sjoin = new EquiJoinComponent(
P_L_PS_Ojoin, relationSupplier).setOutputPartKey(
Arrays.asList(5)).add(
new ProjectOperator(new int[] { 1, 2, 3, 4, 5, 6 }));
_queryBuilder.add(P_L_PS_O_Sjoin);
// -------------------------------------------------------------------------------------
final List<Integer> hashNation = Arrays.asList(0);
final ProjectOperator projectionNation = new ProjectOperator(new int[] {
0, 1 });
final DataSourceComponent relationNation = new DataSourceComponent(
"NATION", dataPath + "nation" + extension).setOutputPartKey(
hashNation).add(projectionNation);
_queryBuilder.add(relationNation);
// -------------------------------------------------------------------------------------
// set up aggregation function on the StormComponent(Bolt) where join is
// performed
// 1 - discount
final ValueExpression<Double> substract1 = new Subtraction(
new ValueSpecification(_doubleConv, 1.0), new ColumnReference(
_doubleConv, 2));
// extendedPrice*(1-discount)
final ValueExpression<Double> product1 = new Multiplication(
new ColumnReference(_doubleConv, 1), substract1);
// ps_supplycost * l_quantity
final ValueExpression<Double> product2 = new Multiplication(
new ColumnReference(_doubleConv, 3), new ColumnReference(
_doubleConv, 0));
// all together
final ValueExpression<Double> substract2 = new Subtraction(product1,
product2);
final AggregateOperator agg = new AggregateSumOperator(substract2, conf)
.setGroupByColumns(Arrays.asList(5, 4));
EquiJoinComponent finalComp = new EquiJoinComponent(P_L_PS_O_Sjoin,
relationNation).add(
new ProjectOperator(new int[] { 0, 1, 2, 3, 4, 6 })).add(agg);
_queryBuilder.add(finalComp);
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}