/*
* 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.debug;
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.AndPredicate;
import ch.epfl.data.squall.predicates.BetweenPredicate;
import ch.epfl.data.squall.predicates.ComparisonPredicate;
import ch.epfl.data.squall.predicates.OrPredicate;
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 TPCH7_CustomPlan extends QueryPlan {
private static Logger LOG = Logger.getLogger(TPCH7_CustomPlan.class);
private QueryBuilder _queryBuilder = new QueryBuilder();
private static final String _date1Str = "1995-01-01";
private static final String _date2Str = "1996-12-31";
// private static final String _firstCountryName = "FRANCE";
// private static final String _secondCountryName = "GERMANY";
private static final String _firstCountryName = "PERU";
private static final String _secondCountryName = "ETHIOPIA";
private static final Type<Date> _dateConv = new DateType();
private static final NumericType<Double> _doubleConv = new DoubleType();
private static final Type<String> _sc = new StringType();
private static final Date _date1 = _dateConv.fromString(_date1Str);
private static final Date _date2 = _dateConv.fromString(_date2Str);
public TPCH7_CustomPlan(String dataPath, String extension, Map conf) {
// -------------------------------------------------------------------------------------
List<Integer> hashNation2 = Arrays.asList(1);
SelectOperator selectionNation2 = new SelectOperator(new OrPredicate(
new ComparisonPredicate(new ColumnReference(_sc, 1),
new ValueSpecification(_sc, _firstCountryName)),
new ComparisonPredicate(new ColumnReference(_sc, 1),
new ValueSpecification(_sc, _secondCountryName))));
ProjectOperator projectionNation2 = new ProjectOperator(new int[] { 1,
0 });
DataSourceComponent relationNation2 = new DataSourceComponent(
"NATION2", dataPath + "nation" + extension)
.setOutputPartKey(hashNation2).add(selectionNation2)
.add(projectionNation2);
_queryBuilder.add(relationNation2);
// -------------------------------------------------------------------------------------
List<Integer> hashCustomer = Arrays.asList(1);
ProjectOperator projectionCustomer = new ProjectOperator(new int[] { 0,
3 });
DataSourceComponent relationCustomer = new DataSourceComponent(
"CUSTOMER", dataPath + "customer" + extension)
.setOutputPartKey(hashCustomer).add(projectionCustomer);
_queryBuilder.add(relationCustomer);
// -------------------------------------------------------------------------------------
EquiJoinComponent N_Cjoin = new EquiJoinComponent(relationNation2,
relationCustomer).add(new ProjectOperator(new int[] { 0, 2 }))
.setOutputPartKey(Arrays.asList(1));
_queryBuilder.add(N_Cjoin);
// -------------------------------------------------------------------------------------
List<Integer> hashOrders = Arrays.asList(1);
ProjectOperator projectionOrders = new ProjectOperator(
new int[] { 0, 1 });
DataSourceComponent relationOrders = new DataSourceComponent("ORDERS",
dataPath + "orders" + extension).setOutputPartKey(hashOrders)
.add(projectionOrders);
_queryBuilder.add(relationOrders);
// -------------------------------------------------------------------------------------
EquiJoinComponent N_C_Ojoin = new EquiJoinComponent(N_Cjoin,
relationOrders).add(new ProjectOperator(new int[] { 0, 2 }))
.setOutputPartKey(Arrays.asList(1));
_queryBuilder.add(N_C_Ojoin);
// -------------------------------------------------------------------------------------
List<Integer> hashSupplier = Arrays.asList(1);
ProjectOperator projectionSupplier = new ProjectOperator(new int[] { 0,
3 });
DataSourceComponent relationSupplier = new DataSourceComponent(
"SUPPLIER", dataPath + "supplier" + extension)
.setOutputPartKey(hashSupplier).add(projectionSupplier);
_queryBuilder.add(relationSupplier);
// -------------------------------------------------------------------------------------
List<Integer> hashNation1 = Arrays.asList(1);
ProjectOperator projectionNation1 = new ProjectOperator(new int[] { 1,
0 });
DataSourceComponent relationNation1 = new DataSourceComponent(
"NATION1", dataPath + "nation" + extension)
.setOutputPartKey(hashNation1).add(selectionNation2)
.add(projectionNation1);
_queryBuilder.add(relationNation1);
// -------------------------------------------------------------------------------------
EquiJoinComponent S_Njoin = new EquiJoinComponent(relationSupplier,
relationNation1).add(new ProjectOperator(new int[] { 0, 2 }))
.setOutputPartKey(Arrays.asList(0));
_queryBuilder.add(S_Njoin);
// -------------------------------------------------------------------------------------
List<Integer> hashLineitem = Arrays.asList(2);
SelectOperator selectionLineitem = new SelectOperator(
new BetweenPredicate(new ColumnReference(_dateConv, 10), true,
new ValueSpecification(_dateConv, _date1), true,
new ValueSpecification(_dateConv, _date2)));
// first field in projection
ValueExpression extractYear = new IntegerYearFromDate(
new ColumnReference<Date>(_dateConv, 10));
// second field in projection
// 1 - discount
ValueExpression<Double> substract = new Subtraction(
new ValueSpecification(_doubleConv, 1.0), new ColumnReference(
_doubleConv, 6));
// extendedPrice*(1-discount)
ValueExpression<Double> product = new Multiplication(
new ColumnReference(_doubleConv, 5), substract);
// third field in projection
ColumnReference supplierKey = new ColumnReference(_sc, 2);
// forth field in projection
ColumnReference orderKey = new ColumnReference(_sc, 0);
ProjectOperator projectionLineitem = new ProjectOperator(extractYear,
product, supplierKey, orderKey);
DataSourceComponent relationLineitem = new DataSourceComponent(
"LINEITEM", dataPath + "lineitem" + extension)
.setOutputPartKey(hashLineitem).add(selectionLineitem)
.add(projectionLineitem);
_queryBuilder.add(relationLineitem);
// -------------------------------------------------------------------------------------
EquiJoinComponent L_S_Njoin = new EquiJoinComponent(relationLineitem,
S_Njoin).add(new ProjectOperator(new int[] { 4, 0, 1, 3 }))
.setOutputPartKey(Arrays.asList(3));
_queryBuilder.add(L_S_Njoin);
// -------------------------------------------------------------------------------------
// set up aggregation function on the same StormComponent(Bolt) where
// the last join is
SelectOperator so = new SelectOperator(
new OrPredicate(
new AndPredicate(
new ComparisonPredicate(new ColumnReference(
_sc, 0), new ValueSpecification(_sc,
_firstCountryName)),
new ComparisonPredicate(new ColumnReference(
_sc, 2), new ValueSpecification(_sc,
_secondCountryName))),
new AndPredicate(
new ComparisonPredicate(new ColumnReference(
_sc, 0), new ValueSpecification(_sc,
_secondCountryName)),
new ComparisonPredicate(new ColumnReference(
_sc, 2), new ValueSpecification(_sc,
_firstCountryName)))));
AggregateOperator agg = new AggregateSumOperator(new ColumnReference(
_doubleConv, 4), conf)
.setGroupByColumns(Arrays.asList(2, 0, 3));
EquiJoinComponent N_C_O_L_S_Njoin = new EquiJoinComponent(N_C_Ojoin,
L_S_Njoin).add(so).add(agg);
_queryBuilder.add(N_C_O_L_S_Njoin);
// -------------------------------------------------------------------------------------
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}