/*
* 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.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
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.expressions.ColumnReference;
import ch.epfl.data.squall.expressions.DateSum;
import ch.epfl.data.squall.expressions.ValueExpression;
import ch.epfl.data.squall.expressions.ValueSpecification;
import ch.epfl.data.squall.operators.AggregateCountOperator;
import ch.epfl.data.squall.operators.ProjectOperator;
import ch.epfl.data.squall.operators.SelectOperator;
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.DateType;
import ch.epfl.data.squall.types.DoubleType;
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;
public class ThetaTPCH5_R_N_S_LPlan extends QueryPlan {
private static void computeDates() {
// date2 = date1 + 1 year
String date1Str = "1994-01-01";
int interval = 1;
int unit = Calendar.YEAR;
// setting _date1
_date1 = _dc.fromString(date1Str);
// setting _date2
ValueExpression<Date> date1Ve, date2Ve;
date1Ve = new ValueSpecification<Date>(_dc, _date1);
date2Ve = new DateSum(date1Ve, unit, interval);
_date2 = date2Ve.eval(null);
// tuple is set to null since we are computing based on constants
}
private static Logger LOG = Logger.getLogger(ThetaTPCH5_R_N_S_LPlan.class);
private static final IntegerType _ic = new IntegerType();
private static final Type<Date> _dc = new DateType();
private static final Type<String> _sc = new StringType();
private static final NumericType<Double> _doubleConv = new DoubleType();
private QueryBuilder _queryBuilder = new QueryBuilder();
// query variables
private static Date _date1, _date2;
// private static final String REGION_NAME = "ASIA";
private static final String REGION_NAME = "AMERICA";
public ThetaTPCH5_R_N_S_LPlan(String dataPath, String extension, Map conf) {
computeDates();
int Theta_JoinType = ThetaQueryPlansParameters.getThetaJoinType(conf);
// -------------------------------------------------------------------------------------
List<Integer> hashRegion = Arrays.asList(0);
SelectOperator selectionRegion = new SelectOperator(
new ComparisonPredicate(new ColumnReference(_sc, 1),
new ValueSpecification(_sc, REGION_NAME)));
ProjectOperator projectionRegion = new ProjectOperator(new int[] { 0 });
DataSourceComponent relationRegion = new DataSourceComponent("REGION",
dataPath + "region" + extension).setOutputPartKey(hashRegion)
.add(selectionRegion).add(projectionRegion);
_queryBuilder.add(relationRegion);
// -------------------------------------------------------------------------------------
List<Integer> hashNation = Arrays.asList(2);
ProjectOperator projectionNation = new ProjectOperator(new int[] { 0,
1, 2 });
DataSourceComponent relationNation = new DataSourceComponent("NATION",
dataPath + "nation" + extension).setOutputPartKey(hashNation)
.add(projectionNation);
_queryBuilder.add(relationNation);
// -------------------------------------------------------------------------------------
List<Integer> hashRN = Arrays.asList(0);
ProjectOperator projectionRN = new ProjectOperator(new int[] { 1, 2 });
ColumnReference colR = new ColumnReference(_ic, 0);
ColumnReference colN = new ColumnReference(_ic, 2);
ComparisonPredicate R_N_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR, colN);
Component R_Njoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationRegion,
relationNation, _queryBuilder).setOutputPartKey(hashRN)
.add(projectionRN).setJoinPredicate(R_N_comp);
// -------------------------------------------------------------------------------------
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> hashRNS = Arrays.asList(2);
ProjectOperator projectionRNS = new ProjectOperator(
new int[] { 0, 1, 2 });
ColumnReference colR_N = new ColumnReference(_ic, 0);
ColumnReference colS = new ColumnReference(_ic, 1);
ComparisonPredicate R_N_S_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR_N, colS);
Component R_N_Sjoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, R_Njoin,
relationSupplier, _queryBuilder)
.setOutputPartKey(hashRNS).add(projectionRNS)
.setJoinPredicate(R_N_S_comp);
// -------------------------------------------------------------------------------------
List<Integer> hashLineitem = Arrays.asList(1);
ProjectOperator projectionLineitem = new ProjectOperator(new int[] { 0,
2, 5, 6 });
DataSourceComponent relationLineitem = new DataSourceComponent(
"LINEITEM", dataPath + "lineitem" + extension)
.setOutputPartKey(hashLineitem).add(projectionLineitem);
_queryBuilder.add(relationLineitem);
// -------------------------------------------------------------------------------------
List<Integer> hashRNSL = Arrays.asList(0, 2);
ColumnReference colR_N_S = new ColumnReference(_ic, 2);
ColumnReference colL = new ColumnReference(_ic, 1);
ComparisonPredicate R_N_S_L_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR_N_S, colL);
ProjectOperator projectionRNSL = new ProjectOperator(new int[] { 0, 1,
3, 5, 6 });
// AggregateCountOperator agg= new AggregateCountOperator(conf);
AggregateCountOperator agg = new AggregateCountOperator(conf);
Component R_N_S_Ljoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, R_N_Sjoin,
relationLineitem, _queryBuilder)
.setOutputPartKey(hashRNSL).add(projectionRNSL)
.setJoinPredicate(R_N_S_L_comp)
.setContentSensitiveThetaJoinWrapper(_ic).add(agg);
// R_N_S_Ljoin.setPrintOut(false);
// -------------------------------------------------------------------------------------
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}