/*
* 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.theta;
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.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.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.BetweenPredicate;
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 ThetaTPCH8Plan extends QueryPlan {
private static Logger LOG = Logger.getLogger(ThetaTPCH8Plan.class);
private QueryBuilder _queryBuilder = new QueryBuilder();
// the field nation is not used, since we cannot provide final result if
// having more final components
private static final String _nation = "BRAZIL";
private static final String _region = "AMERICA";
private static final String _type = "ECONOMY ANODIZED STEEL";
private static final String _date1Str = "1995-01-01";
private static final String _date2Str = "1996-12-31";
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);
private static final IntegerType _ic = new IntegerType();
public ThetaTPCH8Plan(String dataPath, String extension, Map conf) {
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)));
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> hashNation1 = Arrays.asList(1);
ProjectOperator projectionNation1 = new ProjectOperator(new int[] { 0,
2 });
DataSourceComponent relationNation1 = new DataSourceComponent(
"NATION1", dataPath + "nation" + extension).setOutputPartKey(
hashNation1).add(projectionNation1);
_queryBuilder.add(relationNation1);
// -------------------------------------------------------------------------------------
ColumnReference colR = new ColumnReference(_ic, 0);
ColumnReference colN = new ColumnReference(_ic, 1);
ComparisonPredicate R_N_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR, colN);
Component R_Njoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationRegion,
relationNation1, _queryBuilder)
.add(new ProjectOperator(new int[] { 1 }))
.setOutputPartKey(Arrays.asList(0)).setJoinPredicate(R_N_comp);
// -------------------------------------------------------------------------------------
List<Integer> hashCustomer = Arrays.asList(0);
ProjectOperator projectionCustomer = new ProjectOperator(new int[] { 3,
0 });
DataSourceComponent relationCustomer = new DataSourceComponent(
"CUSTOMER", dataPath + "customer" + extension)
.setOutputPartKey(hashCustomer).add(projectionCustomer);
_queryBuilder.add(relationCustomer);
// -------------------------------------------------------------------------------------
ColumnReference colR_N = new ColumnReference(_ic, 0);
ColumnReference colC = new ColumnReference(_ic, 0);
ComparisonPredicate R_N_C_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR_N, colC);
Component R_N_Cjoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, R_Njoin,
relationCustomer, _queryBuilder)
.add(new ProjectOperator(new int[] { 2 }))
.setOutputPartKey(Arrays.asList(0))
.setJoinPredicate(R_N_C_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> hashNation2 = Arrays.asList(0);
ProjectOperator projectionNation2 = new ProjectOperator(new int[] { 0,
1 });
DataSourceComponent relationNation2 = new DataSourceComponent(
"NATION2", dataPath + "nation" + extension).setOutputPartKey(
hashNation2).add(projectionNation2);
_queryBuilder.add(relationNation2);
// -------------------------------------------------------------------------------------
ColumnReference colS = new ColumnReference(_ic, 1);
ColumnReference colN2 = new ColumnReference(_ic, 0);
ComparisonPredicate S_N2_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colS, colN2);
Component S_Njoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationSupplier,
relationNation2, _queryBuilder)
.add(new ProjectOperator(new int[] { 0, 3 }))
.setOutputPartKey(Arrays.asList(0)).setJoinPredicate(S_N2_comp);
// -------------------------------------------------------------------------------------
List<Integer> hashPart = Arrays.asList(0);
SelectOperator selectionPart = new SelectOperator(
new ComparisonPredicate(new ColumnReference(_sc, 4),
new ValueSpecification(_sc, _type)));
ProjectOperator projectionPart = new ProjectOperator(new int[] { 0 });
DataSourceComponent relationPart = new DataSourceComponent("PART",
dataPath + "part" + extension).setOutputPartKey(hashPart)
.add(selectionPart).add(projectionPart);
_queryBuilder.add(relationPart);
// -------------------------------------------------------------------------------------
List<Integer> hashLineitem = Arrays.asList(1);
// first field in projection
ColumnReference orderKey = new ColumnReference(_sc, 0);
// second field in projection
ColumnReference partKey = new ColumnReference(_sc, 1);
// third field in projection
ColumnReference suppKey = new ColumnReference(_sc, 2);
// forth field in projection
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);
ProjectOperator projectionLineitem = new ProjectOperator(orderKey,
partKey, suppKey, product);
DataSourceComponent relationLineitem = new DataSourceComponent(
"LINEITEM", dataPath + "lineitem" + extension)
.setOutputPartKey(hashLineitem).add(projectionLineitem);
_queryBuilder.add(relationLineitem);
// -------------------------------------------------------------------------------------
ColumnReference colP = new ColumnReference(_ic, 0);
ColumnReference colL = new ColumnReference(_ic, 1);
ComparisonPredicate P_L_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colP, colL);
Component P_Ljoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationPart,
relationLineitem, _queryBuilder)
.add(new ProjectOperator(new int[] { 1, 3, 4 }))
.setOutputPartKey(Arrays.asList(0)).setJoinPredicate(P_L_comp)
// .addOperator(agg)
;
// -------------------------------------------------------------------------------------
List<Integer> hashOrders = Arrays.asList(0);
SelectOperator selectionOrders = new SelectOperator(
new BetweenPredicate(new ColumnReference(_dateConv, 4), true,
new ValueSpecification(_dateConv, _date1), true,
new ValueSpecification(_dateConv, _date2)));
// first field in projection
ValueExpression OrdersOrderKey = new ColumnReference(_sc, 0);
// second field in projection
ValueExpression OrdersCustKey = new ColumnReference(_sc, 1);
// third field in projection
ValueExpression OrdersExtractYear = new IntegerYearFromDate(
new ColumnReference<Date>(_dateConv, 4));
ProjectOperator projectionOrders = new ProjectOperator(OrdersOrderKey,
OrdersCustKey, OrdersExtractYear);
DataSourceComponent relationOrders = new DataSourceComponent("ORDERS",
dataPath + "orders" + extension).setOutputPartKey(hashOrders)
.add(selectionOrders).add(projectionOrders);
_queryBuilder.add(relationOrders);
// -------------------------------------------------------------------------------------
ColumnReference colP_L = new ColumnReference(_ic, 0);
ColumnReference colO = new ColumnReference(_ic, 0);
ComparisonPredicate P_L_O_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colP_L, colO);
Component P_L_Ojoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, P_Ljoin,
relationOrders, _queryBuilder)
.add(new ProjectOperator(new int[] { 1, 2, 4, 5 }))
.setOutputPartKey(Arrays.asList(0))
.setJoinPredicate(P_L_O_comp);
// -------------------------------------------------------------------------------------
ColumnReference colS_N = new ColumnReference(_ic, 0);
ColumnReference colP_L_O = new ColumnReference(_ic, 0);
ComparisonPredicate S_N_P_L_O_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colS_N, colP_L_O);
Component S_N_P_L_Ojoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, S_Njoin, P_L_Ojoin,
_queryBuilder)
.add(new ProjectOperator(new int[] { 1, 3, 4, 5 }))
.setOutputPartKey(Arrays.asList(2))
.setJoinPredicate(S_N_P_L_O_comp);
// -------------------------------------------------------------------------------------
AggregateOperator agg = new AggregateSumOperator(new ColumnReference(
_doubleConv, 2), conf).setGroupByColumns(Arrays.asList(1, 4));
ColumnReference colR_N_C = new ColumnReference(_ic, 0);
ColumnReference colS_N_P_L_O = new ColumnReference(_ic, 2);
ComparisonPredicate R_N_C_S_N_P_L_O_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colR_N_C, colS_N_P_L_O);
Component R_N_C_S_N_P_L_Ojoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, R_N_Cjoin,
S_N_P_L_Ojoin, _queryBuilder).add(agg)
.setJoinPredicate(R_N_C_S_N_P_L_O_comp);
// -------------------------------------------------------------------------------------
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}