/*
* 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.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.operators.ProjectOperator;
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.IntegerType;
import ch.epfl.data.squall.types.StringType;
public class ThetaTPCH8_9_P_LPlan extends QueryPlan {
private static Logger LOG = Logger.getLogger(ThetaTPCH8_9_P_LPlan.class);
private static final StringType _sc = new StringType();
private static final IntegerType _ic = new IntegerType();
private QueryBuilder _queryBuilder = new QueryBuilder();
public ThetaTPCH8_9_P_LPlan(String dataPath, String extension, Map conf) {
int Theta_JoinType = ThetaQueryPlansParameters.getThetaJoinType(conf);
// -------------------------------------------------------------------------------------
List<Integer> hashPart = Arrays.asList(0);
ProjectOperator projectionPart = new ProjectOperator(new int[] { 0 });
DataSourceComponent relationPart = new DataSourceComponent("PART",
dataPath + "part" + extension).setOutputPartKey(hashPart).add(
projectionPart);
_queryBuilder.add(relationPart);
// -------------------------------------------------------------------------------------
List<Integer> hashLineitem = Arrays.asList(1);
ProjectOperator projectionLineitem = new ProjectOperator(new int[] { 0,
1, 2, 4, 5, 6 });
DataSourceComponent relationLineitem = new DataSourceComponent(
"LINEITEM", dataPath + "lineitem" + extension)
.setOutputPartKey(hashLineitem).add(projectionLineitem);
_queryBuilder.add(relationLineitem);
// -------------------------------------------------------------------------------------
// TODO
ColumnReference colP = new ColumnReference(_ic, 0);
ColumnReference colL = new ColumnReference(_ic, 1);
ComparisonPredicate P_L_comp = new ComparisonPredicate(
ComparisonPredicate.EQUAL_OP, colP, colL);
// AggregateCountOperator agg= new AggregateCountOperator(conf);
Component P_Ljoin = ThetaJoinComponentFactory
.createThetaJoinOperator(Theta_JoinType, relationPart,
relationLineitem, _queryBuilder)
.setOutputPartKey(Arrays.asList(0, 2))
.setJoinPredicate(P_L_comp)
.add(new ProjectOperator(new int[] { 0, 1, 3, 4, 5, 6 }))
.setContentSensitiveThetaJoinWrapper(_ic)
// .addOperator(agg)
;
P_Ljoin.setPrintOut(false);
// -------------------------------------------------------------------------------------
}
@Override
public QueryBuilder getQueryPlan() {
return _queryBuilder;
}
}