Package plan_runner.query_plans

Source Code of plan_runner.query_plans.TPCH8Plan

package plan_runner.query_plans;

import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import plan_runner.components.DataSourceComponent;
import plan_runner.components.EquiJoinComponent;
import plan_runner.conversion.DateConversion;
import plan_runner.conversion.DoubleConversion;
import plan_runner.conversion.NumericConversion;
import plan_runner.conversion.StringConversion;
import plan_runner.conversion.TypeConversion;
import plan_runner.expressions.ColumnReference;
import plan_runner.expressions.IntegerYearFromDate;
import plan_runner.expressions.Multiplication;
import plan_runner.expressions.Subtraction;
import plan_runner.expressions.ValueExpression;
import plan_runner.expressions.ValueSpecification;
import plan_runner.operators.AggregateOperator;
import plan_runner.operators.AggregateSumOperator;
import plan_runner.operators.ProjectOperator;
import plan_runner.operators.SelectOperator;
import plan_runner.predicates.BetweenPredicate;
import plan_runner.predicates.ComparisonPredicate;

public class TPCH8Plan {
  private static Logger LOG = Logger.getLogger(TPCH8Plan.class);

  private final QueryPlan _queryPlan = new QueryPlan();

  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 TypeConversion<Date> _dateConv = new DateConversion();
  private static final NumericConversion<Double> _doubleConv = new DoubleConversion();
  private static final TypeConversion<String> _sc = new StringConversion();

  private static final Date _date1 = _dateConv.fromString(_date1Str);
  private static final Date _date2 = _dateConv.fromString(_date2Str);

  public TPCH8Plan(String dataPath, String extension, Map conf) {
    // -------------------------------------------------------------------------------------
    final List<Integer> hashRegion = Arrays.asList(0);

    final SelectOperator selectionRegion = new SelectOperator(new ComparisonPredicate(
        new ColumnReference(_sc, 1), new ValueSpecification(_sc, _region)));

    final ProjectOperator projectionRegion = new ProjectOperator(new int[] { 0 });

    final DataSourceComponent relationRegion = new DataSourceComponent("REGION", dataPath
        + "region" + extension, _queryPlan).setHashIndexes(hashRegion)
        .addOperator(selectionRegion).addOperator(projectionRegion);

    // -------------------------------------------------------------------------------------
    final List<Integer> hashNation1 = Arrays.asList(1);

    final ProjectOperator projectionNation1 = new ProjectOperator(new int[] { 0, 2 });

    final DataSourceComponent relationNation1 = new DataSourceComponent("NATION1", dataPath
        + "nation" + extension, _queryPlan).setHashIndexes(hashNation1).addOperator(
        projectionNation1);

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent R_Njoin = new EquiJoinComponent(relationRegion, relationNation1,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 1 })).setHashIndexes(
        Arrays.asList(0));

    // -------------------------------------------------------------------------------------
    final List<Integer> hashCustomer = Arrays.asList(0);

    final ProjectOperator projectionCustomer = new ProjectOperator(new int[] { 3, 0 });

    final DataSourceComponent relationCustomer = new DataSourceComponent("CUSTOMER", dataPath
        + "customer" + extension, _queryPlan).setHashIndexes(hashCustomer).addOperator(
        projectionCustomer);

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent R_N_Cjoin = new EquiJoinComponent(R_Njoin, relationCustomer,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 1 })).setHashIndexes(
        Arrays.asList(0));

    // -------------------------------------------------------------------------------------
    final List<Integer> hashSupplier = Arrays.asList(1);

    final ProjectOperator projectionSupplier = new ProjectOperator(new int[] { 0, 3 });

    final DataSourceComponent relationSupplier = new DataSourceComponent("SUPPLIER", dataPath
        + "supplier" + extension, _queryPlan).setHashIndexes(hashSupplier).addOperator(
        projectionSupplier);

    // -------------------------------------------------------------------------------------
    final List<Integer> hashNation2 = Arrays.asList(0);

    final ProjectOperator projectionNation2 = new ProjectOperator(new int[] { 0, 1 });

    final DataSourceComponent relationNation2 = new DataSourceComponent("NATION2", dataPath
        + "nation" + extension, _queryPlan).setHashIndexes(hashNation2).addOperator(
        projectionNation2);

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent S_Njoin = new EquiJoinComponent(relationSupplier, relationNation2,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 0, 2 })).setHashIndexes(
        Arrays.asList(0));

    // -------------------------------------------------------------------------------------
    final List<Integer> hashPart = Arrays.asList(0);

    final SelectOperator selectionPart = new SelectOperator(new ComparisonPredicate(
        new ColumnReference(_sc, 4), new ValueSpecification(_sc, _type)));

    final ProjectOperator projectionPart = new ProjectOperator(new int[] { 0 });

    final DataSourceComponent relationPart = new DataSourceComponent("PART", dataPath + "part"
        + extension, _queryPlan).setHashIndexes(hashPart).addOperator(selectionPart)
        .addOperator(projectionPart);

    // -------------------------------------------------------------------------------------
    final List<Integer> hashLineitem = Arrays.asList(1);

    // first field in projection
    final ColumnReference orderKey = new ColumnReference(_sc, 0);
    // second field in projection
    final ColumnReference partKey = new ColumnReference(_sc, 1);
    // third field in projection
    final ColumnReference suppKey = new ColumnReference(_sc, 2);
    // forth field in projection
    final ValueExpression<Double> substract = new Subtraction(new ValueSpecification(
        _doubleConv, 1.0), new ColumnReference(_doubleConv, 6));
    // extendedPrice*(1-discount)
    final ValueExpression<Double> product = new Multiplication(new ColumnReference(_doubleConv,
        5), substract);
    final ProjectOperator projectionLineitem = new ProjectOperator(orderKey, partKey, suppKey,
        product);

    final DataSourceComponent relationLineitem = new DataSourceComponent("LINEITEM", dataPath
        + "lineitem" + extension, _queryPlan).setHashIndexes(hashLineitem).addOperator(
        projectionLineitem);

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent P_Ljoin = new EquiJoinComponent(relationPart, relationLineitem,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 1, 2, 3 })).setHashIndexes(
        Arrays.asList(0));

    // -------------------------------------------------------------------------------------
    final List<Integer> hashOrders = Arrays.asList(0);

    final SelectOperator selectionOrders = new SelectOperator(new BetweenPredicate(
        new ColumnReference(_dateConv, 4), true, new ValueSpecification(_dateConv, _date1),
        true, new ValueSpecification(_dateConv, _date2)));

    // first field in projection
    final ValueExpression OrdersOrderKey = new ColumnReference(_sc, 0);
    // second field in projection
    final ValueExpression OrdersCustKey = new ColumnReference(_sc, 1);
    // third field in projection
    final ValueExpression OrdersExtractYear = new IntegerYearFromDate(
        new ColumnReference<Date>(_dateConv, 4));
    final ProjectOperator projectionOrders = new ProjectOperator(OrdersOrderKey, OrdersCustKey,
        OrdersExtractYear);

    final DataSourceComponent relationOrders = new DataSourceComponent("ORDERS", dataPath
        + "orders" + extension, _queryPlan).setHashIndexes(hashOrders)
        .addOperator(selectionOrders).addOperator(projectionOrders);

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent P_L_Ojoin = new EquiJoinComponent(P_Ljoin, relationOrders,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 1, 2, 3, 4 }))
        .setHashIndexes(Arrays.asList(0));

    // -------------------------------------------------------------------------------------
    final EquiJoinComponent S_N_P_L_Ojoin = new EquiJoinComponent(S_Njoin, P_L_Ojoin,
        _queryPlan).addOperator(new ProjectOperator(new int[] { 1, 2, 3, 4 }))
        .setHashIndexes(Arrays.asList(2));

    // -------------------------------------------------------------------------------------
    final AggregateOperator agg = new AggregateSumOperator(new ColumnReference(_doubleConv, 2),
        conf).setGroupByColumns(Arrays.asList(1, 3));

    new EquiJoinComponent(R_N_Cjoin, S_N_P_L_Ojoin, _queryPlan).addOperator(agg);

    // -------------------------------------------------------------------------------------

  }

  public QueryPlan getQueryPlan() {
    return _queryPlan;
  }
}
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