Package org.eigenbase.relopt

Examples of org.eigenbase.relopt.RelTraitSet

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    }

    @Override
    public RelNode convertChild(DrillAggregateRel aggregate, RelNode input) throws InvalidRelException {

      RelTraitSet traits = newTraitSet(Prel.DRILL_PHYSICAL, input.getTraitSet().getTrait(DrillDistributionTraitDef.INSTANCE));
      RelNode newInput = convert(input, traits);

      HashAggPrel phase1Agg = new HashAggPrel(aggregate.getCluster(), traits, newInput,
          aggregate.getGroupSet(),
          aggregate.getAggCallList(),
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    GroupScan groupScan = scan.getGroupScan();

    DrillDistributionTrait partition = groupScan.getMaxParallelizationWidth() > 1 ? DrillDistributionTrait.RANDOM_DISTRIBUTED : DrillDistributionTrait.SINGLETON;

    final RelTraitSet traits = scan.getTraitSet().plus(Prel.DRILL_PHYSICAL).plus(partition);

    final DrillScanPrel newScan = ScanPrel.create(scan, traits, groupScan, scan.getRowType());

    call.transformTo(newScan);
  }
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  public RexBuilder getRexBuilder(){
    return cluster.getRexBuilder();
  }

  public RelTraitSet getLogicalTraits(){
    RelTraitSet set = RelTraitSet.createEmpty();
    set.add(DrillRel.DRILL_LOGICAL);
    return set;
  }
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  @Override
  public void onMatch(RelOptRuleCall call) {
    final DrillLimitRel limit = (DrillLimitRel) call.rel(0);
    final RelNode input = limit.getChild();

    final RelTraitSet traits = input.getTraitSet().plus(Prel.DRILL_PHYSICAL).plus(DrillDistributionTrait.SINGLETON);
    final RelNode convertedInput = convert(input, traits);
    LimitPrel newLimit = new LimitPrel(limit.getCluster(), limit.getTraitSet().plus(Prel.DRILL_PHYSICAL).plus(DrillDistributionTrait.SINGLETON), convertedInput, limit.getOffset(), limit.getFetch());
    call.transformTo(newLimit);
  }
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    // Keep the collation in logical sort. Convert input into a RelNode with 1) this collation, 2) Physical, 3) hash distributed on

    DrillDistributionTrait hashDistribution =
        new DrillDistributionTrait(DrillDistributionTrait.DistributionType.HASH_DISTRIBUTED, ImmutableList.copyOf(getDistributionField(sort)));

    final RelTraitSet traits = sort.getTraitSet().plus(Prel.DRILL_PHYSICAL).plus(hashDistribution);

    final RelNode convertedInput = convert(input, traits);

    if(isSingleMode(call)){
      call.transformTo(convertedInput);
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  @Override
  public void onMatch(RelOptRuleCall call) {
    final DrillProjectRel project = (DrillProjectRel) call.rel(0);
    final RelNode input = project.getChild();

    RelTraitSet traits = input.getTraitSet().plus(Prel.DRILL_PHYSICAL);
    RelNode convertedInput = convert(input, traits);

    Map<Integer, Integer> inToOut = getProjectMap(project);
    boolean traitPull = new ProjectTraitPull(call, inToOut).go(project, convertedInput);
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      RelCollation childCollation = rel.getTraitSet().getTrait(RelCollationTraitDef.INSTANCE);


      DrillDistributionTrait newDist = convertDist(childDist, inToOut);
      RelCollation newCollation = convertRelCollation(childCollation, inToOut);
      RelTraitSet newProjectTraits = rel.getTraitSet().plus(newDist).plus(newCollation);
      return new ProjectPrel(project.getCluster(), newProjectTraits, rel, project.getProjects(), project.getRowType());
    }
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  @Override
  public void onMatch(RelOptRuleCall call) {
    final DrillUnionRel union = (DrillUnionRel) call.rel(0);
    final List<RelNode> inputs = union.getInputs();
    List<RelNode> convertedInputList = Lists.newArrayList();
    RelTraitSet traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL);

    try {
      for (int i = 0; i < inputs.size(); i++) {
        RelNode convertedInput = convert(inputs.get(i), PrelUtil.fixTraits(call, traits));
        convertedInputList.add(convertedInput);
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      DrillDistributionTrait distOnAllKeys =
          new DrillDistributionTrait(DrillDistributionTrait.DistributionType.HASH_DISTRIBUTED,
              ImmutableList.copyOf(getDistributionFields(windowBase)));

      RelCollation collation = getCollation(windowBase);
      RelTraitSet traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL).plus(collation).plus(distOnAllKeys);
      final RelNode convertedInput = convert(input, traits);

      List<RelDataTypeField> newRowFields = Lists.newArrayList();
      for(RelDataTypeField field : convertedInput.getRowType().getFieldList()) {
        newRowFields.add(field);
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  @Override
  public void onMatch(RelOptRuleCall call) {
    final DrillAggregateRel aggregate = (DrillAggregateRel) call.rel(0);
    final RelNode input = aggregate.getChild();
    final RelCollation collation = getCollation(aggregate);
    RelTraitSet traits = null;

    if (aggregate.containsDistinctCall()) {
      // currently, don't use StreamingAggregate if any of the logical aggrs contains DISTINCT
      return;
    }

    try {
      if (aggregate.getGroupSet().isEmpty()) {
        DrillDistributionTrait singleDist = DrillDistributionTrait.SINGLETON;
        final RelTraitSet singleDistTrait = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL).plus(singleDist);

        if (create2PhasePlan(call, aggregate)) {
          traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL) ;

          RelNode convertedInput = convert(input, traits);
          new SubsetTransformer<DrillAggregateRel, InvalidRelException>(call){

            @Override
            public RelNode convertChild(final DrillAggregateRel join, final RelNode rel) throws InvalidRelException {
              DrillDistributionTrait toDist = rel.getTraitSet().getTrait(DrillDistributionTraitDef.INSTANCE);
              RelTraitSet traits = newTraitSet(Prel.DRILL_PHYSICAL, toDist);
              RelNode newInput = convert(input, traits);

              StreamAggPrel phase1Agg = new StreamAggPrel(aggregate.getCluster(), traits, newInput,
                  aggregate.getGroupSet(),
                  aggregate.getAggCallList(),
                  OperatorPhase.PHASE_1of2);

              UnionExchangePrel exch =
                  new UnionExchangePrel(phase1Agg.getCluster(), singleDistTrait, phase1Agg);

              return  new StreamAggPrel(aggregate.getCluster(), singleDistTrait, exch,
                  aggregate.getGroupSet(),
                  phase1Agg.getPhase2AggCalls(),
                  OperatorPhase.PHASE_2of2);
            }
          }.go(aggregate, convertedInput);

        } else {
          createTransformRequest(call, aggregate, input, singleDistTrait);
        }
      } else {
        // hash distribute on all grouping keys
        final DrillDistributionTrait distOnAllKeys =
            new DrillDistributionTrait(DrillDistributionTrait.DistributionType.HASH_DISTRIBUTED,
                                       ImmutableList.copyOf(getDistributionField(aggregate, true)));

        traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL).plus(collation).plus(distOnAllKeys);
        createTransformRequest(call, aggregate, input, traits);

        // hash distribute on one grouping key
        DrillDistributionTrait distOnOneKey =
            new DrillDistributionTrait(DrillDistributionTrait.DistributionType.HASH_DISTRIBUTED,
                                       ImmutableList.copyOf(getDistributionField(aggregate, false)));

        traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL).plus(collation).plus(distOnOneKey);
        // Temporarily commenting out the single distkey plan since a few tpch queries (e.g 01.sql) get stuck
        // in VolcanoPlanner.canonize() method. Note that the corresponding single distkey plan for HashAggr works
        // ok.  One possibility is that here we have dist on single key but collation on all keys, so that
        // might be causing some problem.
        /// TODO: re-enable this plan after resolving the issue.
        // createTransformRequest(call, aggregate, input, traits);

        if (create2PhasePlan(call, aggregate)) {
          traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL) ;
          RelNode convertedInput = convert(input, traits);

          new SubsetTransformer<DrillAggregateRel, InvalidRelException>(call){

            @Override
            public RelNode convertChild(final DrillAggregateRel aggregate, final RelNode rel) throws InvalidRelException {
              DrillDistributionTrait toDist = rel.getTraitSet().getTrait(DrillDistributionTraitDef.INSTANCE);
              RelTraitSet traits = newTraitSet(Prel.DRILL_PHYSICAL, collation, toDist);
              RelNode newInput = convert(input, traits);

              StreamAggPrel phase1Agg = new StreamAggPrel(aggregate.getCluster(), traits, newInput,
                  aggregate.getGroupSet(),
                  aggregate.getAggCallList(),
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Related Classes of org.eigenbase.relopt.RelTraitSet

  • cascading.lingual.optiq.CascadingAggregateRule
  • cascading.lingual.optiq.CascadingFilterRule
  • cascading.lingual.optiq.CascadingInsertValuesRule
  • cascading.lingual.optiq.CascadingJoinRule
  • cascading.lingual.optiq.CascadingProjectRule
  • cascading.lingual.optiq.CascadingSortRule
  • cascading.lingual.optiq.CascadingValuesRule
  • cascading.lingual.tap.TapTable
  • net.hydromatic.optiq.impl.jdbc.JdbcToEnumerableConverterRule
  • net.hydromatic.optiq.impl.mongodb.MongoToEnumerableConverterRule
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