Examples of RelNode

Examples of org.eigenbase.rel.RelNode

36
37
38
39
40
41
42
43
44
45
46
47
  }

  @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);
  }
View Full Code Here

Examples of org.eigenbase.rel.RelNode

74
75
76
77
78
79
80
81
82
83
84
85
 
  public static RelNode convert(Order order, ConversionContext context) throws InvalidRelException{
   
    // if there are compound expressions in the order by, we need to convert into projects on either side.
    RelNode input = context.toRel(order.getInput());
    List<String> fields = input.getRowType().getFieldNames();

    // build a map of field names to indices.
    Map<String, Integer> fieldMap = Maps.newHashMap();
    int i =0;
    for(String field : fields){
View Full Code Here

Examples of org.eigenbase.rel.RelNode

48
49
50
51
52
53
54
55
56
57
58
59
  }
 
  @Override
  public void onMatch(RelOptRuleCall call) {
    final DrillJoinRel join = (DrillJoinRel) call.rel(0);
    final RelNode left = join.getLeft();
    final RelNode right = join.getRight();
   
    if (!checkPreconditions(join, left, right)) {
      return;
    }
   
View Full Code Here

Examples of org.eigenbase.rel.RelNode

41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
  }

  @Override
  public void onMatch(RelOptRuleCall call) {
    final AggregateRel aggregate = (AggregateRel) call.rel(0);
    final RelNode input = call.rel(1);

    if (aggregate.containsDistinctCall()) {
      // currently, don't use this rule if any of the aggregates contains DISTINCT
      return;
    }

    final RelTraitSet traits = aggregate.getTraitSet().plus(DrillRel.DRILL_LOGICAL);
    final RelNode convertedInput = convert(input, input.getTraitSet().plus(DrillRel.DRILL_LOGICAL));
    try {
      call.transformTo(new DrillAggregateRel(aggregate.getCluster(), traits, convertedInput, aggregate.getGroupSet(),
          aggregate.getAggCallList()));
    } catch (InvalidRelException e) {
      tracer.warning(e.toString());
View Full Code Here

Examples of org.eigenbase.rel.RelNode

63
64
65
66
67
68
69
70
71
72
73
    }
    return builder.build();
  }

  public static DrillProjectRel convert(Project project, ConversionContext context) throws InvalidRelException{
    RelNode input = context.toRel(project.getInput());
    List<RelDataTypeField> fields = Lists.newArrayList();
    List<RexNode> exps = Lists.newArrayList();
    for(NamedExpression expr : project.getSelections()){
      fields.add(new RelDataTypeFieldImpl(expr.getRef().getRootSegment().getPath(), fields.size(), context.getTypeFactory().createSqlType(SqlTypeName.ANY) ));
      exps.add(context.toRex(expr.getExpr()));
View Full Code Here

Examples of org.eigenbase.rel.RelNode

63
64
65
66
67
68
69
70
71
72
73
74
75
  @Override
  public RelOptCost computeSelfCost(RelOptPlanner planner) {
    if(PrelUtil.getSettings(getCluster()).useDefaultCosting()) {
      return super.computeSelfCost(planner).multiplyBy(.1);
    }
    RelNode child = this.getChild();
    double inputRows = RelMetadataQuery.getRowCount(child);
    int  rowWidth = child.getRowType().getFieldCount() * DrillCostBase.AVG_FIELD_WIDTH;
    double svrCpuCost = DrillCostBase.SVR_CPU_COST * inputRows;
    double networkCost = DrillCostBase.BYTE_NETWORK_COST * inputRows * rowWidth;
    int numEndPoints = PrelUtil.getSettings(getCluster()).numEndPoints();
    double mergeCpuCost = DrillCostBase.COMPARE_CPU_COST * inputRows * (Math.log(numEndPoints)/Math.log(2));
    DrillCostFactory costFactory = (DrillCostFactory)planner.getCostFactory();
View Full Code Here

Examples of org.eigenbase.rel.RelNode

73
74
75
76
77
78
79
80
81
82
83
  public RelOptCost computeSelfCost(RelOptPlanner planner) {
    if(PrelUtil.getSettings(getCluster()).useDefaultCosting()) {
      //We use multiplier 0.05 for TopN operator, and 0.1 for Sort, to make TopN a preferred choice.
      return super.computeSelfCost(planner).multiplyBy(0.05);
    }
    RelNode child = this.getChild();
    double inputRows = RelMetadataQuery.getRowCount(child);
    int numSortFields = this.collation.getFieldCollations().size();
    double cpuCost = DrillCostBase.COMPARE_CPU_COST * numSortFields * inputRows * (Math.log(limit)/Math.log(2));
    double diskIOCost = 0; // assume in-memory for now until we enforce operator-level memory constraints
    DrillCostFactory costFactory = (DrillCostFactory)planner.getCostFactory();
View Full Code Here

Examples of org.eigenbase.rel.RelNode

53
54
55
56
57
58
59
60
61
62
63
    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);   
      }
     
      traits = call.getPlanner().emptyTraitSet().plus(Prel.DRILL_PHYSICAL).plus(DrillDistributionTrait.SINGLETON);
      UnionDistinctPrel unionDistinct = new UnionDistinctPrel(union.getCluster(), traits, convertedInputList);
View Full Code Here

Examples of org.eigenbase.rel.RelNode

51
52
53
54
55
56
57
58
59
60
61
62
63
64
  public RelOptCost computeSelfCost(RelOptPlanner planner) {
    if(PrelUtil.getSettings(getCluster()).useDefaultCosting()) {
      return super.computeSelfCost(planner).multiplyBy(.1);
    }

    RelNode child = this.getChild();

    double inputRows = RelMetadataQuery.getRowCount(child);
    int  rowWidth = child.getRowType().getFieldCount() * DrillCostBase.AVG_FIELD_WIDTH;
    double cpuCost = DrillCostBase.SVR_CPU_COST * inputRows ;
    int numEndPoints = PrelUtil.getSettings(getCluster()).numEndPoints();
    double networkCost = DrillCostBase.BYTE_NETWORK_COST * inputRows * rowWidth * numEndPoints;
    return new DrillCostBase(inputRows, cpuCost, 0, networkCost);
  }
View Full Code Here

Examples of org.eigenbase.rel.RelNode

113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
  @Override
  public PhysicalPlan getPlan(SqlNode sqlNode) throws ValidationException, RelConversionException, IOException {

    SqlNode rewrittenSqlNode = rewrite(sqlNode);
    SqlNode validated = validateNode(rewrittenSqlNode);
    RelNode rel = convertToRel(validated);

    /* Traverse the tree and replace the convert_from, convert_to function to actual implementations
     * Eg: convert_from(EXPR, 'JSON') be converted to convert_fromjson(EXPR);
     * TODO: Ideally all function rewrites would move here instead of DrillOptiq
     */
    rel = rel.accept(new RewriteProjectRel(planner.getTypeFactory(), context.getDrillOperatorTable()));
    log("Optiq Logical", rel);
    DrillRel drel = convertToDrel(rel);
    log("Drill Logical", drel);
    Prel prel = convertToPrel(drel);
    log("Drill Physical", prel);
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.