Package org.apache.flink.api.common.operators

Examples of org.apache.flink.api.common.operators.Ordering

129
130
131
132
133
134
135
136
137
138
139
        .fieldDelimiter(' ')
        .lenient(true)
        .field(StringValue.class, 0)
        .field(IntValue.class, 1);
     
      Ordering ordering = new Ordering(0, StringValue.class, Order.DESCENDING);
      out.setGlobalOrder(ordering, new SimpleDistribution(new StringValue[] {new StringValue("N")}));
     
      Plan p = new Plan(out, "WordCount Example");
      p.setDefaultParallelism(DEFAULT_PARALLELISM);
 
View Full Code Here
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
  protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
    // for CoGroup, we currently make no reasonable default estimates
  }
 
  private List<OperatorDescriptorDual> initializeDataProperties() {
    Ordering groupOrder1 = null;
    Ordering groupOrder2 = null;
   
    CoGroupOperatorBase<?, ?, ?, ?> cgc = getPactContract();
    groupOrder1 = cgc.getGroupOrderForInputOne();
    groupOrder2 = cgc.getGroupOrderForInputTwo();
     
    if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
      groupOrder1 = null;
    }
    if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
      groupOrder2 = null;
    }
   
    return Collections.<OperatorDescriptorDual>singletonList(new CoGroupDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2));
  }
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
  public boolean areCoFulfilled(RequestedLocalProperties requested1, RequestedLocalProperties requested2,
      LocalProperties produced1, LocalProperties produced2)
  {
    int numRelevantFields = this.keys1.size();
   
    Ordering prod1 = produced1.getOrdering();
    Ordering prod2 = produced2.getOrdering();
   
    if (prod1 == null || prod2 == null || prod1.getNumberOfFields() < numRelevantFields ||
        prod2.getNumberOfFields() < prod2.getNumberOfFields())
    {
      throw new CompilerException("The given properties do not meet this operators requirements.");
    }
     
    for (int i = 0; i < numRelevantFields; i++) {
      if (prod1.getOrder(i) != prod2.getOrder(i)) {
        return false;
      }
    }
    return true;
  }
View Full Code Here
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
  @Override
  public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
    final InterestingProperties iProps = new InterestingProperties();
   
    {
      final Ordering partitioning = getPactContract().getPartitionOrdering();
      final DataDistribution dataDist = getPactContract().getDataDistribution();
      final RequestedGlobalProperties partitioningProps = new RequestedGlobalProperties();
      if (partitioning != null) {
        if(dataDist != null) {
          partitioningProps.setRangePartitioned(partitioning, dataDist);
        } else {
          partitioningProps.setRangePartitioned(partitioning);
        }
        iProps.addGlobalProperties(partitioningProps);
      }
      iProps.addGlobalProperties(partitioningProps);
    }
   
    {
      final Ordering localOrder = getPactContract().getLocalOrder();
      final RequestedLocalProperties orderProps = new RequestedLocalProperties();
      if (localOrder != null) {
        orderProps.setOrdering(localOrder);
      }
      iProps.addLocalProperties(orderProps);
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
  }
 
  @Override
  protected void getSinkSchema(SinkPlanNode sinkPlanNode, SparseKeySchema schema) throws CompilerPostPassException {
    GenericDataSinkBase<?> sink = sinkPlanNode.getSinkNode().getPactContract();
    Ordering partitioning = sink.getPartitionOrdering();
    Ordering sorting = sink.getLocalOrder();
   
    try {
      if (partitioning != null) {
        addOrderingToSchema(partitioning, schema);
      }
View Full Code Here
89
90
91
92
93
94
95
96
97
98
99
      schema.addType(localPositions[i], types[i]);
    }
   
    // this is a temporary fix, we should solve this more generic
    if (contract instanceof GroupReduceOperatorBase) {
      Ordering groupOrder = ((GroupReduceOperatorBase<?, ?, ?>) contract).getGroupOrder();
      if (groupOrder != null) {
        addOrderingToSchema(groupOrder, schema);
      }
    }
  }
View Full Code Here
125
126
127
128
129
130
131
132
133
134
135
136
    }
   
   
    // this is a temporary fix, we should solve this more generic
    if (contract instanceof CoGroupOperatorBase) {
      Ordering groupOrder1 = ((CoGroupOperatorBase<?, ?, ?, ?>) contract).getGroupOrderForInputOne();
      Ordering groupOrder2 = ((CoGroupOperatorBase<?, ?, ?, ?>) contract).getGroupOrderForInputTwo();
     
      if (groupOrder1 != null) {
        addOrderingToSchema(groupOrder1, input1Schema);
      }
      if (groupOrder2 != null) {
View Full Code Here
42
43
44
45
46
47
48
49
50
51
52
      return new FieldList(cols);
    }
  }
 
  public static final Ordering createOrdering(FieldList fields, boolean[] directions) {
    final Ordering o = new Ordering();
    for (int i = 0; i < fields.size(); i++) {
      o.appendOrdering(fields.get(i), null, directions == null || directions[i] ? Order.ASCENDING : Order.DESCENDING);
    }
    return o;
  }
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
    }
    return o;
  }
 
  public static final Ordering createOrdering(FieldList fields) {
    final Ordering o = new Ordering();
    for (int i = 0; i < fields.size(); i++) {
      o.appendOrdering(fields.get(i), null, Order.ANY);
    }
    return o;
  }
View Full Code Here
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
   *
   * @return True, if the resulting properties are non trivial.
   */
  public LocalProperties filterByNodesConstantSet(OptimizerNode node, int input) {
    // check, whether the local order is preserved
    Ordering no = this.ordering;
    FieldList ngf = this.groupedFields;
    Set<FieldSet> nuf = this.uniqueFields;
   
    if (this.ordering != null) {
      final FieldList involvedIndexes = this.ordering.getInvolvedIndexes();
      for (int i = 0; i < involvedIndexes.size(); i++) {
        if (!node.isFieldConstant(input, involvedIndexes.get(i))) {
          if (i == 0) {
            no = null;
            ngf = null;
          } else {
            no = this.ordering.createNewOrderingUpToIndex(i);
            ngf = no.getInvolvedIndexes();
          }
          break;
        }
      }
    }
View Full Code Here
TOP

Related Classes of org.apache.flink.api.common.operators.Ordering

  • org.apache.flink.api.java.operators.GroupReduceOperator
  • org.apache.flink.compiler.dag.CoGroupNode
  • org.apache.flink.compiler.dag.DataSinkNode
  • org.apache.flink.compiler.dag.GroupReduceNode
  • org.apache.flink.compiler.dataproperties.LocalProperties
  • org.apache.flink.compiler.FeedbackPropertiesMatchTest
  • org.apache.flink.compiler.GroupOrderTest
  • org.apache.flink.compiler.operators.CoGroupDescriptor
  • org.apache.flink.compiler.operators.GroupReduceProperties
  • org.apache.flink.compiler.operators.GroupReduceWithCombineProperties
    • Copyright © 2018 www.massapicom. 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.