How to use

getPredecessorNode

method

in

org.apache.flink.optimizer.dag.SortPartitionNode

@Override
protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
  // sorting does not change the number of records
  this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords();
  this.estimatedOutputSize = getPredecessorNode().getEstimatedOutputSize();
}

@Override
protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
  // sorting does not change the number of records
  this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords();
  this.estimatedOutputSize = getPredecessorNode().getEstimatedOutputSize();
}

@Override
protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
  // sorting does not change the number of records
  this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords();
  this.estimatedOutputSize = getPredecessorNode().getEstimatedOutputSize();
}

@Override
protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
  // sorting does not change the number of records
  this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords();
  this.estimatedOutputSize = getPredecessorNode().getEstimatedOutputSize();
}

@Override
protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) {
  // sorting does not change the number of records
  this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords();
  this.estimatedOutputSize = getPredecessorNode().getEstimatedOutputSize();
}