/** * Computes the estimates for the Map operator. * We assume that by default, Map takes one value and transforms it into another value. * The cardinality consequently stays the same. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords(); } }
/** * Computes the estimates for the Map operator. * We assume that by default, Map takes one value and transforms it into another value. * The cardinality consequently stays the same. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords(); } }
/** * Computes the estimates for the Map operator. * We assume that by default, Map takes one value and transforms it into another value. * The cardinality consequently stays the same. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords(); } }
/** * Computes the estimates for the Map operator. * We assume that by default, Map takes one value and transforms it into another value. * The cardinality consequently stays the same. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords(); } }
/** * Computes the estimates for the Map operator. * We assume that by default, Map takes one value and transforms it into another value. * The cardinality consequently stays the same. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords(); } }