/** * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5; } }
/** * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5; } }
/** * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5; } }
/** * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5; } }
/** * Computes the estimates for the FlatMap operator. Since it un-nests, we assume a cardinality * increase. To give the system a hint at data increase, we take a default magic number of a 5 times increase. */ @Override protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics) { this.estimatedNumRecords = getPredecessorNode().getEstimatedNumRecords() * 5; } }