PlanPartitioner::PlanPartitioner(const Partitioner& partitioner) {
partition_func_ = partitioner.getPartitionFunction();
partition_key_ = partitioner.getPartitionKey();
for (unsigned i = 0; i < partitioner.getNumberOfPartitions(); i++) {
PlanPartitionInfo plan_partition_info;
plan_partition_info.cardinality_ = partitioner.getPartitionCardinality(i);
plan_partition_info.location_ = partitioner.getPartitionLocation(i);
plan_partition_info.partition_id_ = i;
partition_list_.push_back(plan_partition_info);
}
}
DataflowPartitioningDescriptor::DataflowPartitioningDescriptor(const Partitioner& partitioner){
partition_function_=partitioner.getPartitionFunction();
partition_key_=partitioner.getPartitionKey();
for(unsigned i=0;i<partitioner.getNumberOfPartitions();i++){
DataflowPartition dataflow_partition;
dataflow_partition.datasize_=partitioner.getPartitionDataSize(i);
dataflow_partition.location_=partitioner.getPartitionLocation(i);
dataflow_partition.partition_id_=i;
partition_list_.push_back(dataflow_partition);
}
}
bool Partitioner::hasSamePartitionLocation(const Partitioner & target_partition )const{
if(mode_==OneToMany||target_partition.get_binding_mode_()==OneToMany){
/** in the current version, any the location detection in OneToMany mode is ommited.*/
return false;
}
if(getNumberOfPartitions()!=target_partition.getNumberOfPartitions())
return false;
for(unsigned i=0;i<getNumberOfPartitions();i++){
if(!partition_info_list[i]->is_colocated(*target_partition.partition_info_list[i])){
return false;
}
}
return true;
}
