示例#1
0
 /**
  * @brief Calulate the partition id into which the attribute value
  *        should be inserted.
  *
  * @param value_of_attribute The attribute value for which the
  *                           partition id is to be determined.
  * @return The partition id of the partition for the attribute value.
  **/
 const partition_id getPartitionId(
     const TypedValue &value_of_attribute) const override {
   // TODO(gerald): Optimize for the case where the number of partitions is a
   // power of 2. We can just mask out the lower-order hash bits rather than
   // doing a division operation.
   return value_of_attribute.getHash() % num_partitions_;
 }