index

Type Members

1. class Attribute[T] extends AnyRef

   

   Attribute interface to collect and check statistics.

   Attribute interface to collect and check statistics. Included support of different combinations of collected parameters: count, min/max, and set of values through bit vector. Here are some common flags: 7 - enable all parameters, 1 - enable count, 6 - enable min/max and set. In order to create attribute comparison function is required similar the lt function used in sortWith method. Name must unique to the attribute.

2. case class StatisticsPathResolver(maybeRoot: Option[String]) extends Product with Serializable

   

   StatisticsPathResolver is a simple class to find the statistics path based on a file path.

   StatisticsPathResolver is a simple class to find the statistics path based on a file path. Also takes into account possible root to store/read statistics. Note that root may not necessarily exist.

3. case class StatisticsPathStatus(path: String, exists: Boolean) extends Product with Serializable

   

   StatisticsPathStatus is a holder of the parameters for statistics file.

   StatisticsPathStatus is a holder of the parameters for statistics file. path is a fully-qualified file path, either HDFS or local file system, and exists indicates if file for that path exists.