Module stats

This module provides data structures to represent statistics

Structs

• ColumnStatistics
  Statistics for a column within a relation
• Statistics
  Statistics for a relation Fields are optional and can be inexact because the sources sometimes provide approximate estimates for performance reasons and the transformations output are not always predictable.

Enums

• Precision
  Represents a value with a degree of certainty. Precision is used to propagate information the precision of statistical values.