class Activecube::Processor::MeasureTables::Entry

Attributes

cardinality[R]
cost[R]
index[R]
table[R]

Public Class Methods

new(table, index) click to toggle source
# File lib/activecube/processor/measure_tables.rb, line 7
def initialize table, index
  @table = table
  @index = index
  @cardinality = index ? index.cardinality : 0
  @cost = 1.0 / (1.0 + cardinality)
end