Sha256: 67197f89c8fd7ac1529a2736143f46785a2cbcb1c9181e9ab812661b42647660
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Size: 771 Bytes
Versions: 9
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Stored size: 771 Bytes
Contents
module ActiveReporter
module Aggregator
class Ratio < ActiveReporter::Aggregator::Base
attr_reader :numerator, :denominator
def function
"(#{numerator}/NULLIF(#{denominator},0))"
end
private
def numerator
raise "Ratio aggregator must specify a numerator column" unless opts.include?(:numerator)
@numerator = report.aggregators[opts[:numerator].to_sym].try(:function) || "#{report.table_name}.#{opts[:numerator]}"
end
def denominator
raise "Ratio aggregator must specify a denominator column" unless opts.include?(:denominator)
@denominator = report.aggregators[opts[:denominator].to_sym].try(:function) || "#{report.table_name}.#{opts[:denominator]}"
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems