Module: ActiveRecord::Refined::AST::Aggregations

Included in:
Arithmetic, Column, Value
Defined in:
lib/active_record/refined/ast.rb

Overview

Aggregate builders shared by symbols, qualified columns and expressions. Imported into the Symbol refinement like Predications, so every method must be defined with def.

Instance Method Summary collapse

Instance Method Details

#average ⇒ Object 



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# File 'lib/active_record/refined/ast.rb', line 207

def average
  Aggregate.new(self, :average)
end

#count(distinct: false) ⇒ Object

DISTINCT is Arel's only aggregate modifier, and only for count.



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# File 'lib/active_record/refined/ast.rb', line 199

def count(distinct: false)
  Aggregate.new(self, :count, distinct: distinct)
end

#maximum ⇒ Object 



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# File 'lib/active_record/refined/ast.rb', line 211

def maximum
  Aggregate.new(self, :maximum)
end

#minimum ⇒ Object 



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# File 'lib/active_record/refined/ast.rb', line 215

def minimum
  Aggregate.new(self, :minimum)
end

#sum ⇒ Object 



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# File 'lib/active_record/refined/ast.rb', line 203

def sum
  Aggregate.new(self, :sum)
end