Module: Arel

Defined in:
lib/arel_extensions.rb

Class Method Summary collapse

Class Method Details

.duration(s, expr) ⇒ Object 



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# File 'lib/arel_extensions.rb', line 92

def self.duration s, expr
  ArelExtensions::Nodes::Duration.new(s.to_s+'i',expr)
end

.false ⇒ Object 



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# File 'lib/arel_extensions.rb', line 100

def self.false
  Arel::Nodes::Equality.new(1,0)
end

.json(*expr) ⇒ Object 



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# File 'lib/arel_extensions.rb', line 80

def self.json *expr
  if expr.length == 1
    ArelExtensions::Nodes::Json.new(expr.first)
  else
    ArelExtensions::Nodes::Json.new(expr)
  end
end

.rand ⇒ Object 



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# File 'lib/arel_extensions.rb', line 72

def self.rand
  ArelExtensions::Nodes::Rand.new
end

.shorten(s) ⇒ Object 



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# File 'lib/arel_extensions.rb', line 76

def self.shorten s
  Base64.urlsafe_encode64(Digest::MD5.new.digest(s)).tr('=', '').tr('-', '_')
end

.true ⇒ Object 



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# File 'lib/arel_extensions.rb', line 96

def self.true
  Arel::Nodes::Equality.new(1,1)
end

.when(condition) ⇒ Object 



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# File 'lib/arel_extensions.rb', line 88

def self.when condition
  ArelExtensions::Nodes::Case.new.when(condition)
end