Module: Arel::JSONPredications

Defined in:
lib/arel/json_predications.rb

Instance Method Summary collapse

Instance Method Details

#cast_as(type) ⇒ Object 



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# File 'lib/arel/json_predications.rb', line 24

def cast_as(type)
  Arel::Attributes::Cast.new(self, type)
end

#dig(*keys) ⇒ Object 



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# File 'lib/arel/json_predications.rb', line 28

def dig(*keys)
  keys = keys[0] if keys.size == 1 && keys.first.is_a?(Array)
  
  if keys.empty?
    self
  else
    keys.inject(self) { |node, key| Arel::Attributes::Key.new(node, key) }
  end
end

#has_any_key(*keys) ⇒ Object 



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# File 'lib/arel/json_predications.rb', line 20

def has_any_key(*keys)
  Arel::Nodes::HasAnyKey.new(self, keys)
end

#has_key(key) ⇒ Object 



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# File 'lib/arel/json_predications.rb', line 12

def has_key(key)
  Arel::Nodes::HasKey.new(self, key)
end

#has_keys(*keys) ⇒ Object 



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# File 'lib/arel/json_predications.rb', line 16

def has_keys(*keys)
  Arel::Nodes::HasKeys.new(self, keys)
end

#key(key) ⇒ Object Also known as: [], index 



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# File 'lib/arel/json_predications.rb', line 6

def key(key)
  Arel::Attributes::Key.new(self, key)
end