Class: Piglet::Field::Literal

Inherits:
Object
  • Object
show all
Includes:
Field
Defined in:
lib/piglet/field/literal.rb

Constant Summary

Constants included from Field

Field::FUNCTIONS, Field::SYMBOLIC_OPERATORS

Instance Attribute Summary

Attributes included from Field

#name, #predecessors, #type

Instance Method Summary collapse

Methods included from Field

#and, #as, #cast, #diff, #distinct, #empty?, #field, #field_alias, #filter, #flatten, #generate_field_alias, #get, #limit, #matches, #ne, #neg, #not, #not_null?, #null?, #or, #order, #sample

Constructor Details

#initialize(obj, options = nil) ⇒ Literal

Returns a new instance of Literal.



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# File 'lib/piglet/field/literal.rb', line 8

def initialize(obj, options=nil)
  options ||= {}
  @obj = obj
  @type = options[:type] || literal_type(obj)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/piglet/field/literal.rb', line 14

def to_s
  case @obj
  when Numeric
    @obj.to_s
  else
    "'#{escape(@obj.to_s)}'"
  end
end