Class: ActiveRecord::Relation::FromClause

Inherits:
Object
  • Object
show all
Defined in:
activerecord/lib/active_record/relation/from_clause.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value, name) ⇒ FromClause

Returns a new instance of FromClause.



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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 8

def initialize(value, name)
  @value = value
  @name = name
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name



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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 6

def name
  @name
end

#value ⇒ Object (readonly)

Returns the value of attribute value



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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 6

def value
  @value
end

Class Method Details

.empty ⇒ Object 



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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 21

def self.empty
  @empty ||= new(nil, nil).freeze
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 17

def empty?
  value.nil?
end

#merge(other) ⇒ Object 



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# File 'activerecord/lib/active_record/relation/from_clause.rb', line 13

def merge(other)
  self
end