Class: DB::Model::Statement::Tuple

Inherits:
Object
  • Object
show all
Defined in:
lib/db/model/statement/tuple.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(values) ⇒ Tuple

Returns a new instance of Tuple.



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# File 'lib/db/model/statement/tuple.rb', line 27

def initialize(values)
	@values = values
end

Instance Attribute Details

#values ⇒ Object (readonly)

Returns the value of attribute values.



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# File 'lib/db/model/statement/tuple.rb', line 31

def values
  @values
end

Instance Method Details

#append_to(statement) ⇒ Object 



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# File 'lib/db/model/statement/tuple.rb', line 33

def append_to(statement)
	first = true
	
	statement.clause("(")
	@values.each do |value|
		statement.clause(",") unless first
		first = false
		
		statement.literal(value)
	end
	statement.clause(")")
	
	return statement
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/db/model/statement/tuple.rb', line 48

def eql?(other)
	self.class.eql?(other.class) && self.values.eql?(other.values)
end

#hash ⇒ Object 



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# File 'lib/db/model/statement/tuple.rb', line 52

def hash
	[self.class, @values].hash
end