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