Module: ActiveRecord::ConnectionAdapters::DetermineIfPreparableVisitor

Defined in:
lib/active_record/connection_adapters/determine_if_preparable_visitor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#preparable ⇒ Object

Returns the value of attribute preparable.



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# File 'lib/active_record/connection_adapters/determine_if_preparable_visitor.rb', line 6

def preparable
  @preparable
end

Instance Method Details

#accept ⇒ Object 



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# File 'lib/active_record/connection_adapters/determine_if_preparable_visitor.rb', line 8

def accept(*)
  @preparable = true
  super
end

#visit_Arel_Nodes_In(o, collector) ⇒ Object 



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# File 'lib/active_record/connection_adapters/determine_if_preparable_visitor.rb', line 13

def visit_Arel_Nodes_In(o, collector)
  @preparable = false

  if Array === o.right && !o.right.empty?
    o.right.delete_if do |bind|
      if Arel::Nodes::BindParam === bind && Relation::QueryAttribute === bind.value
        !bind.value.boundable?
      end
    end
  end

  super
end

#visit_Arel_Nodes_SqlLiteral ⇒ Object 



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# File 'lib/active_record/connection_adapters/determine_if_preparable_visitor.rb', line 27

def visit_Arel_Nodes_SqlLiteral(*)
  @preparable = false
  super
end