module Arel module Visitors module BindVisitor def initialize target @block = nil super end def accept node, collector, &block @block = block if block_given? super end private def visit_Arel_Nodes_Assignment o, collector if o.right.is_a? Arel::Nodes::BindParam collector = visit o.left, collector collector << " = " visit o.right, collector else super end end def visit_Arel_Nodes_BindParam o, collector if @block @block.call(collector) else super end end end end end