visit_Arel_Nodes_Exists

# File activerecord/lib/arel/visitors/to_sql.rb, line 76
        def visit_Arel_Nodes_Exists(o, collector)
          collector << "EXISTS ("
          collector = visit(o.expressions, collector) << ")"
          if o.alias
            collector << " AS "
            visit o.alias, collector
          else
            collector
          end
        end