SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (alias x) (children 1)
     ExpressionList (children 2)
      Literal \'1\'
      Function replaceRegexpAll (children 1)
       ExpressionList (children 3)
        Literal \',,1,,\'
        Literal \'^[,]*|[,]*$\'
        Literal \'\'
