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