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 \'\'