SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier arr.k1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_json_array
   ExpressionList (children 1)
    Identifier arr.k1
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function toString (children 1)
      ExpressionList (children 1)
       Identifier arr.k1
