SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function count (children 1)
     ExpressionList
    Function concat (alias type) (children 1)
     ExpressionList (children 3)
      Function dynamicType (children 1)
       ExpressionList (children 1)
        Identifier d
      Literal \':\'
      Function dynamicType (children 1)
       ExpressionList (children 1)
        Identifier d.Tuple(a Dynamic(max_types=2)).a
    Function isDynamicElementInSharedData (alias flag) (children 1)
     ExpressionList (children 1)
      Identifier d.Tuple(a Dynamic(max_types=2)).a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 2)
    Identifier type
    Identifier flag
   ExpressionList (children 2)
    OrderByElement (children 1)
     Function count (children 1)
      ExpressionList
    OrderByElement (children 1)
     Identifier type
