SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function greater (children 1)
    ExpressionList (children 2)
     Function identity (children 1)
      ExpressionList (children 1)
       Identifier stamp
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal UInt64_9999999999
