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 less (children 1)
    ExpressionList (children 2)
     Function identity (children 1)
      ExpressionList (children 1)
       Identifier stamp
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal Int64_-1
