SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function greater (children 1)
     ExpressionList (children 2)
      Function count (children 1)
       ExpressionList
      Literal UInt64_0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function greater (children 1)
    ExpressionList (children 2)
     Function RAND (children 1)
      ExpressionList
     Literal UInt64_4292390314
