SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier s
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier buffer_table1__fuzz_24
   Function factorial (children 1)
    ExpressionList (children 1)
     Function toNullable (children 1)
      ExpressionList (children 1)
       Literal UInt64_10
