InsertQuery   (children 2)
 Identifier t_subcolumns_if
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function CAST (alias number) (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal \'Nullable(Int64)\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_10000
