arrow-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Micah Kornfield <>
Subject Re: How to read Parquet “group”/list field in cpp?
Date Mon, 01 Jun 2020 03:31:56 GMT
Hi Alex,
I believe the StreamReader only supports "primitive" optional and required
column types.

There is a SkipColumns method on the StreamReader that I think should work
for skipping over the column (based on the SO question this seems to be a
possibility).  Have you tried that?


On Sun, May 31, 2020 at 7:28 PM Alex Moore - Niemi <>

> Hi all,
> I appreciate your help as a cpp newbie; I've done this in Java and Python
> and have verified my parquet file is valid.
> I am trying to use the StreamReader class in cpp, which works easily and
> perfectly except for one problem... I am unsure how to map the list logical
> type to a type in cpp. The example code in the repo doesn't happen upon
> this case, but the data I deal with makes use of it.
> Appreciate any other examples. Full case is described on SO (see below) if
> what I am asking doesn't make sense.
> Best,
> Alex

View raw message