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From Wes McKinney <>
Subject Re: Support for TIMESTAMP_NANOS in parquet-cpp
Date Sat, 20 Oct 2018 16:55:27 GMT
hi Roman,

We would welcome adding such a document to the Arrow wiki As to your other
questions, it really depends on whether there is a member of the
Parquet community who will do the work. Patches that implement any
released functionality in the Parquet format specification are

On Thu, Oct 18, 2018 at 10:59 AM Roman Karlstetter
<> wrote:
> Hi everyone,
> in parquet-format, there is now support for TIMESTAMP_NANOS:
> For parquet-cpp, this is not yet supported. I have a few questions now:
> • is there an overview of what release of parquet-format is currently fully support
in parquet-cpp (something like a feature support matrix)?
> • how fast are new features in parquet-format adopted?
> I think having a document describing the current completeness of implementation of the
spec would be very helpful for users of the parquet-cpp library.
> Thanks,
> Roman

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