Philipp Moritz created ARROW-3721:
-
Summary: [Gandiva] [Python] Support all Gandiva literals
Key: ARROW-3721
URL: https://issues.apache.org/jira/browse/ARROW-3721
Project: Apache Arrow
Issue
Antoine Pitrou created ARROW-3722:
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Summary: [C++] Allow specifying column types to CSV reader
Key: ARROW-3722
URL: https://issues.apache.org/jira/browse/ARROW-3722
Project: Apache Arrow
Issu
Philipp Moritz created ARROW-3718:
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Summary: [Gandiva] Remove spurious gtest include
Key: ARROW-3718
URL: https://issues.apache.org/jira/browse/ARROW-3718
Project: Apache Arrow
Issue Type: Im
Within OmniSci (MapD), we have the following code that takes a pointer
and length and reads to a NumPy array before calling py_buffer:
https://github.com/omnisci/pymapd/blob/master/pymapd/shm.pyx#L31-L52
Is it possible to eliminate the NumPy step and go directly do an Arrow
buffer? There is bo
You should be able to use pa.foreign_buffer():
https://arrow.apache.org/docs/python/generated/pyarrow.foreign_buffer.html#pyarrow.foreign_buffer
Regards
Antoine.
Le 08/11/2018 à 18:49, Randy Zwitch a écrit :
> Within OmniSci (MapD), we have the following code that takes a pointer
> and lengt
Yes, see pyarrow.foreign_buffer
If this isn't in the documentation, could you open a JIRA to fix that?
Thanks
Wes
On Thu, Nov 8, 2018, 11:53 AM Randy Zwitch Within OmniSci (MapD), we have the following code that takes a pointer
> and length and reads to a NumPy array before calling py_buffer:
>
Wes McKinney created ARROW-3727:
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Summary: [Python] Document use of pyarrow.foreign_buffer in Sphinx
Key: ARROW-3727
URL: https://issues.apache.org/jira/browse/ARROW-3727
Project: Apache Arrow
Hi,
For host memory, you can use pyarrow.foreign_buffer, see
https://arrow.apache.org/docs/python/generated/pyarrow.foreign_buffer.html
For device memory, one can use pyarrow.cuda.foreign_buffer.
HTH,
Pearu
On Thu, Nov 8, 2018 at 7:53 PM Randy Zwitch
wrote:
> Within OmniSci (MapD), we have
nevi_me created ARROW-3726:
--
Summary: [Rust] CSV Reader & Writer
Key: ARROW-3726
URL: https://issues.apache.org/jira/browse/ARROW-3726
Project: Apache Arrow
Issue Type: New Feature
Compone
Micah Williamson created ARROW-3728:
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Summary: Merging Parquet Files - Pandas Meta in Schema Mismatch
Key: ARROW-3728
URL: https://issues.apache.org/jira/browse/ARROW-3728
Project: Apache Arrow
Hello Randy,
you are looking for
https://arrow.apache.org/docs/python/generated/pyarrow.foreign_buffer.html#pyarrow.foreign_buffer
This takes an address, size and a Python object for having a reference on the
object. In your case the last one can be None. Note that this will not do a
copy and
Thanks Uwe, Wes, Pearu and Antoine. This is in the pyarrow docs, but no
example, so I'll open up a JIRA so that it might be more obvious the
next person.
On 11/8/18 12:59 PM, Uwe L. Korn wrote:
Hello Randy,
you are looking for
https://arrow.apache.org/docs/python/generated/pyarrow.foreign_b
I opened https://issues.apache.org/jira/browse/ARROW-3727 about adding
examples. I will mention to add an example for CUDA also
On Thu, Nov 8, 2018 at 2:30 PM Randy Zwitch wrote:
>
> Thanks Uwe, Wes, Pearu and Antoine. This is in the pyarrow docs, but no
> example, so I'll open up a JIRA so that i
The Project Management Committee (PMC) for Apache Arrow has invited
Krisztián Szűcs to become a PMC member and we are pleased to announce
that he has accepted.
Congratulations and welcome, Krisztián!
Yosuke Shiro created ARROW-3724:
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Summary: [GLib] Update gitignore
Key: ARROW-3724
URL: https://issues.apache.org/jira/browse/ARROW-3724
Project: Apache Arrow
Issue Type: Improvement
On behalf of the Arrow PMC, I'm happy to announce that Romain
François, Sebastien Binet, and Yosuke Shiro have been invited to be
committers on the project.
Welcome, and thanks for your contributions!
Congrats and welcome Krisztián!
On Thu, Nov 8, 2018 at 11:48 AM Wes McKinney wrote:
> The Project Management Committee (PMC) for Apache Arrow has invited
> Krisztián Szűcs to become a PMC member and we are pleased to announce
> that he has accepted.
>
> Congratulations and welcome, Krisztián!
>
It's nice to have new people onboard. Welcome everyone :-)
Le 08/11/2018 à 20:56, Wes McKinney a écrit :
> On behalf of the Arrow PMC, I'm happy to announce that Romain
> François, Sebastien Binet, and Yosuke Shiro have been invited to be
> committers on the project.
>
> Welcome, and thanks fo
Welcome everybody!
On Thu, Nov 8, 2018 at 12:57 PM Antoine Pitrou wrote:
>
> It's nice to have new people onboard. Welcome everyone :-)
>
> Le 08/11/2018 à 20:56, Wes McKinney a écrit :
> > On behalf of the Arrow PMC, I'm happy to announce that Romain
> > François, Sebastien Binet, and Yosuke S
Welcome to all of you!
On Thu, Nov 8, 2018, at 8:56 PM, Wes McKinney wrote:
> On behalf of the Arrow PMC, I'm happy to announce that Romain
> François, Sebastien Binet, and Yosuke Shiro have been invited to be
> committers on the project.
>
> Welcome, and thanks for your contributions!
Congratulations Krisztián!
On Thu, Nov 8, 2018, at 9:56 PM, Philipp Moritz wrote:
> Congrats and welcome Krisztián!
>
> On Thu, Nov 8, 2018 at 11:48 AM Wes McKinney wrote:
>
> > The Project Management Committee (PMC) for Apache Arrow has invited
> > Krisztián Szűcs to become a PMC member and we
Kouhei Sutou created ARROW-3725:
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Summary: [GLib] Add field readers to GArrowStructDataType
Key: ARROW-3725
URL: https://issues.apache.org/jira/browse/ARROW-3725
Project: Apache Arrow
Issue Typ
Yosuke Shiro created ARROW-3723:
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Summary: [Plasma] [Ruby] Add Ruby bindings of Plasma
Key: ARROW-3723
URL: https://issues.apache.org/jira/browse/ARROW-3723
Project: Apache Arrow
Issue Type: Ne
Kouhei Sutou created ARROW-3720:
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Summary: [GLib] Use "indices" instead of "indexes"
Key: ARROW-3720
URL: https://issues.apache.org/jira/browse/ARROW-3720
Project: Apache Arrow
Issue Type: Impr
Emmett McQuinn created ARROW-3717:
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Summary: Add GCSFSWrapper for DaskFileSystem
Key: ARROW-3717
URL: https://issues.apache.org/jira/browse/ARROW-3717
Project: Apache Arrow
Issue Type: New Fe
hey Matt,
Thanks for giving your perspective on the mailing list.
My objective in writing about this recently
(http://wesmckinney.com/blog/bitmaps-vs-sentinel-values/, though I
need to update since the sentinel case can be done more efficiently
than what's there now) was to help dispel the notion
Welcome!
On Thu, Nov 8, 2018 at 4:01 PM Uwe L. Korn wrote:
> Welcome to all of you!
>
> On Thu, Nov 8, 2018, at 8:56 PM, Wes McKinney wrote:
> > On behalf of the Arrow PMC, I'm happy to announce that Romain
> > François, Sebastien Binet, and Yosuke Shiro have been invited to be
> > committers on
Congrats!
On Thu, Nov 8, 2018 at 4:02 PM Uwe L. Korn wrote:
> Congratulations Krisztián!
>
> On Thu, Nov 8, 2018, at 9:56 PM, Philipp Moritz wrote:
> > Congrats and welcome Krisztián!
> >
> > On Thu, Nov 8, 2018 at 11:48 AM Wes McKinney
> wrote:
> >
> > > The Project Management Committee (PMC)
Wes McKinney created ARROW-3730:
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Summary: [Python] Output a representation of pyarrow.Schema that
can be used to reconstruct a schema in a script
Key: ARROW-3730
URL: https://issues.apache.org/jira/browse/ARROW-373
Wes McKinney created ARROW-3731:
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Summary: [R] R API for reading and writing Parquet files
Key: ARROW-3731
URL: https://issues.apache.org/jira/browse/ARROW-3731
Project: Apache Arrow
Issue Type
Wes McKinney created ARROW-3729:
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Summary: [C++] Support for writing TIMESTAMP_NANOS Parquet metadata
Key: ARROW-3729
URL: https://issues.apache.org/jira/browse/ARROW-3729
Project: Apache Arrow
I opened an issue here
https://issues.apache.org/jira/browse/ARROW-3729. Patches would be
welcome
On Sat, Oct 20, 2018 at 12:55 PM Wes McKinney wrote:
>
> hi Roman,
>
> We would welcome adding such a document to the Arrow wiki
> https://cwiki.apache.org/confluence/display/ARROW. As to your other
>
Wes McKinney created ARROW-3732:
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Summary: [R] Add functions to write RecordBatch or Schema to
Message value, then read back
Key: ARROW-3732
URL: https://issues.apache.org/jira/browse/ARROW-3732
Project
There is one database that I'm aware of that uses sentinels _and_ supports
complex types with missing values: Kx's KDB+. This has led to some
seriously strange choices like the ASCII space character being used as the
sentinel value for strings. See
https://code.kx.com/wiki/Reference/Datatypes for
m
Kouhei Sutou created ARROW-3733:
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Summary: [GLib] Add to_string() to GArrowTable and GArrowColumn
Key: ARROW-3733
URL: https://issues.apache.org/jira/browse/ARROW-3733
Project: Apache Arrow
Iss
I would be willing to implement that. I’ll probably need some advice on my
patch though, as I’m fairly new to the parquet code.
Roman
Von: Wes McKinney
Gesendet: Donnerstag, 8. November 2018 23:22
An: dev@arrow.apache.org
Betreff: Re: Support for TIMESTAMP_NANOS in parquet-cpp
I opened an issue
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