[jira] [Created] (ARROW-532) [Python] Expand pyarrow.parquet documentation in advance of 0.2 release
Wes McKinney created ARROW-532: -- Summary: [Python] Expand pyarrow.parquet documentation in advance of 0.2 release Key: ARROW-532 URL: https://issues.apache.org/jira/browse/ARROW-532 Project: Apache Arrow Issue Type: Improvement Components: Python Reporter: Wes McKinney Follow up to ARROW-531 -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Resolved] (ARROW-511) [Python] List[T] conversions not implemented for single arrays
[
https://issues.apache.org/jira/browse/ARROW-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wes McKinney resolved ARROW-511.
Resolution: Fixed
Issue resolved by pull request 320
[https://github.com/apache/arrow/pull/320]
> [Python] List[T] conversions not implemented for single arrays
> --
>
> Key: ARROW-511
> URL: https://issues.apache.org/jira/browse/ARROW-511
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Reporter: Wes McKinney
>Assignee: Uwe L. Korn
>
> It works for tables, though
> {code}
> In [2]: import pyarrow as pa
> In [3]: arr = pa.from_pylist([[1,2,3], None, [1, 2], [], [4]])
> In [4]: arr.to_pandas()
> ---
> ArrowExceptionTraceback (most recent call last)
> in ()
> > 1 arr.to_pandas()
> /home/wesm/code/arrow/python/pyarrow/array.pyx in
> pyarrow.array.Array.to_pandas
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/array.cxx:4271)()
> /home/wesm/code/arrow/python/pyarrow/error.pyx in pyarrow.error.check_status
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/error.cxx:1197)()
> ArrowException: NotImplemented: Arrow type reading not implemented for
> list
> {code}
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[jira] [Resolved] (ARROW-529) Python: Add jemalloc and Python 3.6 to manylinux1 build
[ https://issues.apache.org/jira/browse/ARROW-529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wes McKinney resolved ARROW-529. Resolution: Fixed Issue resolved by pull request 319 [https://github.com/apache/arrow/pull/319] > Python: Add jemalloc and Python 3.6 to manylinux1 build > --- > > Key: ARROW-529 > URL: https://issues.apache.org/jira/browse/ARROW-529 > Project: Apache Arrow > Issue Type: Improvement >Reporter: Uwe L. Korn >Assignee: Uwe L. Korn > -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Assigned] (ARROW-370) Python: Pandas conversion from `datetime.date` columns
[
https://issues.apache.org/jira/browse/ARROW-370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe L. Korn reassigned ARROW-370:
-
Assignee: Uwe L. Korn
> Python: Pandas conversion from `datetime.date` columns
> --
>
> Key: ARROW-370
> URL: https://issues.apache.org/jira/browse/ARROW-370
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
>Reporter: Uwe L. Korn
>Assignee: Uwe L. Korn
> Labels: newbie
>
> It seems to be a common practice to store some columns as Python
> {{datetime.date}} to avoid issues with far future/past dates in Pandas. We
> can natively store this data in Arrow as well in Parquet but there is no
> conversion available yet. A simple way could be to provide a path
> pandas.Series -> numpy.ndarray(datetime64[D]) -> arrow.Array(DATE))
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[jira] [Resolved] (ARROW-370) Python: Pandas conversion from `datetime.date` columns
[
https://issues.apache.org/jira/browse/ARROW-370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe L. Korn resolved ARROW-370.
---
Resolution: Duplicate
> Python: Pandas conversion from `datetime.date` columns
> --
>
> Key: ARROW-370
> URL: https://issues.apache.org/jira/browse/ARROW-370
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
>Reporter: Uwe L. Korn
>Assignee: Uwe L. Korn
> Labels: newbie
>
> It seems to be a common practice to store some columns as Python
> {{datetime.date}} to avoid issues with far future/past dates in Pandas. We
> can natively store this data in Arrow as well in Parquet but there is no
> conversion available yet. A simple way could be to provide a path
> pandas.Series -> numpy.ndarray(datetime64[D]) -> arrow.Array(DATE))
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[jira] [Commented] (ARROW-531) Python: Document jemalloc, extend Pandas section, add Getting Involved
[ https://issues.apache.org/jira/browse/ARROW-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15853302#comment-15853302 ] Uwe L. Korn commented on ARROW-531: --- PR: https://github.com/apache/arrow/pull/321 > Python: Document jemalloc, extend Pandas section, add Getting Involved > -- > > Key: ARROW-531 > URL: https://issues.apache.org/jira/browse/ARROW-531 > Project: Apache Arrow > Issue Type: New Feature > Components: Python >Reporter: Uwe L. Korn >Assignee: Uwe L. Korn > > Some pre-release documentation additions. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Created] (ARROW-531) Python: Document jemalloc, extend Pandas section, add Getting Involved
Uwe L. Korn created ARROW-531: - Summary: Python: Document jemalloc, extend Pandas section, add Getting Involved Key: ARROW-531 URL: https://issues.apache.org/jira/browse/ARROW-531 Project: Apache Arrow Issue Type: New Feature Components: Python Reporter: Uwe L. Korn Assignee: Uwe L. Korn Some pre-release documentation additions. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Commented] (ARROW-511) [Python] List[T] conversions not implemented for single arrays
[
https://issues.apache.org/jira/browse/ARROW-511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15853199#comment-15853199
]
Uwe L. Korn commented on ARROW-511:
---
PR: https://github.com/apache/arrow/pull/320
> [Python] List[T] conversions not implemented for single arrays
> --
>
> Key: ARROW-511
> URL: https://issues.apache.org/jira/browse/ARROW-511
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Reporter: Wes McKinney
>Assignee: Uwe L. Korn
>
> It works for tables, though
> {code}
> In [2]: import pyarrow as pa
> In [3]: arr = pa.from_pylist([[1,2,3], None, [1, 2], [], [4]])
> In [4]: arr.to_pandas()
> ---
> ArrowExceptionTraceback (most recent call last)
> in ()
> > 1 arr.to_pandas()
> /home/wesm/code/arrow/python/pyarrow/array.pyx in
> pyarrow.array.Array.to_pandas
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/array.cxx:4271)()
> /home/wesm/code/arrow/python/pyarrow/error.pyx in pyarrow.error.check_status
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/error.cxx:1197)()
> ArrowException: NotImplemented: Arrow type reading not implemented for
> list
> {code}
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[jira] [Commented] (ARROW-529) Python: Add jemalloc and Python 3.6 to manylinux1 build
[ https://issues.apache.org/jira/browse/ARROW-529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15853191#comment-15853191 ] Uwe L. Korn commented on ARROW-529: --- PR: https://github.com/apache/arrow/pull/319 > Python: Add jemalloc and Python 3.6 to manylinux1 build > --- > > Key: ARROW-529 > URL: https://issues.apache.org/jira/browse/ARROW-529 > Project: Apache Arrow > Issue Type: Improvement >Reporter: Uwe L. Korn >Assignee: Uwe L. Korn > -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Created] (ARROW-529) Python: Add jemalloc and Python 3.6 to manylinux1 build
Uwe L. Korn created ARROW-529: - Summary: Python: Add jemalloc and Python 3.6 to manylinux1 build Key: ARROW-529 URL: https://issues.apache.org/jira/browse/ARROW-529 Project: Apache Arrow Issue Type: Improvement Reporter: Uwe L. Korn Assignee: Uwe L. Korn -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Assigned] (ARROW-511) [Python] List[T] conversions not implemented for single arrays
[
https://issues.apache.org/jira/browse/ARROW-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe L. Korn reassigned ARROW-511:
-
Assignee: Uwe L. Korn
> [Python] List[T] conversions not implemented for single arrays
> --
>
> Key: ARROW-511
> URL: https://issues.apache.org/jira/browse/ARROW-511
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
>Reporter: Wes McKinney
>Assignee: Uwe L. Korn
>
> It works for tables, though
> {code}
> In [2]: import pyarrow as pa
> In [3]: arr = pa.from_pylist([[1,2,3], None, [1, 2], [], [4]])
> In [4]: arr.to_pandas()
> ---
> ArrowExceptionTraceback (most recent call last)
> in ()
> > 1 arr.to_pandas()
> /home/wesm/code/arrow/python/pyarrow/array.pyx in
> pyarrow.array.Array.to_pandas
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/array.cxx:4271)()
> /home/wesm/code/arrow/python/pyarrow/error.pyx in pyarrow.error.check_status
> (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/error.cxx:1197)()
> ArrowException: NotImplemented: Arrow type reading not implemented for
> list
> {code}
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[jira] [Resolved] (ARROW-458) Python: Expose jemalloc MemoryPool
[
https://issues.apache.org/jira/browse/ARROW-458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe L. Korn resolved ARROW-458.
---
Resolution: Fixed
Issue resolved by pull request 315
https://github.com/apache/arrow/pull/315
> Python: Expose jemalloc MemoryPool
> --
>
> Key: ARROW-458
> URL: https://issues.apache.org/jira/browse/ARROW-458
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
>Reporter: Uwe L. Korn
>Assignee: Uwe L. Korn
>
> Expose the {{jemalloc::MemoryPool}} to Python users as a separate
> {{pyarrow.jemalloc}} module.
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