[jira] [Updated] (ARROW-1731) [Python] Provide for selecting a subset of columns to convert in RecordBatch/Table.from_pandas
[
https://issues.apache.org/jira/browse/ARROW-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated ARROW-1731:
--
Labels: beginner pull-request-available (was: beginner)
> [Python] Provide for selecting a subset of columns to convert in
> RecordBatch/Table.from_pandas
> --
>
> Key: ARROW-1731
> URL: https://issues.apache.org/jira/browse/ARROW-1731
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
>Reporter: Wes McKinney
>Priority: Major
> Labels: beginner, pull-request-available
> Fix For: 0.10.0
>
>
> Currently it's all-or-nothing, and to do the subsetting in pandas incurs a
> data copy. This would enable columns (by name or index) to be selected out
> without additional data copying. We should add a {{columns=}} argument to the
> the {{from_pandas}} calls and do the subsetting when we dispatch the
> individual arrays for conversion to Arrow.
> cc [~cpcloud] [~jreback]
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[jira] [Updated] (ARROW-1731) [Python] Provide for selecting a subset of columns to convert in RecordBatch/Table.from_pandas
[
https://issues.apache.org/jira/browse/ARROW-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe L. Korn updated ARROW-1731:
---
Description:
Currently it's all-or-nothing, and to do the subsetting in pandas incurs a data
copy. This would enable columns (by name or index) to be selected out without
additional data copying. We should add a {{columns=}} argument to the the
{{from_pandas}} calls and do the subsetting when we dispatch the individual
arrays for conversion to Arrow.
cc [~cpcloud] [~jreback]
was:
Currently it's all-or-nothing, and to do the subsetting in pandas incurs a data
copy. This would enable columns (by name or index) to be selected out without
additional data copying
cc [~cpcloud] [~jreback]
> [Python] Provide for selecting a subset of columns to convert in
> RecordBatch/Table.from_pandas
> --
>
> Key: ARROW-1731
> URL: https://issues.apache.org/jira/browse/ARROW-1731
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
>Reporter: Wes McKinney
>Assignee: Uwe L. Korn
>Priority: Major
> Labels: beginner
> Fix For: 0.10.0
>
>
> Currently it's all-or-nothing, and to do the subsetting in pandas incurs a
> data copy. This would enable columns (by name or index) to be selected out
> without additional data copying. We should add a {{columns=}} argument to the
> the {{from_pandas}} calls and do the subsetting when we dispatch the
> individual arrays for conversion to Arrow.
> cc [~cpcloud] [~jreback]
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[jira] [Updated] (ARROW-1731) [Python] Provide for selecting a subset of columns to convert in RecordBatch/Table.from_pandas
[ https://issues.apache.org/jira/browse/ARROW-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Uwe L. Korn updated ARROW-1731: --- Labels: beginner (was: ) > [Python] Provide for selecting a subset of columns to convert in > RecordBatch/Table.from_pandas > -- > > Key: ARROW-1731 > URL: https://issues.apache.org/jira/browse/ARROW-1731 > Project: Apache Arrow > Issue Type: Improvement > Components: Python >Reporter: Wes McKinney >Assignee: Uwe L. Korn >Priority: Major > Labels: beginner > Fix For: 0.10.0 > > > Currently it's all-or-nothing, and to do the subsetting in pandas incurs a > data copy. This would enable columns (by name or index) to be selected out > without additional data copying > cc [~cpcloud] [~jreback] -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (ARROW-1731) [Python] Provide for selecting a subset of columns to convert in RecordBatch/Table.from_pandas
[ https://issues.apache.org/jira/browse/ARROW-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wes McKinney updated ARROW-1731: Fix Version/s: (was: 0.9.0) 0.10.0 > [Python] Provide for selecting a subset of columns to convert in > RecordBatch/Table.from_pandas > -- > > Key: ARROW-1731 > URL: https://issues.apache.org/jira/browse/ARROW-1731 > Project: Apache Arrow > Issue Type: Improvement > Components: Python >Reporter: Wes McKinney >Priority: Major > Fix For: 0.10.0 > > > Currently it's all-or-nothing, and to do the subsetting in pandas incurs a > data copy. This would enable columns (by name or index) to be selected out > without additional data copying > cc [~cpcloud] [~jreback] -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (ARROW-1731) [Python] Provide for selecting a subset of columns to convert in RecordBatch/Table.from_pandas
[ https://issues.apache.org/jira/browse/ARROW-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wes McKinney updated ARROW-1731: Fix Version/s: 0.9.0 > [Python] Provide for selecting a subset of columns to convert in > RecordBatch/Table.from_pandas > -- > > Key: ARROW-1731 > URL: https://issues.apache.org/jira/browse/ARROW-1731 > Project: Apache Arrow > Issue Type: Improvement > Components: Python >Reporter: Wes McKinney > Fix For: 0.9.0 > > > Currently it's all-or-nothing, and to do the subsetting in pandas incurs a > data copy. This would enable columns (by name or index) to be selected out > without additional data copying > cc [~cpcloud] [~jreback] -- This message was sent by Atlassian JIRA (v6.4.14#64029)
