[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] -- 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 ] 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] -- 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 ] 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)