[jira] [Updated] (ARROW-3410) [C++] Streaming CSV reader interface for memory-constrainted environments

2019-08-21 Thread Wes McKinney (Jira) 


 [ 
https://issues.apache.org/jira/browse/ARROW-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wes McKinney updated ARROW-3410:

Labels: dataset  (was: )

> [C++] Streaming CSV reader interface for memory-constrainted environments
> -
>
> Key: ARROW-3410
> URL: https://issues.apache.org/jira/browse/ARROW-3410
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Priority: Major
>  Labels: dataset
>
> CSV reads are currently all-or-nothing. If the results of parsing a CSV file 
> do not fit into memory, this can be a problem. I propose to define a 
> streaming {{RecordBatchReader}} interface so that the record batches produced 
> by reading can be written out immediately to a stream on disk, to be memory 
> mapped later



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[jira] [Updated] (ARROW-3410) [C++] Streaming CSV reader interface for memory-constrainted environments

2019-05-30 Thread Wes McKinney (JIRA) 


 [ 
https://issues.apache.org/jira/browse/ARROW-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wes McKinney updated ARROW-3410:

Fix Version/s: (was: 0.14.0)

> [C++] Streaming CSV reader interface for memory-constrainted environments
> -
>
> Key: ARROW-3410
> URL: https://issues.apache.org/jira/browse/ARROW-3410
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Priority: Major
>
> CSV reads are currently all-or-nothing. If the results of parsing a CSV file 
> do not fit into memory, this can be a problem. I propose to define a 
> streaming {{RecordBatchReader}} interface so that the record batches produced 
> by reading can be written out immediately to a stream on disk, to be memory 
> mapped later



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[jira] [Updated] (ARROW-3410) [C++] Streaming CSV reader interface for memory-constrainted environments

2018-11-20 Thread Wes McKinney (JIRA) 


 [ 
https://issues.apache.org/jira/browse/ARROW-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wes McKinney updated ARROW-3410:

Fix Version/s: (was: 0.12.0)
   0.13.0

> [C++] Streaming CSV reader interface for memory-constrainted environments
> -
>
> Key: ARROW-3410
> URL: https://issues.apache.org/jira/browse/ARROW-3410
> Project: Apache Arrow
>  Issue Type: New Feature
>  Components: C++
>Reporter: Wes McKinney
>Priority: Major
> Fix For: 0.13.0
>
>
> CSV reads are currently all-or-nothing. If the results of parsing a CSV file 
> do not fit into memory, this can be a problem. I propose to define a 
> streaming {{RecordBatchReader}} interface so that the record batches produced 
> by reading can be written out immediately to a stream on disk, to be memory 
> mapped later



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