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Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2021/01/04 19:27:00 UTC
[jira] [Updated] (ARROW-9749) [C++][Dataset] Extract
format-specific scan options from FileFormat
[ https://issues.apache.org/jira/browse/ARROW-9749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ben Kietzman updated ARROW-9749:
--------------------------------
Fix Version/s: (was: 3.0.0)
4.0.0
> [C++][Dataset] Extract format-specific scan options from FileFormat
> -------------------------------------------------------------------
>
> Key: ARROW-9749
> URL: https://issues.apache.org/jira/browse/ARROW-9749
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 1.0.0
> Reporter: Ben Kietzman
> Priority: Major
> Labels: dataset
> Fix For: 4.0.0
>
>
> Currently format specific scan options are embedded as members of the corresponding subclass of FileFormat. Extracting these to an options struct would provide better separation of concerns; currently the only way to scan a parquet formatted dataset with different options is to reconstruct it in a differently optioned format from its component files.
> CsvFileFormat could retain ParseOptions as a member, since (for example) tab-separated vs comma-separated values can justifiably be considered different formats.
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