Ben Kietzman created ARROW-9749:
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Summary: [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
Fix For: 2.0.0
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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