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  1. Apache Arrow
  2. ARROW-6398

[C++] consolidate ScanOptions and ScanContext

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      Currently ScanOptions has two distinct responsibilities: it contains the data selector (and eventually projection schema) for the current scan and it serves as the base class for format specific scan options.

      In addition, we have ScanContext which holds the memory pool for the current scan.

      I think these classes should be rearranged as follows: ScanOptions will be removed and FileScanOptions will be the abstract base class for format specific scan options. ScanContext will be a concrete struct and contain the data selector, projection schema, a vector of FileScanOptions, and any other shared scan state.

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              • Assignee:
                bkietz Ben Kietzman
                Reporter:
                bkietz Ben Kietzman
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