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[C++] Switch bindings-scanner to the new scan node, remove the old scan node #32987

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@asfimport

Once the new scan node is fully capable we should switch the language bindings (pyarrow / R) to use the new scan options. At this point we can get rid of the old scan node.

Reporter: Weston Pace / @westonpace
Watchers: Rok Mihevc / @rok

Note: This issue was originally created as ARROW-17756. Please see the migration documentation for further details.

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  1. westonpace commented on Jul 18, 2023

    @westonpace
    Member

    We will probably need to go through a deprecation cycle to remove the old scan node since it has a different API. I'm going to start listing the things we want to deprecate here:

    • We can deprecate the old scanning methods in fragment / dataset (e.g. FileFormat::Inspect or Fragment::ScanBatchesAsync.
    • We can deprecate the GetRecordBatchGenerator method in parquet::arrow::FileReader (in favor of ReadRowGroupsAsync)
  2. added
    Status: stale-warningIssues and PRs flagged as stale which are due to be closed if no indication otherwise
    and removed on Sep 23, 2026
  3. thisisnic commented on Sep 23, 2026

    @thisisnic
    Member

    This issue has been marked as stale because it has had no activity in the past 365 days. Please remove the stale label or comment below, or this issue will be closed in 14 days. If this improvement is still desired but has no current owner, please add the 'Status: needs champion' label.

  4. removed
    Status: stale-warningIssues and PRs flagged as stale which are due to be closed if no indication otherwise
    on Oct 20, 2026
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