Ben Kietzman created ARROW-11797:
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Summary: [C++][Dataset] Provide Scanner methods to yield/visit
scanned batches
Key: ARROW-11797
URL: https://issues.apache.org/jira/browse/ARROW-11797
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 3.0.0
Reporter: Ben Kietzman
Assignee: Ben Kietzman
Fix For: 4.0.0
>From discussion in https://issues.apache.org/jira/browse/ARROW-11782
It'd be useful to consumers of Scanner to receive an iterator of scanned record
batches or apply a visitor to batches as they are scanned without handling
ScanTasks. For example, this could enable aggregations or other computations
which don't require the entire table to be materialized.
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