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https://issues.apache.org/jira/browse/ARROW-13328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17380631#comment-17380631
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Ben Kietzman commented on ARROW-13328:
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Deprecating the synchronous Scanner is definitely preferable and if we're going
to do this sooner than later then we can leave {{FilterAndProjectScanTask}} be
for a while longer.
> [C++][Dataset] Use an ExecPlan for synchronous scans
> ----------------------------------------------------
>
> Key: ARROW-13328
> URL: https://issues.apache.org/jira/browse/ARROW-13328
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Ben Kietzman
> Priority: Major
> Labels: dataset
>
> ARROW-13238 ensured that asynchronous dataset scans are internally backed by
> ExecPlans, allowing easier integration with new ExecNode sinks.
> However synchronous scans are still backed by {{FilterAndProjectScanTask}}
> and are not consumable using ExecNodes. Ideally, we should route synchronous
> scans through an ExecPlan as well.
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