Weston Pace created ARROW-17762:
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Summary: [C++] Add ordering information to exec batches
Key: ARROW-17762
URL: https://issues.apache.org/jira/browse/ARROW-17762
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Weston Pace
Assignee: Weston Pace
I proposed this ages ago in
https://lists.apache.org/thread/xpn9gyrs6kqc3g9t8k4ts8dmy7yyxskq and am finally
getting around to implementing it.
I propose to add ordering information to exec nodes (mostly for node
validation) and indices to exec batches. This is a fundamental step to allow
nodes to consume this ordering information to achieve features such as
ARROW-10883 and ARROW-16628. It also can replace the complicated batch
enumeration in the current scanner to support in-order table reassembly.
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