GH-47393: [C++][Acero] Support for multi threaded input: SortedMergeNode Version 2 - #51141

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gitmodimo wants to merge 5 commits into

apache:mainfrom

gitmodimo:sorted_merge_rework

Commits on Sep 2, 2026

[C++][Acero] Fix and expose time normalization
Rafał Hibner
committed
168d8e0
[C++][Acero] Rework SortedMerge execution and flow control
Rafał Hibner
committed
ade8e98
[C++][Acero] Simplify SortedMerge shutdown flow control
Rafał Hibner
committed
01eb9dd
[C++][Acero] Preserve scheduler lifetime across SortedMerge resume
Rafał Hibner
committed
8470111

Commits on Sep 3, 2026

[C++][Acero] Limit SortedMerge output batch size
Rafał Hibner
committed
334e55c