feat: parallel prefix scan for UNBOUNDED PRECEDING window aggregates - #2211

Merged

avantgardnerio merged 11 commits into

apache:mainfrom

avantgardnerio:brent/prefix-merge-scaffold

Aug 25, 2026

Commits on Aug 19, 2026

feat(core): add PrefixMergeExec for cross-partition windowed-aggregate state merge
avantgardnerio
committed
9644f41

Commits on Aug 20, 2026

reviewing PrefixMerge
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5a1104e
reviewed PrefixMerge
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bab42e2
reviewed ShuffleWriter
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6548848
reviewed window_state.rs
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b8d0698
reviewing prefix rule
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8b88d9d
bug fix
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1cb32bc
reviewed aqe mod
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ffcfedf
reviewed execution_stage.rs
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75adf02
test(core): pin the wire size of a sketch window state

avantgardnerio
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claude
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4a591f3
fix(chaos): reserve a cluster's ports without releasing them in between

avantgardnerio
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claude
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80b33be