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feat(optimizer): coalesce peer first_value / last_value into a single struct aggregate - #23682

Draft

tohuya6 wants to merge 5 commits into

apache:mainfrom

tohuya6:coalesce-first-last

Draft

feat(optimizer): coalesce peer first_value / last_value into a single struct aggregate#23682
tohuya6 wants to merge 5 commits into
apache:mainfrom
tohuya6:coalesce-first-last

Commits on Jul 24, 2026
- feat(optimizer): coalesce peer first_value / last_value into a single struct aggregate
  tohuya6
  committed
  f9e2eb2
- fix(optimizer): dedup-aware group count + aliased peers in coalesce_first_last
  tohuya6
  committed
  b388b2c
Commits on Aug 1, 2026
- fix(optimizer): preserve alias qualifier in coalesce_first_last
  tohuya6
  committed
  e30bb65
Commits on Aug 22, 2026
- test: cover coalesce_first_last's declined paths at result level
  tohuya6
  committed
  f8c0576
Commits on Aug 27, 2026
- Merge branch 'main' into coalesce-first-last
  alamb
  authored
  0cb368d