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feat(workflow-operator): export Aggregate and the sort operators as Python - #8709

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kz930 wants to merge 10 commits into

apache:mainfrom

kz930:feat/standalone-aggregate-and-sort

Draft

feat(workflow-operator): export Aggregate and the sort operators as Python#8709
kz930 wants to merge 10 commits into
apache:mainfrom
kz930:feat/standalone-aggregate-and-sort

Commits on Sep 27, 2026
- feat(workflow-operator): export Aggregate and the sort operators as Python
  
  kz930
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  claude
  committed
  13243da
Commits on Oct 8, 2026
- feat(workflow-operator): emit no Aggregate row for an empty input with no group keys
  
  kz930
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  996e149
Commits on Oct 9, 2026
- fix(standalone): sort exported string keys by UTF-16 code unit
  
  kz930
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  99acd18
Commits on Oct 12, 2026
- fix(workflow-operator): fold a stored NaN in a DOUBLE aggregate as the engine does
  
  kz930
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  claude
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  79be3d4
Commits on Oct 13, 2026
- fix(workflow-operator): keep a stored NaN in an Aggregate CONCAT
  
  kz930
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  claude
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  ed55981
- fix(workflow-operator): add timestamps before 1970 where localtime refuses them
  
  kz930
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  337f16d
Commits on Oct 14, 2026
- fix(workflow-operator): give each NaN key its own Aggregate group, as the engine does
  
  kz930
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  claude
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  14d7de2
- fix(workflow-operator): order signed zeros and same-millisecond timestamps as the engine does
  
  kz930
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  0ad67a6
- fix(operator): add timestamps with the offset their zone had at each instant
  
  kz930
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  926442d
- fix(operator): pick a timestamp MIN and MAX by the millisecond as the engine does
  
  kz930
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  d668c72