Commit Graph
2 Commits
Author SHA1 Message Date
discord9 7252ceb4bb feat(flow): add generic delta merge for incremental aggregates (#8938)
* feat(function): add internal delta merge aggregates

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* test(function): cover delta merge aggregates in SQL

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

* feat(function): add Welford delta merge aggregate

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

---------

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
2026-09-01 12:27:54 +00:00
Ruihang Xia 7bd108e2be feat: impl hll_state, hll_merge and hll_calc for incremental distinct counting (#5579)
* basic impl

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* more tests

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* sqlness test

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* fix clippy

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* update with more test and logs

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* impl

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* impl merge fn

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* rename function names

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
2025-02-24 19:07:37 +00:00