8000 feat: ordered-set aggregate in streaming queries · Issue #12857 · risingwavelabs/risingwave · GitHub
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feat: ordered-set aggregate in streaming queries #12857

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Open
Tracked by #10038
stdrc opened this issue Oct 16, 2023 · 4 comments
Open
Tracked by #10038

feat: ordered-set aggregate in streaming queries #12857

stdrc opened this issue Oct 16, 2023 · 4 comments
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A-agg Area: Aggregate. type/feature Type: New feature.

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@stdrc
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stdrc commented Oct 16, 2023

Ordered-set aggregate functions are currently not supported in streaming queries. One of our user seems need this.

create materialized view mv as
select
  percentile_cont(0.5) within group (order by a),
  percentile_disc(0.5) within group (order by a)
from t;
@stdrc stdrc added the type/feature Type: New feature. label Oct 16, 2023
@github-actions github-actions bot added this to the release-1.4 milestone Oct 16, 2023
@stdrc stdrc modified the milestones: release-1.4, future-release-1.5 Oct 16, 2023
@stdrc stdrc modified the milestones: release-1.5, release-1.6 Dec 4, 2023
@fuyufjh fuyufjh modified the milestones: release-1.6, release-1.7 Jan 9, 2024
@fuyufjh fuyufjh assigned stdrc and kwannoel and unassigned TennyZhuang Apr 5, 2024
@kwannoel
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Depends on #12570

@stdrc stdrc modified the milestones: release-1.10, release-1.11 Jul 10, 2024
@stdrc
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stdrc commented Jul 10, 2024

Depends on #12570

This is already merged. Are we currently doing Streaming Percentile or Streaming Approx Percentile? @kwannoel

@kwannoel
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Depends on #12570

This is already merged. Are we currently doing Streaming Percentile or Streaming Approx Percentile? @kwannoel

I'm working on Streaming Approx Percentile. Streaming Percentile is not worked on yet. You may take it up if interested.

@stdrc
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stdrc commented Oct 17, 2024

Since we already support approx_percentile, I guess it's not an urgent to support accurate percentile_cont/cont? We can remove the milestone for now.

@stdrc stdrc removed this from the release-2.2 milestone Oct 17, 2024
@stdrc stdrc added the A-agg Area: Aggregate. label May 26, 2025
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