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Problems.

DuckDB costs outgrow the value it gives

Cloud and tool cost2 posts from 2 people2d active+00 posts in the last 7 days, 1 the 7 days before (fading)Unverified

Posts per day

Posts per day2 posts, Aug 30 to Sep 25

The posts behind it

2, newest first
PostDate
`LEAD` advances a sequence too many times### What happens? A legal `LEAD(nextval(...))` over 5000 rows returns sequence values as high as 9096 and advances the sequence to 9097 instead of advancing it to 5001. ### To Reproduce ### Code ### Expected | minimum | maximum | total | rows | after | | ---: | ---: | ---: |...duckdb/duckdbYibo-DongSep 1411 days ago
C extension API: expose table filters to table functions (filter pushdown)...server-side, and on real tables that ratio is far larger. But there appears to be no way to receive filters through the C API. ### What's missing Checked against v1.5.5. `src/include/duckdb_extension.h` contains no occurrence of `filter`, and the two in `src/include/duckdb.h`...duckdb/duckdbebuntAug 303 weeks ago

Companies and products named

Company or productPosts naming it
DuckDB2
AWS1
About this problem

Evidence

2 posts from 2 people in 1 place, about 1 a week over 16 days. Mostly on duckdb/duckdb. Tools named alongside: AWS.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts that state a pain and match the "observability-cost" rule about DuckDB. First post Aug 30, 2026, latest Sep 14, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

History

  • 2026-09-25 Added: DuckDB costs outgrow the value it gives (2 posts)

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