Review economics
apache/datafusion
Read from the 100 most recently merged pull requests ·
Pull requests with attributed agent authorship took 1.3× the reviews submitted of the rest.
≥9%
Attributed
a floor
9
Attributed PRs
91
Other PRs
100
Read
Attributed — the latest 5
#24076 chore: apply workspace lints to all crates
3 reviews · 19h to merge
#23907 IN LIST: isolate branchless filter implementation
1 reviews · 8.3d to merge
#23014 IN LIST: add branchless filter for small primitive lists
11 reviews · 37.8d to merge
#23948 fix: keep a CoalescePartitionsExec required by a SinglePartition child
7 reviews · 2.6d to merge
#24003 refactor(proto): put Partitioning / sort-expression serde on the types
11 reviews · 15h to merge
The rest — the latest 5
#23843 refactor join-key equality filtering
2 reviews · 13.5d to merge
#24074 feat(pruning): expose pruning predicate IN-list rewrite size cap as a config option
13 reviews · 46h to merge
#24090 feat: prune unread Parquet leaves when a nested column is cast to a narrower type
4 reviews · 28h to merge
#23772 Add support for running sql benchmarks with command line arguments
1 reviews · 15.0d to merge
#24087 fix(proto): preserve empty projection when ser/de MemoryScanExec
2 reviews · 30h to merge
How this was measured
9% of merged commits carry agent attribution — a floor, not the share; tools that only complete code inline leave no commit trail, so the unattributed side includes AI-assisted work; 6 PRs came off an agent branch with no commit attribution, so the real share runs higher; reads 100 of 11690 merged PRs — the rest have not been analyzed yet.
Detected: Claude Code, OpenAI Codex, Cursor agent.
“Attributed” means a commit carried an agent’s signature — a co-author trailer, an agent commit identity, or an agent bot account. Tools that only complete code inline leave no such mark, so the other column is “rest”, not “human-written”. Full method and its limits
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