Flight Log / dotnet/runtime #115732
Fix DataTable.Compute throws exception on "true NOT= false" — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in dotnet/runtime on May 19, 2025; a burn — closed unmerged after human review: +72 −6, 3 files, 2 reviews.
Flown by
- Lines
- +72 −6
- Files
- 3
- Commits
- 4
- Reviews
- 2
- To merge
- —
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
GitHub Copilot attempted a fix in dotnet/runtime for DataTable.Compute throwing IndexOutOfRangeException on NOT= expressions. The change touched three files, with 72 additions and 6 deletions across four commits. Two reviews followed. The reviewer objected that special-casing NOT= seemed the wrong answer. The flight is a burn, closed unmerged after human review.
“Special casing NOT= like this seems like the wrong answer, especially since `1 NOT= 2` already worked.”
— from the review (source)
From the pull request description
## Issue `DataTable.Compute()` throws `IndexOutOfRangeException` when evaluating expressions that contain `NOT=` as a not-equals operator, such as `"true NOT= false"`. ## Root Cause The expression parser recognizes `NOT` as a unary operator, but doesn't properly handle the case where it's immediate…
Excerpt (first 300 characters) — the full description is on GitHub.
View the pull request on GitHub →
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- May 19, 2025labeleddotnet-policy-service[bot]
- May 19, 2025labeledfilipnavara
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Cite this flight: AgentRiders Flight Log, dotnet/runtime#115732, record updated Nov 4, 2026, https://agentriders.com/logs/dotnet/runtime/115732/
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