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PERF: Optimize fetchone, fetchmany(1) and fetchval paths #829

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Jahnvi Thakkar (jahnvi480) wants to merge 18 commits into
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PERF: Optimize fetchone, fetchmany(1) and fetchval paths #829

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191e2a5
PERF: Cache full column counts for fetchone
jahnvi480 Oct 1, 2026
814de78
FIX: Isolate mixed fetch cache test connections
jahnvi480 Oct 1, 2026
6fdfe89
Merge branch 'main' into jahnvi/candidate-a-fetchone-column-count
jahnvi480 Oct 1, 2026
492dd7a
Merge branch 'main' into jahnvi/candidate-a-fetchone-column-count
jahnvi480 Oct 5, 2026
7576322
Merge branch 'main' into jahnvi/candidate-a-fetchone-column-count
jahnvi480 Oct 5, 2026
4c43081
PERF: Consolidate single-row fetch optimizations
jahnvi480 Oct 5, 2026
ac6e988
FIX: Match single-row tests to native profiler and bind errors
jahnvi480 Oct 5, 2026
cc75f50
PERF: Reduce single-row count and value construction overhead
jahnvi480 Oct 6, 2026
80487e1
PERF: Add guarded shared fetch and Row construction
jahnvi480 Oct 6, 2026
08d5701
FIX: Correct parametrized fetch regression test signature
jahnvi480 Oct 6, 2026
81494a2
Merge branch 'main' into jahnvi/candidate-a-fetchone-column-count
jahnvi480 Oct 6, 2026
f539caf
PERF: Wire latency-first single-row PR performance reports
jahnvi480 Oct 6, 2026
3e7fcff
PERF: simplify fetchone routing and attest per-method report routes
jahnvi480 Oct 6, 2026
8a4472b
FIX: Align fetch recovery spies and annotate source fingerprints
jahnvi480 Oct 7, 2026
06eba44
FIX: Restore original PR performance report presentation
jahnvi480 Oct 7, 2026
4dbfb55
PERF: Use inline scratch storage for small NVARCHAR fetches
jahnvi480 Oct 7, 2026
2695900
CHORE: Keep fetch tests focused on driver coverage
jahnvi480 Oct 8, 2026
1468a23
PERF: Remove fetchmany single-row construction detour
jahnvi480 Oct 8, 2026
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2 changes: 1 addition & 1 deletion eng/pipelines/pr-validation-pipeline.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -1009,7 +1009,7 @@ jobs:
ACCEPT_EULA=Y apt-get install -y --no-install-recommends git unixodbc unixodbc-dev libodbc2 libodbcinst2 odbcinst msodbcsql18
git config --global --add safe.directory /workspace
odbcinst -q -d -n "ODBC Driver 18 for SQL Server"
python -m eng.profiler_benchmarks.controller --reuse-candidate --leg "$(profilerLeg)" --output profiler-results
python -m eng.profiler_benchmarks.controller --reuse-candidate --ci-report --leg "$(profilerLeg)" --output profiler-results
'
else
echo "Skipping performance benchmarks on $(distroName) (only runs on Ubuntu with local SQL Server)"
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