From 5c90b908cdace044b84e7dd45099c67ec028a057 Mon Sep 17 00:00:00 2001
From: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
Date: Thu, 28 Aug 2025 13:55:20 +0100
Subject: [PATCH 1/2] Rust: Lower the thresholds in
 rust/diagnostic/database-quality to more pragmatic numbers.

---
 rust/ql/src/queries/telemetry/DatabaseQualityDiagnostics.ql | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/rust/ql/src/queries/telemetry/DatabaseQualityDiagnostics.ql b/rust/ql/src/queries/telemetry/DatabaseQualityDiagnostics.ql
index c5e3645e993e..18e7445939f9 100644
--- a/rust/ql/src/queries/telemetry/DatabaseQualityDiagnostics.ql
+++ b/rust/ql/src/queries/telemetry/DatabaseQualityDiagnostics.ql
@@ -12,11 +12,9 @@ import codeql.util.Unit
 class DbQualityDiagnostic extends Unit {
   DbQualityDiagnostic() {
     exists(float percentageGood |
-      CallTargetStatsReport::percentageOfOk(_, percentageGood)
+      CallTargetStatsReport::percentageOfOk(_, percentageGood) and percentageGood < 50
       or
-      MacroCallTargetStatsReport::percentageOfOk(_, percentageGood)
-    |
-      percentageGood < 95
+      MacroCallTargetStatsReport::percentageOfOk(_, percentageGood) and percentageGood < 50
     )
   }
 

From 9e0a31cafcb7aefd843eb5ce0126d15d969cecc0 Mon Sep 17 00:00:00 2001
From: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
Date: Thu, 28 Aug 2025 14:00:45 +0100
Subject: [PATCH 2/2] Rust: Change note.

---
 .../change-notes/2025-08-28-diagnostic-database-quality.md    | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 rust/ql/src/change-notes/2025-08-28-diagnostic-database-quality.md

diff --git a/rust/ql/src/change-notes/2025-08-28-diagnostic-database-quality.md b/rust/ql/src/change-notes/2025-08-28-diagnostic-database-quality.md
new file mode 100644
index 000000000000..0aeb9d52d273
--- /dev/null
+++ b/rust/ql/src/change-notes/2025-08-28-diagnostic-database-quality.md
@@ -0,0 +1,4 @@
+---
+category: fix
+---
+* The "Low Rust analysis quality" query (`rust/diagnostic/database-quality`) has been tuned so that it won't trigger on databases that have extracted normally. This will remove spurious messages of "Low Rust analysis quality" on the CodeQL status page.