Revert "UnboundList: More compact string representation" - #22620
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🟡 Changes recommended
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Review effort: Balanced
Findings: None
What changed in this PR
Reverts the compact UnboundList encoding after observed performance regressions.
Changes:
- Restores decimal rank encoding.
- Restores decimal-specific parsing and prefix matching.
| File | Description |
|---|---|
shared/util/codeql/util/UnboundList.qll |
Reverts compact encoding and related regexes. |
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aschackmull
approved these changes
Sep 18, 2026
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Surprisingly, the DCA run after addressing review comments revealed performance regressions (the run before didn't). I'll revert while finding out why.