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storage: version querylog.db and migrate it in place, never reset a healthy file

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querylog.db carries a schema version; migrations run at startup as one transaction after a vacuumed 0600 backup, and every failure refuses startup (exit 2, no systemd restart loop) instead of starting empty. corruption is the only automatic recreate left. the cut gate now requires a fixture-proven migration or an explicit versioned break with restore instructions, and locks shipped migration files and fixtures byte-for-byte.
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mokhtar
2026-08-28 17:56:19 +02:00
parent dd5a9f6ab8
commit 272655f60c
25 changed files with 4312 additions and 176 deletions
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docs/how-to/upgrade.md
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@@ -263,7 +263,7 @@ nxdns run failed: SchemaTooNew
> hand and `nxdns run` was pointed at it. The two lines above are that run's
> output.
That run exits 1. Recovering means importing the export you took in step 1 into a fresh data directory with the older binary.
That run exits 2, and the shipped unit stops rather than restart-loops it. Recovering means importing the export you took in step 1 into a fresh data directory with the older binary.
### Rolling back from file mode