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Keep foreign keys on for every database connection (closes #207)
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SQLite keeps the foreign keys setting per connection, and the server
turned it on once with a PRAGMA. A query cancelled while it runs makes
the pool replace its only connection, and the new one ran without
foreign keys until a restart.

connect now adds `_pragma=foreign_keys(1)` to the database URL. The
driver runs it on every connection it opens. The server refuses to
start when DBURL sets foreign_keys itself, because the driver sorts
the pragmas and that one could win.

One test cancels a query and checks, with a TEMP table, that the
connection was replaced and that foreign keys are on. Another checks
the startup error for several spellings.

Model: opus-5-5
This commit is contained in:
clawbot
2026-10-27 09:53:43 +00:00
parent d8f8748525
commit 1cf3101f78
3 changed files with 190 additions and 8 deletions
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README.md
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@@ -2611,7 +2611,7 @@ listener.
| Variable | Type | Default | Description |
| ---------------------- | ------ | -------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `PORT` | int | `8080` | HTTP listen port |
| `DBURL` | string | `file:///var/lib/neoirc/state.db?_pragma=journal_mode(WAL)&_pragma=busy_timeout(5000)` | SQLite connection string. For file-based: `file:///path/to/db.db?_pragma=journal_mode(WAL)&_pragma=busy_timeout(5000)`. For in-memory (testing): `file::memory:?cache=shared`. See [SQLite Considerations](#sqlite-considerations). |
| `DBURL` | string | `file:///var/lib/neoirc/state.db?_pragma=journal_mode(WAL)&_pragma=busy_timeout(5000)` | SQLite connection string. For file-based: `file:///path/to/db.db?_pragma=journal_mode(WAL)&_pragma=busy_timeout(5000)`. For in-memory (testing): `file::memory:?cache=shared`. It must not set `foreign_keys`. See [SQLite Considerations](#sqlite-considerations). |
| `DEBUG` | bool | `false` | Switch logging to debug level |
| `MESSAGE_MAX_AGE` | string | `720h` | Maximum age of messages as a Go duration string (e.g. `720h`, `24h`). Messages older than this are pruned. Default is 30 days. |
| `SESSION_IDLE_TIMEOUT` | string | `720h` | Idle timeout as a Go duration string (e.g. `720h`, `24h`). Clients with no authenticated HTTP API request or IRC listener command for this long are removed, and a session left with none is expired and its nick released (see [Data Lifecycle](#data-lifecycle)). Default is 30 days. |