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Erik JohnstonandClaude Opus 4.8
a7f41c80fd
Make RustConnectionPool a drop-in for DatabasePool._db_pool so real
runInteraction traffic can flow through it (once make_pool is switched):
- it now hands each function a DBAPI2-adapter connection (rust_dbapi.Connection)
wrapping the pooled shim, so LoggingDatabaseConnection.cursor() yields a
working LoggingTransaction and the engine's in_transaction / is_closed /
set_autocommit operate on it;
- the entry point is named `runWithConnection` (matching
twisted.enterprise.adbapi.ConnectionPool, which database.py calls by that
name), alongside `threadID` for the transaction-limit path. With
`threadpool` and `running` already present, the pool covers the slice of the
adbapi interface DatabasePool uses.
A new test drives a full transaction through the pool the way
DatabasePool.runWithConnection's inner_func does — engine.in_transaction check,
LoggingDatabaseConnection + LoggingTransaction, `?`→`$n` conversion, commit —
off the reactor thread, and gets the result back via the Deferred.
Still outstanding before make_pool can return it: `reconnect` on the connection
(transaction-limit / closed-connection paths) and the startup path
(make_conn / check_database).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01W3G4M92AmwSSZCbmtMJU3d