llama-stack-mirror/tests/unit/utils/sqlstore
Ashwin Bharambe fcf649b97a
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feat(storage): share sql/kv instances and add upsert support (#4140)
A few changes to the storage layer to ensure we reduce unnecessary
contention arising out of our design choices (and letting the database
layer do its correct thing):

- SQL stores now share a single `SqlAlchemySqlStoreImpl` per backend,
and `kvstore_impl` caches instances per `(backend, namespace)`. This
avoids spawning multiple SQLite connections for the same file, reducing
lock contention and aligning the cache story for all backends.

- Added an async upsert API (with SQLite/Postgres dialect inserts) and
routed it through `AuthorizedSqlStore`, then switched conversations and
responses to call it. Using native `ON CONFLICT DO UPDATE` eliminates
the insert-then-update retry window that previously caused long WAL lock
retries.

### Test Plan

Existing tests, added a unit test for `upsert()`
2025-11-12 12:14:26 -08:00
..
test_sqlstore.py feat(storage): share sql/kv instances and add upsert support (#4140) 2025-11-12 12:14:26 -08:00