Fix database connection pool exhaustion from undisposed SQLAlchemy engines - #407

Open

RamiAwar with Copilot wants to merge 9 commits into

mainfrom

copilot/investigate-database-connection-pool

Commits on Jan 7, 2026

Initial plan
Copilot
committed
3c65f74
Add connection pool limits and proper engine disposal

Copilot
and
RamiAwar
committed
8cb31fe
Simplify dispose() method in DatalineSQLDatabase

Copilot
and
RamiAwar
committed
61b10e3
Ensure engine disposal on all error paths in get_db_from_dsn

Copilot
and
RamiAwar
committed
f2d5990
Add comprehensive tests for connection pool management

Copilot
and
RamiAwar
committed
62b7825
Strengthen regression test with explicit connection verification

Copilot
and
RamiAwar
committed
dfa0a6c
Fix async mocking in connection service disposal test

Copilot
and
RamiAwar
committed
6e70304

Commits on Jan 17, 2026

Fix QueryGraphService mocking in tests to prevent actual DB connections

Copilot
and
RamiAwar
committed
21b0c77

Commits on Jan 19, 2026

Fix SQLite max_overflow parameter incompatibility and mock validation errors

Copilot
and
RamiAwar
committed
18092f6