Files
HealthLog/tests/integration
Marc-André Bombeck 03aec3ec12 perf(db): index every acting foreign key and drop prefix indexes
Twenty-one foreign keys with ON DELETE CASCADE or SET NULL had no index
leading with their column, so deleting a parent scanned the child table
once per row; medication_intake_events.medication_id was the one an
account delete paid for. Seventeen small-table indexes and the measurements
(user_id, type, measured_at) index repeated the leading columns of another
index and only cost writes.

Migration 0415 adds and drops the small-table ones in one DO block under a
bounded lock wait; 0416 drops the measurements index concurrently, in a
file of its own. An integration test holds the schema to both rules from
the catalog, each with a counter-check, and compares the plans of the
user-and-type query shapes on a seeded table with and without the dropped
index. The lock-timeout guard now also requires a CONCURRENTLY statement
to stand alone in its file.
2026-10-20 13:07:24 +02:00
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