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Marc-André BombeckandClaude Opus 4.8
50e0a65228
v1.7.0 — health-record export (PDF + FHIR), flexible medication schedules, first-paint dashboard snapshot, full HealthKit coverage, offline sync delta feed, Coach data clustering. See CHANGELOG. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
51 lines
2.5 KiB
SQL
51 lines
2.5 KiB
SQL
-- v1.7.0 sync — extend the offline-sync feed to mood + medication intakes.
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--
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-- Adds the same reconciliation columns the measurement feed already
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-- carries (`sync_version` LWW counter + `deleted_at` soft-delete
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-- tombstone) to `mood_entries` and `medication_intake_events`, plus an
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-- `updated_at` column to `medication_intake_events` (which had none) so
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-- the `/api/sync/changes` keyset feed can order on it. `mood_entries`
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-- already has `updated_at`, so it only gains the two sync columns.
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--
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-- Conflict semantics mirror the per-domain rules in the iOS-coord
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-- contract: mood is last-writer-wins by `sync_version`; an intake is an
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-- immutable fact whose correction is a tombstone + re-insert, so its
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-- `sync_version` only bumps on the soft-delete write.
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--
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-- Every add is additive + order-safe:
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-- - `sync_version` defaults to 0 (constant) → metadata-only ADD COLUMN.
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-- - `deleted_at` is nullable, no default → metadata-only.
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-- - `updated_at` on intakes is NOT NULL with `DEFAULT now()` so the
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-- ADD COLUMN backfills existing rows to their migration instant
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-- without a table rewrite (constant-folded default on PG 11+). The
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-- Prisma `@updatedAt` directive maintains it from the app layer on
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-- every subsequent write; the DB default only seeds legacy rows.
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--
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-- Supporting keyset indexes match the measurement feed's
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-- `(user_id, updated_at, id)` index from migration 0096 so the delta
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-- drain reads straight off the index in order rather than sorting the
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-- user's whole set per page.
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--
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-- Reversibility (down):
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-- DROP INDEX IF EXISTS "medication_intake_events_user_id_updated_at_id_idx";
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-- DROP INDEX IF EXISTS "mood_entries_user_id_updated_at_id_idx";
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-- ALTER TABLE "medication_intake_events"
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-- DROP COLUMN "deleted_at", DROP COLUMN "sync_version", DROP COLUMN "updated_at";
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-- ALTER TABLE "mood_entries"
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-- DROP COLUMN "deleted_at", DROP COLUMN "sync_version";
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ALTER TABLE "mood_entries"
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ADD COLUMN "sync_version" INTEGER NOT NULL DEFAULT 0,
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ADD COLUMN "deleted_at" TIMESTAMP(3);
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ALTER TABLE "medication_intake_events"
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ADD COLUMN "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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ADD COLUMN "sync_version" INTEGER NOT NULL DEFAULT 0,
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ADD COLUMN "deleted_at" TIMESTAMP(3);
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CREATE INDEX IF NOT EXISTS "mood_entries_user_id_updated_at_id_idx"
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ON "mood_entries" ("user_id", "updated_at", "id");
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CREATE INDEX IF NOT EXISTS "medication_intake_events_user_id_updated_at_id_idx"
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ON "medication_intake_events" ("user_id", "updated_at", "id");
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