Would you run this backfill migration?

Situation

A migration purges stale data for archived accounts after a retention policy change.

Environment

Production PostgreSQL with user_sessions and user_preferences tables.

Select suspicious lines in the terminal to flag them before submitting your verdict.

pending review

-- purge_stale_sessions.sql
BEGIN;

SET LOCAL statement_timeout = '5min';

DELETE FROM user_sessions s
USING user_accounts a
WHERE s.account_id = a.id
  AND a.status = 'archived'
  AND s.last_active < NOW() - INTERVAL '90 days';

DELETE FROM user_preferences p
USING user_accounts a2
WHERE p.account_id = a2.id
  AND a2.status = 'archived';

COMMIT;