-- Ruecknahme von Phase 11.

DELETE FROM role_permissions
WHERE permission_id IN (SELECT id FROM permissions
                        WHERE name IN ('backups.delete', 'retention.write', 'immutability.manage'));

DELETE FROM permissions
WHERE name IN ('backups.delete', 'retention.write', 'immutability.manage');

DROP TABLE IF EXISTS retention_runs;

ALTER TABLE retention_policies
    DROP CONSTRAINT IF EXISTS retention_policies_counts_not_negative,
    DROP CONSTRAINT IF EXISTS retention_policies_keeps_something,
    DROP COLUMN IF EXISTS created_by,
    DROP COLUMN IF EXISTS time_zone,
    DROP COLUMN IF EXISTS keep_yearly,
    DROP COLUMN IF EXISTS keep_monthly,
    DROP COLUMN IF EXISTS keep_weekly,
    DROP COLUMN IF EXISTS keep_daily,
    DROP COLUMN IF EXISTS keep_last,
    DROP COLUMN IF EXISTS keep_within_seconds;

DROP INDEX IF EXISTS backups_not_deleted_idx;
DROP INDEX IF EXISTS backups_legal_hold_idx;

ALTER TABLE backups
    DROP CONSTRAINT IF EXISTS backups_legal_hold_not_deleted,
    DROP CONSTRAINT IF EXISTS backups_legal_hold_needs_reason,
    DROP COLUMN IF EXISTS deletion_reason,
    DROP COLUMN IF EXISTS deleted_by,
    DROP COLUMN IF EXISTS deleted_at,
    DROP COLUMN IF EXISTS legal_hold_placed_by,
    DROP COLUMN IF EXISTS legal_hold_placed_at,
    DROP COLUMN IF EXISTS legal_hold_reason,
    DROP COLUMN IF EXISTS legal_hold;

ALTER TABLE repositories
    DROP CONSTRAINT IF EXISTS repositories_minimum_retention_not_negative,
    DROP CONSTRAINT IF EXISTS repositories_retention_not_negative,
    DROP CONSTRAINT IF EXISTS repositories_enforcement_level_valid,
    DROP COLUMN IF EXISTS minimum_retention_seconds,
    DROP COLUMN IF EXISTS retention_seconds,
    DROP COLUMN IF EXISTS enforcement_report,
    DROP COLUMN IF EXISTS enforcement_measured_at,
    DROP COLUMN IF EXISTS enforcement_level;