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fix issue

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Marshal
2026-07-30 13:33:07 +00:00
parent 2cdf8bd161
commit 8f25fb3e8b
1 changed files with 10 additions and 2 deletions
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12
apps/edr-freight-api/src/migrations/3080000000000-BackfillDireDawaMilestone.ts
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@@ -41,9 +41,17 @@ export class BackfillDireDawaMilestone3080000000000 implements MigrationInterfac
WHERE m.route_id = rt.id AND m.yard_id = dire
AND m.deleted_at IS NULL)
LOOP
-- Two-phase shift: uq_route_milestones_route_sequence isn't deferrable,
-- so a direct +1 UPDATE can collide mid-scan (seq 2 -> 3 while seq 3 still live).
-- Route through negative sequence_no first to avoid any interim collision.
-- Soft-deleted rows shift too: the constraint counts them, so a dead row
-- left at a target sequence would still collide.
UPDATE freight.route_milestones
SET sequence_no = sequence_no + 1
WHERE route_id = r.id AND deleted_at IS NULL AND sequence_no >= 2;
SET sequence_no = -sequence_no
WHERE route_id = r.id AND sequence_no >= 2;
UPDATE freight.route_milestones
SET sequence_no = -sequence_no + 1
WHERE route_id = r.id AND sequence_no < 0;
INSERT INTO freight.route_milestones (route_id, yard_id, sequence_no)
VALUES (r.id, dire, 2);
END LOOP;