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migrations/20240910115224_make_json_str_name_unique_per_user/migration.sql
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-- Update records with duplicate names for the same user | ||
UPDATE "Model" | ||
SET json_str = jsonb_set( | ||
json_str::jsonb, | ||
'{name}', | ||
-- Append a random 5-digit suffix to the name | ||
to_jsonb(json_str->>'name' || '_' || LPAD(FLOOR(RANDOM() * 100000)::text, 5, '0')) | ||
) | ||
-- Select records with duplicate names | ||
WHERE (user_uuid, json_str->>'name') IN ( | ||
SELECT user_uuid, json_str->>'name' | ||
FROM "Model" | ||
GROUP BY user_uuid, json_str->>'name' | ||
HAVING COUNT(*) > 1 | ||
) | ||
-- Exclude the first occurrence of each duplicate set | ||
AND uuid NOT IN ( | ||
SELECT DISTINCT ON (user_uuid, json_str->>'name') uuid | ||
FROM "Model" | ||
ORDER BY user_uuid, json_str->>'name', created_at | ||
); |