15 lines
616 B
SQL
15 lines
616 B
SQL
-- 回滚永久积分结构；旧到期日期已无法恢复，现有批次统一设为无限期。
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DROP INDEX IF EXISTS public.idx_point_grants_user_available;
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ALTER TABLE public.point_grants
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ADD COLUMN expires_at timestamp with time zone NOT NULL DEFAULT 'infinity'::timestamptz;
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ALTER TABLE public.point_grants
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ALTER COLUMN expires_at DROP DEFAULT;
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CREATE INDEX idx_point_grants_user_expiry
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ON public.point_grants(user_id, expires_at, created_at, id)
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WHERE available_amount > 0;
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COMMENT ON INDEX public.idx_point_grants_user_expiry IS '加速按用户和到期时间锁定可用积分批次';
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