27 lines
1.1 KiB
SQL
27 lines
1.1 KiB
SQL
-- 为 users 表添加订阅相关列（subscription_type, subscription_expires_at）
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-- 若列已存在则跳过，可重复执行。
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-- 执行方式: psql -U <user> -d <database> -f api/migrations/add_users_subscription_columns.sql
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema = 'public' AND table_name = 'users' AND column_name = 'subscription_type'
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) THEN
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ALTER TABLE users ADD COLUMN subscription_type VARCHAR DEFAULT 'free';
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RAISE NOTICE '已添加 users.subscription_type 列';
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ELSE
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RAISE NOTICE 'users.subscription_type 列已存在，跳过';
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END IF;
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema = 'public' AND table_name = 'users' AND column_name = 'subscription_expires_at'
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) THEN
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ALTER TABLE users ADD COLUMN subscription_expires_at TIMESTAMP WITH TIME ZONE DEFAULT NULL;
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RAISE NOTICE '已添加 users.subscription_expires_at 列';
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ELSE
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RAISE NOTICE 'users.subscription_expires_at 列已存在，跳过';
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END IF;
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END $$;
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