23 lines
532 B
SQL
23 lines
532 B
SQL
-- 回滚：删除订单过期时间索引和字段
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DO $$
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BEGIN
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-- 删除复合索引
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IF EXISTS (
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SELECT 1 FROM pg_indexes
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WHERE tablename='tb_order'
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AND indexname='idx_order_expires'
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) THEN
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DROP INDEX idx_order_expires;
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END IF;
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-- 删除 expires_at 字段
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IF EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name='tb_order'
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AND column_name='expires_at'
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) THEN
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ALTER TABLE tb_order DROP COLUMN expires_at;
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END IF;
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END
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$$;
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