11 lines
395 B
SQL
11 lines
395 B
SQL
-- ============================================
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-- 为 activities 表添加 theme (中文主题) 字段
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-- ============================================
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ALTER TABLE activities ADD COLUMN IF NOT EXISTS theme VARCHAR(100);
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-- 为已有数据设置默认值（可选，如果需要）
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-- UPDATE activities SET theme = '' WHERE theme IS NULL;
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COMMENT ON COLUMN activities.theme IS '中文主题';
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