27 lines
1004 B
MySQL
27 lines
1004 B
MySQL
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-- 快速修复脚本：修复 user_scenarios 表约束
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-- 在生产 PostgreSQL 容器中执行此文件
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-- 1. 允许 description 为空
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ALTER TABLE user_scenarios
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ALTER COLUMN description DROP NOT NULL;
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-- 2. 修复 prompt 长度约束（从 50 改为 10，与代码一致）
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ALTER TABLE user_scenarios
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DROP CONSTRAINT IF EXISTS check_prompt_length;
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ALTER TABLE user_scenarios
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ADD CONSTRAINT check_prompt_length CHECK (char_length(prompt) >= 10 AND char_length(prompt) <= 2000);
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-- 更新注释
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COMMENT ON COLUMN user_scenarios.description IS '简短描述，可选，显示在情景卡片上（允许为空）';
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COMMENT ON COLUMN user_scenarios.prompt IS '角色 System Prompt，定义 AI 行为（10-2000 字符）';
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-- 验证修改
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SELECT
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con.conname AS constraint_name,
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pg_get_constraintdef(con.oid) AS constraint_definition
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FROM pg_constraint con
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JOIN pg_class rel ON rel.oid = con.conrelid
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WHERE rel.relname = 'user_scenarios'
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AND con.conname = 'check_prompt_length';
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