### DDL 创建
```sql

```
### DDL修改
```sql
alter table ai_material  
    add is_summarized bool default true null comment '是否已总结';
    
    
alter table ai_intelligence_reply  
    add match_scene json   
after advice_reply;  
  
alter table ai_intelligence_reply  
    add match_type int default 1 not null after advice_reply;
```