Mongo发版几乎不支持，语法各种不支持

### 重现步骤

Mongo发版几乎不支持，语法各种不支持

### 预期外的结果

Monogo常用dml DDL语句几乎都不支持

### 日志文本

_No response_

### 版本

1.8.4

### 部署方式

Docker

### 是否还有其他可以辅助定位问题的信息？比如数据库版本等

_No response_

Start by reviewing MongoDB support in version 1.8.4 and reproducing representative DML and DDL statements in the Docker deployment. The issue does not name files, tests, database versions, or specific failing statements; done would require defining and implementing the intended coverage for commonly used MongoDB DML and DDL syntax.

Written by the indexing model from the issue text.