health-check

What is the feature you want to add?

polaris-server支持redis哨兵模式和集群模式

Why do you want to add this feature?

现有polaris-server只支持redis的直连模式，这种情况极度依赖 云上的redis产品。
建议polaris-server 支持 哨兵模式和redis 集群模式，支持polaris-server接入独立部署的redis。
哨兵模式 优先级高于 集群模式。
预期版本1.9和2.0。

How to implement this feature?
参考 github.com/go-redis/redis/v8

改造思路：
方案一：改写common/redispool/redis_pool.go，支持Univers

Sometimes in database migrations we've faced with curious constructions like

CREATE TABLE some_table
(
    id bigserial primary key,
    document_copy_id bigserial, // it's a foreign key
...

It's look like a code smell to use serial/bigserial type for foreign key column in that case.
So it would be great to have a diagnostic for finding and preventing such cases.

Also It would