Hi Zhengguo,
This is a very valuable feature.
Before Doris supports syntax of update, although Doris can also update data
indirectly through the uniq model, it is very cumbersome to use.
The user is required to retain the full amount of new data.
If necessary, I have a better understanding of th
## Background
The current Doris table does not support the update operation, but there
are many scenarios where the data needs to be updated. Due to the batch
delete function we implemented before, it paved the way for the update.
## Syntax
We only support single table update
```
UPDATE table_n
