[Enhancement] support limit query push down

[SongboWang1998]

Search before asking

• [X] I had searched in the issues and found no similar issues.

Description

I found that doris-spark-connector(v 1.3.0) does not support push-down of limit query yet. Will this cause a large performance burden on querying huge data tables?

Solution

add a configuration like DORIS_LIMIT_QUERY?

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!

Code of Conduct

• [X] I agree to follow this project's Code of Conduct