Status

Current state: [One of "Under Discussion", "Accepted", "Rejected"]

Discussion thread: https://lists.apache.org/thread/nkn6vn1dp5r9t2wy65qy2lt1chmph46n

JIRA or Github Issue: 

Released: <Doris Version>

Google Doc: <If the design in question is unclear or needs to be discussed and reviewed, a Google Doc can be used first to facilitate comments from others.>

Motivation

Describe the problems you are trying to solve.

Related Research

some research related to the function, such as the advantages and disadvantages of the design, related considerations, etc.

Detailed Design

the detailed design of the function.

Scheduling

specific implementation steps and approximate scheduling.