Hi Fun Summer, play SQL planner with starrocks!

As the core of query engine ,Planner  It has an important impact on the overall query performance , But in the development, it faces no small information obstacles ：

• Daily optimization performance ,  Cannot do without  SQL  Implementation plan of , This implementation plan is made by  Planner  To generate

• Most developers only use  SQL , Yes  Planner  Little attention ,SQL  Once there is a performance problem in the implementation, you can only let it go  

• Planner  High learning cost 、 Lack of information , But it is also a hard threshold , Cross the past to become  SQL  Experts

This question , How to break ？

StarRocks  The old framework is being migrated to the new framework , Selected  Parser  and  Analyzer  The direction of the  30  Put development tasks into the community , New developers can get started with this  Planner！

Can experience a string  SQL  How step by step  StarRocks  To be executed , It is not a little help to understand the whole framework and system process ！

The community wants to help developers understand  StarRocks Planner  The specific implementation and design core of , At the same time, we should work together to broaden our thinking 、 Extract inspiration , Give Way  StarRocks  Generate better  Plan.

If you happen to be right  OLAP  Project interest ！ If you just need to learn  Planner  Knowledge of ！ If you happen to be a like-minded person who loves open source ！ It makes sense to finish this together 、 Work with long-term value

Activity flow

1.  Claim  Issue, Choose the task you are interested in , And make comments under the task , First come first served basis , Each person can choose one ：

https://github.com/StarRocks/starrocks/issues/7983

2.  Submit  PR

3.  PR  After submission , Wait patiently for the jury  Review

• After the code is submitted  CI  Will perform tests , It is necessary to ensure that all unit tests can pass ;

• stay  Review  Some modification suggestions may be put forward during the process , If there is no problem after the modification , Will merge into  StarRocks repo  Of  main  Branch , Your code will serve users and business scenarios all over the world , You will also be  StarRocks  Indispensable to the community  Contributor;

4.  In addition to development , Welcome to  StarRocks  Write study notes in community forums 、 Practical experience, etc , Help yourself remember and help more partners in the community ：

https://forum.starrocks.com/t/topic/2951

Event rewards

1. 

Successfully complete the development task

Classmate , The community has prepared limited edition customized silver medals and  StarRocks  Large capacity versatile backpack —— Go to work 、 Meetings and even appointments , You can fit almost everything you need ！

2.  If the development task is not completed ,

stay  StarRocks  Write study notes in community forums 、 The number of practical experience reaches two

,StarRocks  The community has prepared a small handheld fan for you —— Just concentrate on  StarRocks  Community practice , One day you can enter  OLAP  The supreme cool realm  

3.  Bole award ,

Recommend colleagues or friends to participate in activities and the recommended person  PR  By  Merge

, Recommenders can exchange classic hexahedral mugs —— Let more people join  StarRocks  Community , Exchange of learning 、 The look ！

Communication way

1.  If you encounter problems that need to be discussed in the development process , Please come here to ask questions  

https://join.slack.com/t/starrocks/shared_invite/zt-1abx8y176-n4PlK4GB5~Z1DladIbTXQw

（ Join in  StarRocks Slack,

Browse the channel - Join in #sig-planner channel - Free speech

）

2.  More activity details and learning materials , Welcome to scan the QR code of the poster below 、 Add the little assistant wechat of this activity , Join the group to communicate ！