Contributor Challenges (Collection-1)

[lumianph]

The OpenMLDB project is a community-driven project, thus we welcome all kinds of contribution from the community. We have started an OpenMLDB Contributor Program, which provides rewards to encourage you to join our community.

Here is the explanation about this program (we also provide a Chinese version here):

• We have listed issues that are suitable for contributors who join the OpenMLDB community for the first time (see the below list). If you would like to contribute, please leave a message of "I would like to help". When a PR is submitted, please also link the PR to the corresponding issue.
• For a successful contributor, in order to redeem your rewards (mouse pad, USB hub, OpenMLDB customized souvenir and so on), please shoot an email to contact@openmldb.ai, or join Slack to contact us.
• Before you start, we strongly encourage to read through our Contribution Guideline.

We have categorized issues to help you find topics that interest you.

Documentations

• editing and translation for the APIServer doc #826
• editing and translation for the data import doc #827
• translate the deployment doc from Chinese to English #914

Built-in functions
Before getting start, you may find our helpful development guide for built-in function (中文版本).

• built-in function: Supportlcase() and lower() #784
• built-in function: Support dayofyear() function #785
• built-in function: Support reverse() function #786
• built-in function: Support degrees() function #787
• built-in function: Support RADIANS() function #788
• built-in-function: Support char(int) function #817
• built-in function: Support char_length() and character_length() function #818
• built-in function: Support hex() function #819
• built-in function: Support locate(substr, str[, pos]) function #820
• built-in-function: Support last_day(TIMESTAMP) function #821
• built-in function: Support unhex() function #822

Codebase cleanup

• Remove the relevant code of NearLineTablet #810
• Delete unused commands in tablet client #811
• Delete unused scripts #813

compilation and release processes (CICD)

• enable python style check via pylint #315
• Automatic packaging openmldb-import after tag creation #323