feat: add respective get_by_path UDFs for JSON type

[CookiePieWw]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

#3686 #4515 #4230

What's changed and what's your intention?

Add respective get_by_path for json type. see https://github.com/datafuselabs/jsonb?tab=readme-ov-file#operators for the supported operators in the path.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

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[WenyXu]

Nice work! 🤩 Rest LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 89.43894% with 32 lines in your changes missing coverage. Please review.

Project coverage is 84.53%. Comparing base (ff40d51) to head (b3b268a).
Report is 18 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4720      +/-   ##
==========================================
- Coverage   84.81%   84.53%   -0.29%     
==========================================
  Files        1114     1115       +1     
  Lines      200739   201197     +458     
==========================================
- Hits       170250   170072     -178     
- Misses      30489    31125     +636     

[killme2008]

I really dislike the name "get_by_path_xxx" because it doesn't reflect any JSON-related meaning and could potentially conflict or be associated with other function names. Perhaps we could change it to "json_path_xxx"?

What do you think? @WenyXu @CookiePieWw

[WenyXu]

I really dislike the name "get_by_path_xxx" because it doesn't reflect any JSON-related meaning and could potentially conflict or be associated with other function names. Perhaps we could change it to "json_path_xxx"?

What do you think? @WenyXu @CookiePieWw

How about json_get_xxx?👀

[killme2008]

I really dislike the name "get_by_path_xxx" because it doesn't reflect any JSON-related meaning and could potentially conflict or be associated with other function names. Perhaps we could change it to "json_path_xxx"?
What do you think? @WenyXu @CookiePieWw

How about json_get_xxx?👀

LGTM

[paomian]

LGTM, but we should add some test for this udf in the where clause in the next pr.