[Draft] Batch updated by key groups

[suddendust]

Description

Please include a summary of the change, motivation and context.

Testing

Please describe the tests that you ran to verify your changes. Please summarize what did you test and what needs to be tested e.g. deployed and tested helm chart locally.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[codecov]

Codecov Report

❌ Patch coverage is 85.85859% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.60%. Comparing base (fc37c39) to head (d869af5).

Files with missing lines	Patch %	Lines
...documentstore/postgres/FlatPostgresCollection.java	85.85%	10 Missing and 4 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #303      +/-   ##
============================================
- Coverage     81.77%   81.60%   -0.18%     
  Complexity     1532     1532              
============================================
  Files           241      241              
  Lines          7409     7492      +83     
  Branches        716      724       +8     
============================================
+ Hits           6059     6114      +55     
- Misses          905      931      +26     
- Partials        445      447       +2     

Flag	Coverage Δ
integration	81.60% <85.85%> (-0.18%)	⬇️
unit	55.20% <0.00%> (-0.62%)	⬇️

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[github-actions]

Test Results

  122 files  ±0    122 suites  ±0   35s ⏱️ -1s
  825 tests +1    824 ✅ +1  1 💤 ±0  0 ❌ ±0 
1 162 runs  +1  1 161 ✅ +1  1 💤 ±0  0 ❌ ±0 

Results for commit d869af5. ± Comparison against base commit fc37c39.