[Backport 2.17] [Backport 2.x] [Star Tree] Scaled Float Support

[opensearch-trigger-bot]

Backport c801270 from #15660.

[github-actions]

❌ Gradle check result for da9985c: null

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for da9985c: null

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for da9985c: null

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for da9985c:

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for da9985c: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 20 lines in your changes missing coverage. Please review.

Project coverage is 71.67%. Comparing base (ccae165) to head (da9985c).
Report is 44 commits behind head on 2.17.

Files with missing lines	Patch %	Lines
...startree/builder/AbstractDocumentsFileManager.java	79.16%	2 Missing and 3 partials ⚠️
...datacube/startree/builder/BaseStarTreeBuilder.java	50.00%	1 Missing and 4 partials ⚠️
...ndex/compositeindex/datacube/DimensionFactory.java	20.00%	0 Missing and 4 partials ⚠️
...pensearch/index/mapper/ScaledFloatFieldMapper.java	60.00%	2 Missing ⚠️
...org/opensearch/index/mapper/NumberFieldMapper.java	87.50%	1 Missing and 1 partial ⚠️
...ube/startree/aggregators/MetricAggregatorInfo.java	75.00%	1 Missing ⚠️
...g/opensearch/index/mapper/DocCountFieldMapper.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               2.17   #15689      +/-   ##
============================================
- Coverage     71.73%   71.67%   -0.07%     
+ Complexity    64250    64228      -22     
============================================
  Files          5251     5251              
  Lines        300362   300439      +77     
  Branches      43704    43726      +22     
============================================
- Hits         215471   215344     -127     
- Misses        66908    67136     +228     
+ Partials      17983    17959      -24     

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[reta]

The 2.17.0 release has sailed away, this change was not included, @sachinpkale please target 2.17.1 if it is still planned for a possible patch release

[sarthakaggarwal97]

@reta got this merged as a part of this: #15716
Will close this PR. It's outdated! thanks for bringing this up