[Backport 2.x] [Derived Fields] PR4: Capability to define derived fields in search request

[rishabhmaurya]

Description

Backport 645b1f1 from #12850.

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• [ ] Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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[github-actions]

Compatibility status:

Checks if related components are compatible with change 95f59e3

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/flow-framework.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/sql.git]

[github-actions]

✅ Gradle check result for 95f59e3: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 71.83099% with 60 lines in your changes are missing coverage. Please review.

Project coverage is 71.22%. Comparing base (0dd892c) to head (95f59e3).
Report is 127 commits behind head on 2.x.

Files	Patch %	Lines
.../org/opensearch/index/mapper/DerivedFieldType.java	66.66%	14 Missing ⚠️
...rg/opensearch/index/mapper/DerivedFieldMapper.java	50.00%	9 Missing ⚠️
...main/java/org/opensearch/search/SearchService.java	58.82%	4 Missing and 3 partials ⚠️
...opensearch/search/builder/SearchSourceBuilder.java	81.08%	0 Missing and 7 partials ⚠️
...java/org/opensearch/index/mapper/DerivedField.java	79.31%	6 Missing ⚠️
...earch/index/mapper/DerivedFieldSupportedTypes.java	60.00%	4 Missing and 2 partials ⚠️
...opensearch/action/search/SearchRequestBuilder.java	0.00%	2 Missing ⚠️
...nsearch/index/mapper/DerivedFieldValueFetcher.java	88.23%	1 Missing and 1 partial ⚠️
.../org/opensearch/index/query/DerivedFieldQuery.java	71.42%	2 Missing ⚠️
.../org/opensearch/index/query/QueryShardContext.java	88.88%	0 Missing and 2 partials ⚠️
... and 2 more

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #13163      +/-   ##
============================================
- Coverage     71.28%   71.22%   -0.06%     
- Complexity    60145    60614     +469     
============================================
  Files          4957     5001      +44     
  Lines        282799   285160    +2361     
  Branches      41409    41689     +280     
============================================
+ Hits         201591   203118    +1527     
- Misses        64189    64858     +669     
- Partials      17019    17184     +165     

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[msfroh]

Looks good ! I'll merge this as soon as we have the (broken) version update PR for main to switch the version checks to 2.14 over there too.

[rishabhmaurya]

have created - #13168