query_string Relevance Function Implementation in SQL and PPL

[forestmvey]

Signed-off-by: Forest Vey forestv@bitquilltech.com

Description

Support for query_string function in SQL and PPL.

Issues Resolved

Github Issue: 191

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[dai-chen]

Thanks for the changes!

[joshuali925]

LGTM, thanks

[codecov-commenter]

Codecov Report

Merging #675 (fd73150) into main (e180d56) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #675      +/-   ##
============================================
+ Coverage     94.70%   94.74%   +0.04%     
- Complexity     2825     2857      +32     
============================================
  Files           282      283       +1     
  Lines          7609     7676      +67     
  Branches        558      561       +3     
============================================
+ Hits           7206     7273      +67     
  Misses          349      349              
  Partials         54       54              

Flag	Coverage Δ
query-workbench	62.76% <ø> (ø)
sql-engine	97.74% <100.00%> (+0.02%)	⬆️

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Impacted Files	Coverage Δ
...arch/storage/script/filter/FilterQueryBuilder.java	100.00% <ø> (ø)
...c/main/java/org/opensearch/sql/expression/DSL.java	100.00% <100.00%> (ø)
...h/sql/expression/function/BuiltinFunctionName.java	100.00% <100.00%> (ø)
...h/sql/expression/function/OpenSearchFunctions.java	100.00% <100.00%> (ø)
...ript/filter/lucene/relevance/QueryStringQuery.java	100.00% <100.00%> (ø)

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