[BLOG] SQL search relevance, selective aggregation, and window functions in OpenSearch

[brijos]

Describe the blog post your would like to write
Blog detailing the SQL functions such as search relevance, selective aggregation, and windows recently added in OpenSearch.

What is the title of the blog post?
SQL search relevance, selective aggregation, and window functions in OpenSearch

Who are the authors?
brijos, dai-chen

What is the proposed posting date?
9/12/2022

[Yury-Fridlyand]

The blog post should refer to new SQL documentation for relevance search - in progress in opensearch-project/documentation-website#1111.