[Derived Fields] Add aggregation support for derived fields (#14618)

* Add aggregation support for derived fields Signed-off-by: Marc Handalian <[email protected]> * add unit test for a terms agg with derived fields Signed-off-by: Marc Handalian <[email protected]> * Fix license header and add changelog entry Signed-off-by: Marc Handalian <[email protected]> * move matrix_stats tests to aggs-matrix-stats module Signed-off-by: Marc Handalian <[email protected]> * Move matrix tests back and add dependency to painless module Signed-off-by: Marc Handalian <[email protected]> * add tests for all aggregations types and support ip_range Signed-off-by: Marc Handalian <[email protected]> * Add tests for agg script returned from DerivedFieldType Signed-off-by: Marc Handalian <[email protected]> * remove children aggs test as its not yet supported Signed-off-by: Marc Handalian <[email protected]> * Add more tests Signed-off-by: Marc Handalian <[email protected]> * fix changelog Signed-off-by: Marc Handalian <[email protected]> --------- Signed-off-by: Marc Handalian <[email protected]> (cherry picked from commit e26608b) Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
opensearch-project · Jul 29, 2024 · 1e69ade · 1e69ade
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased 2.x]
 ### Added
 - Fix for hasInitiatedFetching to fix allocation explain and manual reroute APIs (([#14972](https://github.com/opensearch-project/OpenSearch/pull/14972))
+- Add basic aggregation support for derived fields ([#14618](https://github.com/opensearch-project/OpenSearch/pull/14618))
 
 ### Dependencies
 - Bump `org.apache.commons:commons-lang3` from 3.14.0 to 3.15.0 ([#14861](https://github.com/opensearch-project/OpenSearch/pull/14861))

diff --git a/modules/lang-painless/build.gradle b/modules/lang-painless/build.gradle
@@ -46,6 +46,7 @@ ext {
 
 testClusters.all {
   module ':modules:mapper-extras'
+  module ':modules:aggs-matrix-stats'
   systemProperty 'opensearch.scripting.update.ctx_in_params', 'false'
   // TODO: remove this once cname is prepended to transport.publish_address by default in 8.0
   systemProperty 'opensearch.transport.cname_in_publish_address', 'true'