[OSCI][FIX] Discover: Fix the Subfields Display Issue (#5429)

* set flattenHit() deep param as true to allow iterate on nested object Signed-off-by: Qiwen Li <[email protected]> --------- Signed-off-by: qiwen li <[email protected]> Signed-off-by: Qiwen Li <[email protected]> Signed-off-by: Miki <[email protected]> Signed-off-by: Anan Zhuang <[email protected]> Co-authored-by: Miki <[email protected]> Co-authored-by: Anan Zhuang <[email protected]>
opensearch-project · Nov 15, 2023 · 40ba1f5 · 40ba1f5
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -48,6 +48,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [Workspace] Add core workspace service module to enable the implementation of workspace features within OSD plugins ([#5092](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5092))
 - [Workspace] Setup workspace skeleton and implement basic CRUD API ([#5075](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5075))
 - [Decouple] Add new cross compatibility check core service which export functionality for plugins to verify if their OpenSearch plugin counterpart is installed on the cluster or has incompatible version to configure the plugin behavior([#4710](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4710))
+- [Discover] Display inner properties in the left navigation bar [#5429](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5429)
 
 ### 🐛 Bug Fixes
 

diff --git a/src/plugins/data/common/index_patterns/index_patterns/flatten_hit.ts b/src/plugins/data/common/index_patterns/index_patterns/flatten_hit.ts
@@ -112,7 +112,7 @@ export function flattenHitWrapper(
   metaFields = {},
   cache = new WeakMap()
 ) {
-  return function cachedFlatten(hit: Record<string, any>, deep = false) {
+  return function cachedFlatten(hit: Record<string, any>, deep = true) {
     const decorateFlattened = decorateFlattenedWrapper(hit, metaFields);
     const cached = cache.get(hit);
     const flattened = cached || flattenHit(indexPattern, hit, deep);