Add derived_source_keep parameter for array preservation in derived source#22253

praveenvenkat06 wants to merge 11 commits into

opensearch-project:mainopensearch-project/OpenSearch:mainfrom

praveenvenkat06:feature/support-field-level-array-preservationpraveenvenkat06/OpenSearch:feature/support-field-level-array-preservationCopy head branch name to clipboard