OpenSearch Queries: Query DSL and Beyond

OpenSearch, a fork from the last open-source version of Elasticsearch, has rapidly evolved with a focus on removing proprietary elements and introducing new features. It primarily utilizes Query DSL for queries but supports SQL and the Piped Processing Language (PPL) via plugins, with PPL originating from AWS's Open Distro for Elasticsearch. The platform integrates these languages within its Query Workbench, enabling users to switch between them and export data in various formats like CSV and JSON. OpenSearch queries are categorized into full-text, term-level, and boolean queries, with options such as fuzziness for flexible searching. The PPL syntax, characterized by its use of pipes, offers commands like search, dedup, eval, and sort, facilitating complex data manipulations. Additionally, the OpenSearch SQL plugin supports advanced SQL queries, including JOINs and subqueries, providing a comprehensive toolset for data querying and analysis.

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