elasticsearch/docs/reference/query-languages/esql.md

navigation_title	mapped_pages
{{esql}}	https://www.elastic.co/guide/en/elasticsearch/reference/current/esql-language.html

{{esql}} reference [esql-language]

:::{note} This section provides detailed reference information about the {{esql}} language, including syntax, functions, and operators.

For overview, conceptual, and getting started information, refer to the {{esql}} language overview in the Explore and analyze section. :::

{{esql}} is a piped query language for exploring and analyzing data in {{es}}. It is designed to be easy to use and understand, while also being powerful enough to handle complex data processing.

This reference section provides detailed technical information about {{esql}} features, syntax, and behavior:

• Syntax reference: Learn the basic syntax of commands, functions, and operators
• Advanced workflows: Learn how to handle more complex tasks with these guides, including how to extract, transform, and combine data from multiple indices
• Types and fields: Learn about how {{esql}} handles different data types and special fields
• Limitations: Learn about the current limitations of {{esql}}
• Examples: Explore some example queries