--- navigation_title: "Functions and operators" mapped_pages: - https://www.elastic.co/guide/en/elasticsearch/reference/current/esql-functions-operators.html --- # {{esql}} functions and operators [esql-functions-operators] {{esql}} provides a comprehensive set of functions and operators for working with data. The reference documentation is divided into the following categories: ## Functions overview [esql-functions] ::::{dropdown} Aggregate functions :::{include} _snippets/lists/aggregation-functions.md ::: :::: ::::{dropdown} Grouping functions :::{include} _snippets/lists/grouping-functions.md ::: :::: ::::{dropdown} Conditional functions and expressions :::{include} _snippets/lists/conditional-functions-and-expressions.md ::: :::: ::::{dropdown} Date and time functions :::{include} _snippets/lists/date-time-functions.md ::: :::: ::::{dropdown} IP functions :::{include} _snippets/lists/ip-functions.md ::: :::: ::::{dropdown} Math functions :::{include} _snippets/lists/math-functions.md ::: :::: ::::{dropdown} Search functions :::{include} _snippets/lists/search-functions.md ::: :::: ::::{dropdown} Spatial functions :::{include} _snippets/lists/spatial-functions.md ::: :::: ::::{dropdown} String functions :::{include} _snippets/lists/string-functions.md ::: :::: ::::{dropdown} Type conversion functions :::{include} _snippets/lists/type-conversion-functions.md ::: :::: ::::{dropdown} Multi value functions :::{include} _snippets/lists/mv-functions.md ::: :::: ## Operators overview [esql-operators-overview] ::::{dropdown} Operators :::{include} _snippets/lists/operators.md ::: :::: % Below this is the bulk of the real content :::{include} _snippets/aggregation-functions.md ::: :::{include} _snippets/grouping-functions.md ::: :::{include} _snippets/conditional-functions-and-expressions.md ::: :::{include} _snippets/date-time-functions.md ::: :::{include} _snippets/ip-functions.md ::: :::{include} _snippets/math-functions.md ::: :::{include} _snippets/search-functions.md ::: :::{include} _snippets/spatial-functions.md ::: :::{include} _snippets/string-functions.md ::: :::{include} _snippets/type-conversion-functions.md ::: :::{include} _snippets/mv-functions.md ::: :::{include} _snippets/operators.md :::