[[esql-functions-operators]]
=== {esql} functions and operators
++++
<titleabbrev>Functions and operators</titleabbrev>
++++

{esql} provides a comprehensive set of functions and operators for working with data.
The reference documentation is divided into the following categories:

[[esql-functions]]
==== Functions overview

.*Aggregate functions*
[%collapsible]
====
include::functions/aggregation-functions.asciidoc[tag=agg_list]
====

.*Math functions*
[%collapsible]
====
include::functions/math-functions.asciidoc[tag=math_list]
====

.*String functions*
[%collapsible]
====
include::functions/string-functions.asciidoc[tag=string_list]
====

.*Date and time functions*
[%collapsible]
====
include::functions/date-time-functions.asciidoc[tag=date_list]
====

.*Spatial functions*
[%collapsible]
====
include::functions/spatial-functions.asciidoc[tag=spatial_list]
====

.*Type conversion functions*
[%collapsible]
====
include::functions/type-conversion-functions.asciidoc[tag=type_list]
====

.*Conditional functions and expressions*
[%collapsible]
====
include::functions/conditional-functions-and-expressions.asciidoc[tag=cond_list]
====

.*Multi value functions*
[%collapsible]
====
include::functions/mv-functions.asciidoc[tag=mv_list]
====

[[esql-operators-overview]]
==== Operators overview

.*Operators*
[%collapsible]
====
include::functions/operators.asciidoc[tag=op_list]
====

include::functions/aggregation-functions.asciidoc[]
include::functions/math-functions.asciidoc[]
include::functions/string-functions.asciidoc[]
include::functions/date-time-functions.asciidoc[]
include::functions/spatial-functions.asciidoc[]
include::functions/type-conversion-functions.asciidoc[]
include::functions/conditional-functions-and-expressions.asciidoc[]
include::functions/mv-functions.asciidoc[]
include::functions/operators.asciidoc[]