elasticsearch/docs/reference/esql/functions/to_string.asciidoc
Abdon Pijpelink e87c49cb4b
[DOCS] Improve ES|QL functions reference for functions E-Z (#104623)
* Functions E-Z

* Incorporate changes from #103686

* More functions

* More functions

* Update docs/reference/esql/functions/floor.asciidoc

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Update docs/reference/esql/functions/left.asciidoc

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Alexander Spies <alexander.spies@elastic.co>

* Review feedback

* Fix geo_shape description

* Change 'colum'/'field' into 'expressions'

* Review feedback

* One more

---------

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Alexander Spies <alexander.spies@elastic.co>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2024-01-25 16:32:24 +01:00

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[discrete]
[[esql-to_string]]
=== `TO_STRING`
*Alias*
`TO_STR`
[.text-center]
image::esql/functions/signature/to_string.svg[Embedded,opts=inline]
*Parameters*
`v`::
Input value. The input can be a single- or multi-valued column or an expression.
*Description*
Converts an input value into a string.
*Supported types*
include::types/to_string.asciidoc[]
*Example*
[source.merge.styled,esql]
----
include::{esql-specs}/string.csv-spec[tag=to_string]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/string.csv-spec[tag=to_string-result]
|===
It also works fine on multivalued fields:
[source.merge.styled,esql]
----
include::{esql-specs}/string.csv-spec[tag=to_string_multivalue]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/string.csv-spec[tag=to_string_multivalue-result]
|===