elasticsearch/docs/reference/esql/esql-query-api.asciidoc
AlexB 931dcae41d
Add improvements to the ES|QL docs (#101195)
Content and structural improvements to the ES|QL docs

---------

Co-authored-by: Alexandros Batsakis <abatsakis@splunk.com>
Co-authored-by: Abdon Pijpelink <abdon.pijpelink@elastic.co>
2023-10-23 07:45:42 -07:00

97 lines
2.2 KiB
Text

[[esql-query-api]]
== {esql} query API
++++
<titleabbrev>{esql} query API</titleabbrev>
++++
Returns search results for an <<esql,ES|QL ({es} query language)>> query.
[source,console]
----
POST /_query
{
"query": """
FROM library
| EVAL year = DATE_TRUNC(1 YEARS, release_date)
| STATS MAX(page_count) BY year
| SORT year
| LIMIT 5
"""
}
----
// TEST[setup:library]
[discrete]
[[esql-query-api-request]]
=== {api-request-title}
`POST _query`
[discrete]
[[esql-query-api-prereqs]]
=== {api-prereq-title}
* If the {es} {security-features} are enabled, you must have the `read`
<<privileges-list-indices,index privilege>> for the data stream, index,
or alias you search.
[discrete]
[[esql-query-api-query-params]]
=== {api-query-parms-title}
`delimiter`::
(Optional, string) Separator for CSV results. Defaults to `,`. The API only
supports this parameter for CSV responses.
`format`::
(Optional, string) Format for the response. For valid values, refer to
<<esql-rest-format>>.
+
You can also specify a format using the `Accept` HTTP header. If you specify
both this parameter and the `Accept` HTTP header, this parameter takes
precedence.
[discrete]
[role="child_attributes"]
[[esql-query-api-request-body]]
=== {api-request-body-title}
`columnar`::
(Optional, Boolean) If `true`, returns results in a columnar format. Defaults to
`false`. The API only supports this parameter for CBOR, JSON, SMILE, and YAML
responses. See <<esql-rest-columnar>>.
`params`::
(Optional, array) Values for parameters in the `query`. For syntax, refer to
<<esql-rest-params>>.
`query`::
(Required, object) {esql} query to run. For syntax, refer to <<esql-syntax>>.
[[esql-search-api-time-zone]]
`time_zone`::
(Optional, string) ISO-8601 time zone ID for the search. Several {esql}
date/time functions use this time zone. Defaults to `Z` (UTC).
[discrete]
[role="child_attributes"]
[[esql-query-api-response-body]]
=== {api-response-body-title}
`columns`::
(array of objects)
Column headings for the search results. Each object is a column.
+
.Properties of `columns` objects
[%collapsible%open]
====
`name`::
(string) Name of the column.
`type`::
(string) Data type for the column.
====
`rows`::
(array of arrays)
Values for the search results.