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OpenSearch/docs/reference/eql/requirements.asciidoc

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[DOCS] Add top-level EQL docs page. Adds EQL requirements page. (#51334) * Creates a top-level page for EQL in the ES reference. This page contains a high-level introduction and will include a nav for other EQL docs pages as they're built. * Creates a requirements page. This page outlines the fields needed to use EQL in ES.
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[role="xpack"]
[testenv="basic"]
[[eql-requirements]]
== EQL requirements
++++
<titleabbrev>Requirements</titleabbrev>
++++
[DOCS] EQL: Add `dev` admonition to EQL pages (#57531) (#57533) Adds the `dev` admonition to EQL features, which are in development under a feature flag.
2020-06-02 11:03:12 -04:00
dev::[]
[DOCS] Add basic EQL search tutorial docs (#51574) I plan to add additional sections to this page with future PRs: * Specify timestamp and event type fields * Specify a join key field * Filter using query DSL * Paginate a large response See #51057.
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[DOCS] Reorganize EQL requirements page
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EQL is schema-less and works well with most common log formats.
[TIP]
====
While no schema is required to use EQL in {es}, we recommend the
{ecs-ref}[Elastic Common Schema (ECS)]. The EQL search API is designed to work
with core ECS fields by default.
====
[DOCS] Add top-level EQL docs page. Adds EQL requirements page. (#51334) * Creates a top-level page for EQL in the ES reference. This page contains a high-level introduction and will include a nav for other EQL docs pages as they're built. * Creates a requirements page. This page outlines the fields needed to use EQL in ES.
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[discrete]
[[eql-required-fields]]
=== Required fields
[DOCS] Add data streams to EQL search docs (#58611) (#59404)
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In {es}, EQL assumes each document in a data stream or index corresponds to an
event.
[DOCS] Add top-level EQL docs page. Adds EQL requirements page. (#51334) * Creates a top-level page for EQL in the ES reference. This page contains a high-level introduction and will include a nav for other EQL docs pages as they're built. * Creates a requirements page. This page outlines the fields needed to use EQL in ES.
2020-01-27 16:03:23 -05:00
[DOCS] Add data streams to EQL search docs (#58611) (#59404)
2020-07-13 09:03:55 -04:00
To search a data stream or index using EQL, each document in the data stream or
index must contain the following field archetypes:
[DOCS] Add top-level EQL docs page. Adds EQL requirements page. (#51334) * Creates a top-level page for EQL in the ES reference. This page contains a high-level introduction and will include a nav for other EQL docs pages as they're built. * Creates a requirements page. This page outlines the fields needed to use EQL in ES.
2020-01-27 16:03:23 -05:00
[DOCS] Update EQL default event category and timestamp values (#53102) Updates the documented default `event_category_field` and `timestamp_field` values for the EQL search API. Also updates related guidance in the EQL requirement docs. Relates to #53073.
2020-03-04 09:16:27 -05:00
Event category::
[DOCS] Add top-level EQL docs page. Adds EQL requirements page. (#51334) * Creates a top-level page for EQL in the ES reference. This page contains a high-level introduction and will include a nav for other EQL docs pages as they're built. * Creates a requirements page. This page outlines the fields needed to use EQL in ES.
2020-01-27 16:03:23 -05:00
A field containing the event classification, such as `process`, `file`, or
`network`. This is typically mapped as a <<keyword,`keyword`>> field.
Timestamp::
A field containing the date and/or time the event occurred. This is typically
mapped as a <<date,`date`>> field.
[DOCS] EQL: Document nested field support (#56138) Notes that you cannot use EQL in ES to search the values of `nested` fields or their sub-fields. However, indices containing `nested` field mappings are otherwise supported.
2020-05-05 11:46:06 -04:00
[NOTE]
====
[DOCS] Replace `datatype` with `data type` (#58972) (#59184)
2020-07-07 14:59:35 -04:00
You cannot use a <<nested,`nested`>> field data type or the sub-fields of a
[DOCS] EQL: Document nested field support (#56138) Notes that you cannot use EQL in ES to search the values of `nested` fields or their sub-fields. However, indices containing `nested` field mappings are otherwise supported.
2020-05-05 11:46:06 -04:00
`nested` field dataype as the timestamp or event category field. See
<<eql-nested-fields>>.
====