206 lines
6.0 KiB
Plaintext
206 lines
6.0 KiB
Plaintext
[role="xpack"]
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[testenv="basic"]
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[[put-transform]]
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=== Create {transform} API
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[subs="attributes"]
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++++
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<titleabbrev>Create {transform}</titleabbrev>
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++++
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Instantiates a {transform}.
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[[put-transform-request]]
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==== {api-request-title}
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`PUT _transform/<transform_id>`
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[[put-transform-prereqs]]
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==== {api-prereq-title}
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* If the {es} {security-features} are enabled, you must have `manage_transform`
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cluster privileges to use this API. The built-in `transform_admin` role has
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these privileges. You must also have `read` and `view_index_metadata` privileges
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on the source index and `read`, `create_index`, and `index` privileges on the
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destination index. For more information, see <<security-privileges>> and
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<<built-in-roles>>.
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[[put-transform-desc]]
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==== {api-description-title}
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This API defines a {transform}, which copies data from source indices,
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transforms it, and persists it into an entity-centric destination index. The
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entities are defined by the set of `group_by` fields in the `pivot` object. You
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can also think of the destination index as a two-dimensional tabular data
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structure (known as a {dataframe}). The ID for each document in the
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{dataframe} is generated from a hash of the entity, so there is a unique row
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per entity. For more information, see <<transforms>>.
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When the {transform} is created, a series of validations occur to
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ensure its success. For example, there is a check for the existence of the
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source indices and a check that the destination index is not part of the source
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index pattern. You can use the `defer_validation` parameter to skip these
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checks.
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Deferred validations are always run when the {transform} is started,
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with the exception of privilege checks. When {es} {security-features} are
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enabled, the {transform} remembers which roles the user that created
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it had at the time of creation and uses those same roles. If those roles do not
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have the required privileges on the source and destination indices, the
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{transform} fails when it attempts unauthorized operations.
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IMPORTANT: You must use {kib} or this API to create a {transform}.
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Do not put a {transform} directly into any
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`.transform-internal*` indices using the Elasticsearch index API.
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If {es} {security-features} are enabled, do not give users any
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privileges on `.transform-internal*` indices. If you used transforms
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prior 7.5, also do not give users any privileges on
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`.data-frame-internal*` indices.
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[[put-transform-path-parms]]
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==== {api-path-parms-title}
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`<transform_id>`::
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(Required, string)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=transform-id]
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[[put-transform-query-parms]]
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==== {api-query-parms-title}
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`defer_validation`::
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(Optional, boolean) When `true`, deferrable validations are not run. This
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behavior may be desired if the source index does not exist until after the
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{transform} is created.
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[[put-transform-request-body]]
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==== {api-request-body-title}
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`description`::
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(Optional, string) Free text description of the {transform}.
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`dest`::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=dest]
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`dest`.`index`:::
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(Required, string)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=dest-index]
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`dest`.`pipeline`:::
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(Optional, string)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=dest-pipeline]
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`frequency`::
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(Optional, <<time-units, time units>>)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=frequency]
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`pivot`::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=pivot]
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`pivot`.`aggregations` or `aggs`:::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=pivot-aggs]
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`pivot`.`group_by`:::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=pivot-group-by]
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`pivot`.`max_page_search_size`:::
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(Optional, integer)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=pivot-max-page-search-size]
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`source`::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=source-transforms]
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`source`.`index`:::
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(Required, string or array)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=source-index-transforms]
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`source`.`query`:::
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(Optional, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=source-query-transforms]
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`sync`::
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(Optional, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=sync]
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`sync`.`time`:::
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(Required, object)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=sync-time]
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`sync`.`time`.`delay`::::
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(Optional, <<time-units, time units>>)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=sync-time-delay]
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`sync`.`time`.`field`::::
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(Required, string)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=sync-time-field]
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+
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--
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TIP: In general, it’s a good idea to use a field that contains the
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<<accessing-ingest-metadata,ingest timestamp>>. If you use a different field,
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you might need to set the `delay` such that it accounts for data transmission
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delays.
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--
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[[put-transform-example]]
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==== {api-examples-title}
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[source,console]
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--------------------------------------------------
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PUT _transform/ecommerce_transform
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{
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"source": {
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"index": "kibana_sample_data_ecommerce",
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"query": {
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"term": {
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"geoip.continent_name": {
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"value": "Asia"
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}
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}
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}
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},
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"pivot": {
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"group_by": {
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"customer_id": {
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"terms": {
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"field": "customer_id"
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}
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}
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},
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"aggregations": {
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"max_price": {
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"max": {
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"field": "taxful_total_price"
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}
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}
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}
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},
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"description": "Maximum priced ecommerce data by customer_id in Asia",
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"dest": {
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"index": "kibana_sample_data_ecommerce_transform",
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"pipeline": "add_timestamp_pipeline"
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},
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"frequency": "5m",
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"sync": {
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"time": {
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"field": "order_date",
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"delay": "60s"
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}
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}
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}
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--------------------------------------------------
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// TEST[setup:kibana_sample_data_ecommerce,add_timestamp_pipeline]
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When the {transform} is created, you receive the following results:
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[source,console-result]
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----
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{
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"acknowledged" : true
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}
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----
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