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Elastic Docs ›Elasticsearch Guide [7.12] ›REST APIs ›Index APIs

Get mapping API

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Get mapping API

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Retrieves mapping definitions for one or more indices. For data streams, the API retrieves mappings for the stream’s backing indices.

GET /my-index-000001/_mapping

Before 7.0.0, the mappings definition used to include a type name. Although mappings in responses no longer contain a type name by default, you can still request the old format through the parameter include_type_name. For more details, please see Removal of mapping types.

Request

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GET /_mapping

GET /<target>/_mapping

Prerequisites

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  • If the Elasticsearch security features are enabled, you must have the view_index_metadata or manage index privilege for the target data stream, index, or index alias.

Path parameters

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<target>

(Optional, string) Comma-separated list of data streams, indices, and index aliases used to limit the request. Wildcard expressions (*) are supported.

To target all data streams and indices in a cluster, omit this parameter or use _all or *.

Query parameters

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allow_no_indices

(Optional, Boolean) If false, the request returns an error if any wildcard expression, index alias, or _all value targets only missing or closed indices. This behavior applies even if the request targets other open indices. For example, a request targeting foo*,bar* returns an error if an index starts with foo but no index starts with bar.

Defaults to true.

expand_wildcards

(Optional, string) Type of index that wildcard expressions can match. If the request can target data streams, this argument determines whether wildcard expressions match hidden data streams. Supports comma-separated values, such as open,hidden. Valid values are:

all
Match any data stream or index, including hidden ones.
open
Match open, non-hidden indices. Also matches any non-hidden data stream.
closed
Match closed, non-hidden indices. Also matches any non-hidden data stream. Data streams cannot be closed.
hidden
Match hidden data streams and hidden indices. Must be combined with open, closed, or both.
none
Wildcard expressions are not accepted.

Defaults to open.

include_type_name
[7.0.0] Deprecated in 7.0.0. Mapping types have been deprecated. See Removal of mapping types. (Optional, boolean) If true, a mapping type is expected in the body of mappings. Defaults to false.
ignore_unavailable
(Optional, Boolean) If false, the request returns an error if it targets a missing or closed index. Defaults to false.
local
(Optional, Boolean) If true, the request retrieves information from the local node only. Defaults to false, which means information is retrieved from the master node.
master_timeout
(Optional, time units) Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.

Examples

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Multiple data streams and indices

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The get mapping API can be used to get more than one data stream or index with a single call. General usage of the API follows the following syntax: host:port/<target>/_mapping where <target> can accept a comma-separated list of names. To get mappings for all data streams and indices in a cluster, use _all or * for <target> or omit the <target> parameter. The following are some examples:

GET /my-index-000001,my-index-000002/_mapping

If you want to get mappings of all indices in a cluster, the following examples are equivalent:

GET /*/_mapping

GET /_all/_mapping

GET /_mapping
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