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_meta
fieldedit
A mapping type can have custom meta data associated with it. These are not used at all by Elasticsearch, but can be used to store application-specific metadata, such as the class that a document belongs to:
response = client.indices.create( index: 'my-index-000001', body: { mappings: { _meta: { class: 'MyApp::User', version: { min: '1.0', max: '1.3' } } } } ) puts response
PUT my-index-000001 { "mappings": { "_meta": { "class": "MyApp::User", "version": { "min": "1.0", "max": "1.3" } } } }
This |
The _meta
field can be updated on an existing type using the
update mapping API:
response = client.indices.put_mapping( index: 'my-index-000001', body: { _meta: { class: 'MyApp2::User3', version: { min: '1.3', max: '1.5' } } } ) puts response
PUT my-index-000001/_mapping { "_meta": { "class": "MyApp2::User3", "version": { "min": "1.3", "max": "1.5" } } }