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[[dynamic-mapping]]
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== Dynamic mapping
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2013-08-29 07:24:34 +08:00
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2021-01-12 01:31:26 +08:00
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One of the most important features of {es} is that it tries to get
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out of your way and let you start exploring your data as quickly as possible.
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To index a document, you don't have to first create an index, define a mapping
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type, and define your fields -- you can just index a document and the index,
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type, and fields will display automatically:
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2019-09-06 22:55:16 +08:00
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[source,console]
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--------------------------------------------------
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PUT data/_doc/1 <1>
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{ "count": 5 }
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--------------------------------------------------
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2017-12-15 00:47:53 +08:00
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<1> Creates the `data` index, the `_doc` mapping type, and a field
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called `count` with data type `long`.
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2017-07-05 18:30:19 +08:00
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The automatic detection and addition of new fields is called
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_dynamic mapping_. The dynamic mapping rules can be customized to suit your
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purposes with:
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<<dynamic-field-mapping,Dynamic field mappings>>::
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The rules governing dynamic field detection.
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<<dynamic-templates,Dynamic templates>>::
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Custom rules to configure the mapping for dynamically added fields.
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2021-01-12 01:38:09 +08:00
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TIP: <<index-templates,Index templates>> allow you to configure the default
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mappings, settings and aliases for new indices, whether created
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automatically or explicitly.
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2017-07-05 18:30:19 +08:00
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include::dynamic/field-mapping.asciidoc[]
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include::dynamic/templates.asciidoc[]
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