ElasticSearch Index API & amp; Mapping, elasticsearchapi

ElasticSearch Index API & Mapping, elasticsearchapi
ElasticSearch NEST Client operation Index

Var indexName = "twitter ";

Var deleteIndexResponse = client. DeleteIndex (indexName );
Var createIndexResponse = client. CreateIndex (indexName );
Var getIndexResponse = client. GetIndex (indexName );
Var indexExistsResponse = client. IndexExists (indexName );
Var openIndexResponse = client. OpenIndex (indexName );
Var closeIndexResponse = client. CloseIndex (indexName );

 

1. Create an Index

PUT twitter{}

 

2. Delete Index

DELETE /twitter

3. Get Index

GET /twitter

4. Check whether an Index exists.

HEAD twitter

5. Enable and disable Index

POST /twitter/_closePOST /twitter/_open

PUT mapping

1. Create an Index and add Mapping to the field

PUT twitter {  "mappings": {    "tweet": {      "properties": {        "message": {          "type": "text"        }      }    }  }}

2. Add the document type to the existing Index and specify Mapping

PUT twitter/_mapping/user {  "properties": {    "name": {      "type": "text"    }  }}

3. Add a new field Mapping to an existing Mapping.

PUT twitter/_mapping/tweet {  "properties": {    "user_name": {      "type": "text"    }  }}

Note: In general, the existing field Mapping cannot be modified.

Get Mapping API

Obtain the Mapping information of the entire document.

GET /twitter/_mapping/tweet

Get Field Mapping API

Obtains the ing information of a specified field.

GET publications/_mapping/article/field/title