ElasticSearch Rest style operation (1) index operation

ElasticSearch Rest style operation (1) index operation

Basic Rest command description

method	url address	description
PUT	127.0.0.1:9200/index name/type name/document id	Create document (specify document id)
POST	127.0.0.1:9200/index name/type name	Create document (random document id)
POST	127.0.0.1:9200/index name/type name/document id/_update	Modify the document
DELETE	127.0.0.1:9200/index name/type name/document id	Delete document
GET	127.0.0.1:9200/index name/type name/document id	Query documents by document id
POST	127.0.0.1:9200/index name/type name/_search	Query all data

1. Create an index

PUT /test1/type1/1
{
  "name":"洪七公",
  "age":3
}

2. Specify the type of field

Common field types

String type text, keyword
numeric type long, integer, short, byte, double, float, half float, scalet float
date type date
Boolean type boolean
binary type binary
etc...

Example: execute the following script

PUT /test2
{
  "mappings": {
    "properties": {
      "name":{
        "type": "text"
      },
      "age":{
        "type": "long"
      },
      "birthday":{
        "type": "date"
      }
    }
  }
}

View Results:

3. GET command

GET test2

4. Get health value

GET _cat/health

5. Get version information

GET _cat/indices?v

6. Modify

6.1. Modification method 1

POST /test1/type1/1
{
  "name":"张三丰",
  "age":33
}

Execution:

Query:

6.2. Modification 2

POST /test1/type1/1/_update
{
  "doc":{
    "name":"六小龄童"
  }
}

7, delete

DELETE test2

Special thanks: Mad God said Java