Es document operation

1. The new document ( Be sure to add documents id, Otherwise, documents will be generated randomly id)

grammar ：

POST / Index library name /_doc/ file id
{
    " Field 1": " value 1",
    " Field 2": " value 2",
    " Field 3": {
        " Sub properties 1": " value 3",
        " Sub properties 2": " value 4"
    },
    // ...
}

Example ：

POST /xiaoze/_doc/1
{
    "info": "xiaoze Study Java",
    "email": "[email protected]",
    "name": {
        "firstName": " Hao ",
        "lastName": " o "
    }
} 

2. Query the document

according to rest style , What's new is post, The query should be get, However, queries generally require conditions , Here we put the document id close .

grammar ：

GET /{ Index library name }/_doc/{id} 

adopt kibana View the data ：

GET /xiaoze/_doc/1 

3. Delete the document

Delete use DELETE request , Again , Need basis id To delete ：

grammar ：

DELETE /{ Index library name }/_doc/id value  

Example ：

# according to id Delete data
DELETE /xiaoze/_doc/1 

4. Modify the document

There are two ways to modify ：

• Full revision ： Directly overwrite the original document

• Incremental changes ： Modify some fields in the document

4.1. Full revision

Full modification is to overwrite the original document , Its essence is ：

• According to the designation id Delete the document

• Add the same id Documents

Be careful ： If according to id deleted ,id non-existent , The addition of the second step will also be executed , It changes from modifying to adding .

grammar ：

 PUT /{ Index library name }/_doc/ file id
{
    " Field 1": " value 1",
    " Field 2": " value 2",
    // ... A little
}

4.2. Incremental changes

Incremental modification is to modify only the specified id Some fields in the matching document .

grammar ：

POST /{ Index library name }/_update/ file id
{
    "doc": {
         " Field name ": " New value ",
    }
} 

Example ：

POST /xiaoze/_update/1
{
  "doc": {
    "email": "[email protected]"
  }
} 

5. summary

What are the document operations ？

• create documents ：POST /{ Index library name }/_doc/ file id { json file }

• Query the document ：GET /{ Index library name }/_doc/ file id

• Delete the document ：DELETE /{ Index library name }/_doc/ file id

• Modify the document ：

  • Full revision ：PUT /{ Index library name }/_doc/ file id { json file }

  • Incremental changes ：POST /{ Index library name }/_update/ file id { "doc": { Field }}