1、ES批量查詢

• 批量查詢采用的是_mget的語法操作峡懈。例子：

GET /_mget
{
  "docs":[{
  "_index":"test_index",
  "_type":"test_type",
  "_id":"12"},
  {
  "_index":"test_index",
  "_type":"test_type",
  "_id":"13"}
  ]
}
結(jié)果：
{
  "docs": [
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "12",
      "_version": 4,
      "found": true,
      "_source": {
        "test_filed1": "xxx my test",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    },
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "13",
      "_version": 1,
      "found": true,
      "_source": {
        "test_filed1": "my test1",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    }
  ]
}

• 當(dāng)然璃饱，如果是index都相同的情況，那么可以采用如下方式：

GET /test_index/_mget
{
  "docs":[
        {
            "_type":"test_type",
            "_id":"12"
        },
        {
            "_type":"test_type",
            "_id":"13"
        }
    ]
}
結(jié)果：
{
  "docs": [
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "12",
      "_version": 4,
      "found": true,
      "_source": {
        "test_filed1": "xxx my test",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    },
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "13",
      "_version": 1,
      "found": true,
      "_source": {
        "test_filed1": "my test1",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    }
  ]
}

• 同樣肪康，當(dāng)index和type都一致的情況下荚恶，可以這樣查詢，如下：

GET /test_index/test_type/_mget
{
  "docs":[
        {
            "_id":"12"
        },
        {
            "_id":"13"
        }
    ]
}   or
GET /test_index/test_type/_mget
{
  "ids":[12,13]
}
結(jié)果：
{
  "docs": [
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "12",
      "_version": 4,
      "found": true,
      "_source": {
        "test_filed1": "xxx my test",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    },
    {
      "_index": "test_index",
      "_type": "test_type",
      "_id": "13",
      "_version": 1,
      "found": true,
      "_source": {
        "test_filed1": "my test1",
        "test_filed2": "my test2",
        "test_filed3": "my test3"
      }
    }
  ]
}

2梅鹦、ES批量修改

• 使用bulk的api來進行批量的修改操作裆甩，里面涉及的操作和批量查詢有點區(qū)別，但是原理都是一樣的齐唆∴退ǎ可以使用update或者index

POST /test_index/test_type/_bulk
{"update":{"_id":12}}
{"doc":{"test_filed1":"test update bulk12"}}
{"update":{"_id":13}}
{"doc":{"test_filed1":"test update bulk13"}}

3、ES批量刪除

• 同樣是使用bulk的api來進行批量刪除箍邮，但是刪除有一個特性茉帅，就是只需要一行就夠了。

POST /_bulk
{"delete":{"_index":"test_index","_type":"test_type","_id":10}}
{"delete":{"_index":"test_index","_type":"test_type","_id":11}}

4锭弊、ES批量增加

• 增加有2種方式堪澎，一種是create,一種是index,create方式類似于我們的put操作

POST /_bulk
{"create":{"_index":"test_index","_type":"test_type","_id":3}}
{"test_filed1":"test bulk create test3"}
{"create":{"_index":"test_index","_type":"test_type","_id":2}}
{"test_filed1":"test bulk create test2"}