es

查询全部文档

GET users/_search

不存在结果：
{
  "error" : {
    "root_cause" : [
      {
        "type" : "index_not_found_exception",
        "reason" : "no such index [users]",
        "resource.type" : "index_or_alias",
        "resource.id" : "users",
        "index_uuid" : "_na_",
        "index" : "users"
      }
    ],
    "type" : "index_not_found_exception",
    "reason" : "no such index [users]",
    "resource.type" : "index_or_alias",
    "resource.id" : "users",
    "index_uuid" : "_na_",
    "index" : "users"
  },
  "status" : 404
}

创建文档--create

如果存在，则报错

PUT users/_create/1
{
  "user" : "nike",
  "firstname": "jack",
  "tags":["guitar", "skateboard"]
}

结果：
{
  "_index" : "users",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 1,
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 0,
  "_primary_term" : 1
}
存在，报错：
{
  "error" : {
    "root_cause" : [
      {
        "type" : "version_conflict_engine_exception",
        "reason" : "[1]: version conflict, document already exists (current version [1])",
        "index_uuid" : "B_oYNKB4Rpq4_eepVEq4QA",
        "shard" : "0",
        "index" : "users"
      }
    ],
    "type" : "version_conflict_engine_exception",
    "reason" : "[1]: version conflict, document already exists (current version [1])",
    "index_uuid" : "B_oYNKB4Rpq4_eepVEq4QA",
    "shard" : "0",
    "index" : "users"
  },
  "status" : 409
}

索引文档--index

存在则覆盖掉原先文档内容，并文档版本+1

PUT users/_doc/1
{
  "user" : "nike"
}

结果：
{
  "_index" : "users",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 2,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 1,
  "_primary_term" : 1
}

查询文档--GET

GET users/_doc/1

结果：
{
  "_index" : "users",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 2,
  "_seq_no" : 1,
  "_primary_term" : 1,
  "found" : true,
  "_source" : {
    "user" : "nike"
  }
}

更新文档--update

更新文档数据，不会覆盖文档数据，版本号+1
更新文档数据，需求将更新数据放到doc里面

POST users/_update/1
{
  "doc": {
      "user" : "Mike",
      "post_date": "2019-04-15 00:00:00",
      "message": "trying out kibana"
  }
}

结果：
{
  "_index" : "users",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 3,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 2,
  "_primary_term" : 1
}

删除--DELETE

DELETE users

结果：
{
  "acknowledged" : true
}

批量操作--Bulk API

1. 支持在一次AP操作中，对不同索引操作
2. 支持4中类型操作

• index
• create
• update
• delete
  3.可以url中指定index, 也可以在playload中进行
  4.操作单条失败，并不影响其他操作
  5.返回结果包括每一条操作执行对结果

POST _bulk 
{"index": {"_index" : "test", "_id":"1"}}
{"field1": "value1"}
{"delete": {"_index" : "test", "_id":"2"}}
{"create": {"_index" : "test2", "_id":"3"}}
{"field1": "value2"}
{"update": {"_id" : "1", "_index":"test"}}
{"doc" : {"field2":"value2"}}

结果：
{
  "took" : 394,
  "errors" : false,
  "items" : [
    {
      "index" : {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "1",
        "_version" : 3,
        "result" : "updated",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 2,
        "_primary_term" : 1,
        "status" : 200
      }
    },
    {
      "delete" : {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "2",
        "_version" : 1,
        "result" : "not_found",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 3,
        "_primary_term" : 1,
        "status" : 404
      }
    },
    {
      "create" : {
        "_index" : "test2",
        "_type" : "_doc",
        "_id" : "3",
        "_version" : 1,
        "result" : "created",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 0,
        "_primary_term" : 1,
        "status" : 201
      }
    },
    {
      "update" : {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "1",
        "_version" : 4,
        "result" : "updated",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 4,
        "_primary_term" : 1,
        "status" : 200
      }
    }
  ]
}

批量查询--MGET

需要将多个查询文档index及_id 以单个子项 放到 以 docs 键名的数组中

GET _mget
{
  "docs" : [
    {
      "_index" : "users",
      "_id": 1
    },
    {
      "_index" : "test",
      "_id": 1
    }
  ]
}

结果：
{
  "docs" : [
    {
      "_index" : "users",
      "_type" : "_doc",
      "_id" : "1",
      "_version" : 3,
      "_seq_no" : 2,
      "_primary_term" : 1,
      "found" : true,
      "_source" : {
        "user" : "Mike",
        "post_date" : "2019-04-15 00:00:00",
        "message" : "trying out kibana"
      }
    },
    {
      "_index" : "test",
      "_type" : "_doc",
      "_id" : "1",
      "_version" : 4,
      "_seq_no" : 4,
      "_primary_term" : 1,
      "found" : true,
      "_source" : {
        "field1" : "value1",
        "field2" : "value2"
      }
    }
  ]
}