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名师互学网 > IT > 前沿技术 > 大数据 > 大数据系统

ES之简单查询(入门)

ES之简单查询(入门)

ES之简单查询(入门)

1.全量查询
发送 【GET】 请求:http://127.0.0.1:9200/test-index-3/_search,返回结果如下

{
    "took": 4,
    "timed_out": false,
    "_shards": {
        "total": 1,
        "successful": 1,
        "skipped": 0,
        "failed": 0
    },
    "hits": {
        "total": {
            "value": 9,
            "relation": "eq"
        },
        "max_score": 1.0,
        "hits": [
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "eRMytH0BHlYshFmWCaR-",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "ehM0tH0BHlYshFmWF6Tt",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "exM0tH0BHlYshFmWH6S7",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1001",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1002",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1003",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1004",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1005",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            },
            {
                "_index": "test-index-3",
                "_type": "_doc",
                "_id": "1006",
                "_score": 1.0,
                "_source": {
                    "title": "test",
                    "num": 1,
                    "date": "20211213"
                }
            }
        ]
    }
}

2.根据id精确查找数据
发送 【GET】 请求:http://127.0.0.1:9200/test-index-3/_doc/1001,返回结果如下

{
    "_index": "test-index-3",
    "_type": "_doc",
    "_id": "1001",
    "_version": 3,
    "_seq_no": 5,
    "_primary_term": 1,
    "found": true,
    "_source": {
        "title": "test",
        "num": 1,
        "date": "20211213"
    }
}
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