Elasticsearch 学习笔记 高级查询

以下查询

POST 127.0.0.1:9200/book/_search

1、多条件查询

{
"query":{
"multi_match":{
"query":"chenjie",
"fields":["auther","title"]
}
}
}

结果：
{
"took": 11,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 1.2029922,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8jW8WW4oF9V8mhiGCp",
"_score": 1.2029922,
"_source": {
"word_count": "4000",
"author": "chenjie",
"title": "chenjie传",
"publish_date": "1994-09-27"
}
}
]
}
}

2、使用AND OR
{
"query":{
"query_string":{
"query":"(chenjie AND 入门) OR 活着 "
}
}
}

结果：
{
"took": 10,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 2,
"max_score": 1.9439287,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "1",
"_score": 1.9439287,
"_source": {
"doc": {
"title": "活着"
},
"title": "活着",
"word_count": 9000,
"author": "余华",
"publish_date": "2017-10-16"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1.7533967,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
}
]
}
}

3、指定查询的范围
{
"query":{
"query_string":{
"query":"(chenjie AND 入门) OR 活着 ",
"fields":["title","author"]
}
}
}

结果：
{
"took": 8,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 2,
"max_score": 1.8134993,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1.8134993,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "1",
"_score": 1.6831388,
"_source": {
"doc": {
"title": "活着"
},
"title": "活着",
"word_count": 9000,
"author": "余华",
"publish_date": "2017-10-16"
}
}
]
}
}

4、查询指定的列为给定条件的
{
"query":{
"term":{
"author":"chenjie"
}
}
}

结果：
{
"took": 6,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 3,
"max_score": 0.6931472,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 0.6931472,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0JvQ4oF9V8mhiGCi",
"_score": 0.47000363,
"_source": {
"word_count": "2000",
"author": "chenjie",
"title": "MySql从删库到跑路",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8jW8WW4oF9V8mhiGCp",
"_score": 0.47000363,
"_source": {
"word_count": "4000",
"author": "chenjie",
"title": "chenjie传",
"publish_date": "1994-09-27"
}
}
]
}
}

5、范围，日期
{
"query":{
"range":{
"publish_date":{
"gt":"1990-01-01",
"lte":"now"
}
}
}
}

结果：
{
"took": 303,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 5,
"max_score": 1,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0JvQ4oF9V8mhiGCi",
"_score": 1,
"_source": {
"word_count": "2000",
"author": "chenjie",
"title": "MySql从删库到跑路",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0UpQ4oF9V8mhiGCj",
"_score": 1,
"_source": {
"word_count": "8000",
"author": "路遥",
"title": "平凡的世界",
"publish_date": "2000-01-01"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8jW8WW4oF9V8mhiGCp",
"_score": 1,
"_source": {
"word_count": "4000",
"author": "chenjie",
"title": "chenjie传",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "1",
"_score": 1,
"_source": {
"doc": {
"title": "活着"
},
"title": "活着",
"word_count": 9000,
"author": "余华",
"publish_date": "2017-10-16"
}
}
]
}
}

6、filter指定列
{
"query":{
"bool":{
"filter":{
"term":{
"word_count": 1000
}
}
}
}
}

结果：
{
"took": 16,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 0,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 0,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
}
]
}
}

7、固定分数
{
"query":{
"constant_score":{
"filter":{
"match":{
"author":"chenjie"
}
}
}
}
}

结果：
{
"took": 30,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 3,
"max_score": 1,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0JvQ4oF9V8mhiGCi",
"_score": 1,
"_source": {
"word_count": "2000",
"author": "chenjie",
"title": "MySql从删库到跑路",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8jW8WW4oF9V8mhiGCp",
"_score": 1,
"_source": {
"word_count": "4000",
"author": "chenjie",
"title": "chenjie传",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
}
]
}
}

固定分数给定分数：
{
"query":{
"constant_score":{
"filter":{
"match":{
"author":"chenjie"
}
},
"boost":2
}
}
}

8、使用should关键字，或逻辑

{
"query":{
"bool":{
"should":[
{
"match":{
"author":"chenjie"
}
},
{
"match":{
"title":"java"
}
}
]
}
}
}

结果：
{
"took": 9,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 3,
"max_score": 1.2533233,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1.2533233,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0JvQ4oF9V8mhiGCi",
"_score": 0.47000363,
"_source": {
"word_count": "2000",
"author": "chenjie",
"title": "MySql从删库到跑路",
"publish_date": "1994-09-27"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "AV8jW8WW4oF9V8mhiGCp",
"_score": 0.47000363,
"_source": {
"word_count": "4000",
"author": "chenjie",
"title": "chenjie传",
"publish_date": "1994-09-27"
}
}
]
}
}

9、使用must完成与逻辑

{
"query":{
"bool":{
"must":[
{
"match":{
"author":"chenjie"
}
},
{
"match":{
"title":"java"
}
}
]
}
}
}

结果：
{
"took": 14,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 1.2533233,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1.2533233,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
}
]
}
}

9、must + filter

{
"query":{
"bool":{
"must":[
{
"match":{
"author":"chenjie"
}
},
{
"match":{
"title":"java"
}
}
],
"filter":{
"term":{
"word_count":1000
}
}
}
}
}

结果：
{
"took": 6,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 1.2533233,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0A5k4oF9V8mhiGCh",
"_score": 1.2533233,
"_source": {
"word_count": "1000",
"author": "chenjie",
"title": "Java从入门到放弃",
"publish_date": "1995-08-19"
}
}
]
}
}

10、must not
{
"query":{
"bool":{
"must_not":{
"term":{
"author":"chenjie"
}
}
}
}
}

结果：
{
"took": 9,
"timed_out": false,
"_shards": {
"total": 3,
"successful": 3,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 2,
"max_score": 1,
"hits": [
{
"_index": "book",
"_type": "novel",
"_id": "AV8i0UpQ4oF9V8mhiGCj",
"_score": 1,
"_source": {
"word_count": "8000",
"author": "路遥",
"title": "平凡的世界",
"publish_date": "2000-01-01"
}
},
{
"_index": "book",
"_type": "novel",
"_id": "1",
"_score": 1,
"_source": {
"doc": {
"title": "活着"
},
"title": "活着",
"word_count": 9000,
"author": "余华",
"publish_date": "2017-10-16"
}
}
]
}
}