Elasticsearch学习（二）————搜索
Elasticsearch
1.query string search
1.1.搜索全部
// 1.
GET http://ip:9200/test/test/_search
结果：
{
"took": 86, # 耗费的时间：ms
"timed_out": false, # 是否超时
"_shards": { # 数据存储在5个主分片上
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": { # 匹配结果
"total": 3, # 查询到三个document
"max_score": 1, # 相关度的匹配分数：分数越高越相关
"hits": [
{
"_index": "test", # 索引 index
"_type": "test", # type
"_id": "2", # id:唯一
"_score": 1, # 相关度的匹配分数：分数越高越相关
"_source": { # 存储的json数据
"first_name": "小翠", # field
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 1,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": 1,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
1.2.以about字段中含有climbing字符查询并根据age字段降序排列 可以多个排序，用逗号分隔：
// 2.
GET http://ip:9200/test/test/_search?q=about:climbing&sort=age:desc,price:desc
GET http://ip:9200/test/test/_search?q=about:climbing&sort=age:desc
{
"took": 10,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 3,
"max_score": null,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": null,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [ #排序字段的值
25
]
},
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": null,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
18
]
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": null,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
18
]
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
2.query DSL
2.1.搜索全部
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match_all":{}
}
}
结果：
{
"took": 5,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 5,
"max_score": 1,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": 1,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "4",
"_score": 1,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"price": 15000,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 1,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": 1,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "3",
"_score": 1,
"_source": {
"first_name": "小雪",
"last_name": "xiaoxue",
"age": 20,
"about": "climbing",
"interests": [
"dancing",
"music"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
2.2.以about字段中含有climbing字符查询并根据age字段降序排列 可以多个排序，用逗号分隔
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match":{
"about":"climbing"
}
},
"sort":[
{
"age":"desc"
}
]
}
结果：
{
"took": 115,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 5,
"max_score": null,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": null,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
25
]
},
{
"_index": "test",
"_type": "test",
"_id": "3",
"_score": null,
"_source": {
"first_name": "小雪",
"last_name": "xiaoxue",
"age": 20,
"about": "climbing",
"interests": [
"dancing",
"music"
]
},
"sort": [
20
]
},
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": null,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
18
]
},
{
"_index": "test",
"_type": "test",
"_id": "4",
"_score": null,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"price": 15000,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
18
]
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": null,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"sort": [
18
]
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
2.3. 分页数据
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match_all":{} # 查询所有
},
"from":0, # 从第几条数据开始 0：第一条
"size":1 # 展示几条数据
}
1
2
3
4
5
6
7
8
9
10
2.4.只展示指定的filed
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match_all":{}
},
"_source":[
"first_name",
"age"
]
}
结果：
{
"took": 8,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 5,
"max_score": 1,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "3",
"_score": 1,
"_source": {
"first_name": "小雪",
"age": 20
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
3.query filter
3.1.多个查询条件：about字段必须包含"climbing"；age大于20岁
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"bool":{
"must":{
"match":{
"about":"climbing"
}
},
"filter":{
"range":{
"age":{
"gt":20
}
}
}
}
}
}
结果
{
"took": 7,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 0.26742277,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 0.26742277,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
3.2. 多个查询条件：must、 should、 must_not
POST http://ip:9200/test/test/_search
{
"query":{
"bool":{
"must":{ # 必须匹配
"match":{
"first_name":"小翠"
}
},
"should":{ # 可以匹配，也可以不匹配
"match":{
"last_name": "xue"
}
},
"must_not":{ # 必须不匹配
"match":{
"last_name": "cui"
}
}
}
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
4.full-test search
4.1.全文检索
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match":{
"about":"go climbing"
}
}
}
分析：es将about这个filed拆解成每个词（term），建立倒排索引，每个term对应相应的document_id
结果：
{
"took": 8,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 7,
"max_score": 0.7447149,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": 0.7447149,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "4",
"_score": 0.7447149,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"price": 15000,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 0.61562645,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": 0.61562645,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "5",
"_score": 0.2876821,
"_source": {
"first_name": "花花",
"last_name": "huahau",
"age": 16,
"price": 20000,
"about": "climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "7",
"_score": 0.25759193,
"_source": {
"about": "go"
}
},
{
"_index": "test",
"_type": "test",
"_id": "3",
"_score": 0.25759193,
"_source": {
"first_name": "小雪",
"last_name": "xiaoxue",
"age": 20,
"about": "climbing",
"interests": [
"dancing",
"music"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
4.2.短语搜索:匹配短语
// 1.
POST http://ip:9200/test/test/_search
语法：
{
"query":{
"match_phrase":{
"about":"rock climbing"
}
}
}
结果：
{
"took": 20,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 4,
"max_score": 0.9748371,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 0.9748371,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": 0.7447149,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "4",
"_score": 0.7447149,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"price": 15000,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": 0.6156264,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
5.highlight search
5.1.关键字高亮
// 1.
语法：
{
"query":{
"match":{
"about":"climbing" # 关键字
}
},
"highlight":{
"fields":{
"about":{} # 字段
}
}
}
结果：
{
"took": 7,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 6,
"max_score": 0.48741856,
"hits": [
{
"_index": "test",
"_type": "test",
"_id": "1",
"_score": 0.48741856,
"_source": {
"first_name": "John",
"last_name": "Smith",
"age": 25,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"highlight": {
"about": [
"I love to go rock <em>climbing</em>" # <em> 标签html中高亮显示
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "2",
"_score": 0.37235746,
"_source": {
"first_name": "小翠",
"last_name": "cuicui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"highlight": {
"about": [
"I love to go rock <em>climbing</em>"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "4",
"_score": 0.37235746,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"price": 15000,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"highlight": {
"about": [
"I love to go rock <em>climbing</em>"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "5",
"_score": 0.2876821,
"_source": {
"first_name": "花花",
"last_name": "huahau",
"age": 16,
"price": 20000,
"about": "climbing",
"interests": [
"sports",
"music"
]
},
"highlight": {
"about": [
"<em>climbing</em>"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "3",
"_score": 0.25759193,
"_source": {
"first_name": "小雪",
"last_name": "xiaoxue",
"age": 20,
"about": "climbing",
"interests": [
"dancing",
"music"
]
},
"highlight": {
"about": [
"<em>climbing</em>"
]
}
},
{
"_index": "test",
"_type": "test",
"_id": "AWrVpGsO0WDJvaOeQOjd",
"_score": 0.12820786,
"_source": {
"first_name": "小翠",
"last_name": "cui",
"age": 18,
"about": "I love to go rock climbing",
"interests": [
"sports",
"music"
]
},
"highlight": {
"about": [
"I love to go rock <em>climbing</em>"
]
}
}
]
}
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
---------------------
Elasticsearch学习（二）————搜索的更多相关文章
- Elasticsearch 学习二（请求流程）.
一.写入数据 1.ES 的任意节点都可以作为协调(Coordinating)节点接受请求(包括新建.索引或者删除请求),每个节点都知道集群中任一文档位置: 2.协调节点会通过 routing 字段计算 ...
- Elasticsearch学习之深入搜索二 --- 搜索底层原理剖析
1. 普通match如何转换为term+should { "match": { "title": "java elasticsearch"} ...
- ElasticSearch 学习记录之ES高亮搜索
高亮搜索 ES 通过在查询的时候可以在查询之后的字段数据加上html 标签字段,使文档在在web 界面上显示的时候是由颜色或者字体格式的 GET /product/_search { "si ...
- 【Elasticsearch学习】文档搜索全过程
在ES执行分布式搜索时,分布式搜索操作需要分散到所有相关分片,若一个索引有3个主分片,每个主分片有一个副本分片,那么搜索请求会在这6个分片中随机选择3个分片,这3个分片有可能是主分片也可能是副本分片, ...
- Elasticsearch学习之深入搜索一 --- 提高查询的精准度
1. 为帖子增加标题字段 POST /forum/article/_bulk { "} } { "doc" : {"title" : "th ...
- ElasticSearch7.3学习(二十六)----搜索（Search）参数总结、结果跳跃（bouncing results）问题解析
1.preference 首先引入一个bouncing results问题,两个document排序,field值相同:不同的shard上,可能排序不同:每次请求轮询打到不同的replica shar ...
- elasticsearch的rest搜索--- 查询
目录: 一.针对这次装B 的解释 二.下载,安装插件elasticsearch-1.7.0 三.索引的mapping 四. 查询 五.对于相关度的大牛的文档 四. 查询 1. 查询的官网的文档 ...
- Elasticsearch学习总结 (Centos7下Elasticsearch集群部署记录)
一. ElasticSearch简单介绍 ElasticSearch是一个基于Lucene的搜索服务器.它提供了一个分布式多用户能力的全文搜索引擎,基于RESTful web接口.Elasticse ...
- elasticsearch实现网站搜索
使用elasticsearch 实现网站搜索,可以支持商品搜索,筛选项过滤搜索 ,价格排序, 打分 筛选项聚合,还有其他综合排序 后续推出搜索人工干预排序,根据销量,好评率,售卖率 进行全方位的搜索实 ...
- ElasticSearch（二）：文档的基本CRUD与批量操作
ElasticSearch(二):文档的基本CRUD与批量操作 学习课程链接<Elasticsearch核心技术与实战> Create 文档 支持自动生成文档_id和指定文档_id两种方式 ...
随机推荐
- python-----删除列表中某个元素的3种方法
python中关于删除list中的某个元素,一般有三种方法:remove.pop.del: 1.remove: 删除单个元素,删除首个符合条件的元素,按值删除举例说明: >>> st ...
- U3D Navigation
让我们来一起粗步认识一下NavMesh的简单使用 首先我们建立一个新场景,在新场景我们创建 一个地形或者创建一个Plane, 然后在其上面用Cube或者其它的建立一些障碍物 再创建自己需要为其设置自动 ...
- laravel5.2 增加Caffienate Modules,实现模块化开发
1.模块化开发可以把框架分成 Topc前台模块,Topm手机端前台,Admin后台管理模块,每个模块中都有自己的一套Controller,Logic,router等. 2.咖啡因模块是一个简单的包,以 ...
- HTTP node静态资源请求加载demo
MIME type的缩写为(Multipurpose Internet Mail Extensions)代表互联网媒体类型(Internet media type),MIME使用一个简单的字符串组成, ...
- 3dmath复习随笔
左手坐标系与右手坐标系 旋转正方向,下图是右手系,左手系同理 向量 点乘: 叉乘: dx是左手系,使用行向量,vABC,乘矩阵用左乘 opengl是右手系,使用列向量,CBAv,乘矩阵用右乘 u3d貌 ...
- 11.6NOIP模拟赛
[数据规模和限制] 对于全部测试数据,满足 N,M,K≤,W≤ 各个测试点的数据规模及特殊性质如下表. 测试点 N M K ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ 师 更多咨询:北京信息学窦老师 QQ ...
- js和jquery给iframe src赋值的3种方法
js和jquery给iframe src赋值的3种方法 网页使用iframe嵌入网页时,有时候需要动态处理src的值,而不是写死的,所以我们需要知道如何给iframe src赋值,通常是使用js或 ...
- c++运费符优先级
L:左 R:右
- Hdu 5446 Unknown Treasure (2015 ACM/ICPC Asia Regional Changchun Online Lucas定理 + 中国剩余定理)
题目链接: Hdu 5446 Unknown Treasure 题目描述: 就是有n个苹果,要选出来m个,问有多少种选法?还有k个素数,p1,p2,p3,...pk,结果对lcm(p1,p2,p3.. ...
- 转 Oracle中merge into的使用
http://www.cnblogs.com/highriver/archive/2011/08/02/2125043.html