007 search API

1. Description

　　Query the API message body elasticsearch search for content, the user can search by sending a query string parameter in the get request, the request may be in the post.

2. Multi-Index

　　Allow search index or all of certain documents in the index.

　　For example: Search name contains tom1 documents in a multi-index.

　　① in a multi-index search

1 GET /index1,index2,index3/_search?q=name:tom1

　　effect:

 1 {
 2   "took" : 1,
 3   "timed_out" : false,
 4   "_shards" : {
 5     "total" : 3,
 6     "successful" : 3,
 7     "skipped" : 0,
 8     "failed" : 0
 9   },
10   "hits" : {
11     "total" : {
12       "value" : 2,
13       "relation" : "eq"
14     },
15     "max_score" : 0.2876821,
16     "hits" : [
17       {
18         "_index" : "index1",
19         "_type" : "_doc",
20         "_id" : "1",
21         "_score" : 0.2876821,
22         "_source" : {
23           "name" : "tom1",
24           "sex" : "M",
25           "address" : "SH"
26         }
27       },
28       {
29         "_index" : "index2",
30         "_type" : "_doc",
31         "_id" : "1",
32         "_score" : 0.2876821,
33         "_source" : {
34           "name" : "tom1",
35           "age" : 20
36         }
37       }
38     ]
39   }
40 }

　　② full index searches

　　　　You can not add _all

1 GET /_search?q=name:tom1

　　effect:

 1 {
 2   "took" : 4,
 3   "timed_out" : false,
 4   "_shards" : {
 5     "total" : 9,
 6     "successful" : 9,
 7     "skipped" : 0,
 8     "failed" : 0
 9   },
10   "hits" : {
11     "total" : {
12       "value" : 3,
13       "relation" : "eq"
14     },
15     "max_score" : 0.2876821,
16     "hits" : [
17       {
18         "_index" : "index1",
19         "_type" : "_doc",
20         "_id" : "1",
21         "_score" : 0.2876821,
22         "_source" : {
23           "name" : "tom1",
24           "sex" : "M",
25           "address" : "SH"
26         }
27       },
28       {
29         "_index" : "index2",
30         "_type" : "_doc",
31         "_id" : "1",
32         "_score" : 0.2876821,
33         "_source" : {
34           "name" : "tom1",
35           "age" : 20
36         }
37       },
38       {
39         "_index" : "school",
40         "_type" : "_doc",
41         "_id" : "1",
42         "_score" : 0.18232156,
43         "_source" : {
44           "name" : "tom1",
45           "sex" : "M",
46           "age" : "20"
47         }
48       }
49     ]
50   }
51 }

3.URL search

　　2 multi index examples, in fact, simply use the URI is used to perform a search request.

　　Parameters used in the above is q, the following are some of the request parameters may be used, as follows:

Q: the search for a string to specify
lenient: If this parameter is set to true, you can ignore the error based format. By default, it is false.
fields: This parameter help us get a response from the selective field.
sort: We can change the sort the results by using this parameter, the value of this parameter allows field names: ASC / field names: desc
timeout: We can limit the search time by using this parameter, and the response contains only hit within a specified time. By default, do not specify a timeout.
terminate_after: For each slice, we can respond is limited to a specified number of documents, once they reach this number, the query will terminate early. By default, it does not specify terminate_after.
from: the beginning of the return from the specified index defaults to 0.
size: indicates the number of records to return the default is 10.

4. Query request body

Guess you like