elasticsearch 常用命令（一）

索引 搜索 mapping 分词器

1.创建索引

http://192.168.65.131:9200/smartom_index?pretty

2.查看索引:

http://192.168.65.131:9200/_cat/indices?v

3.插入数据【这样也就是说创建了一个文档为users】

http://192.168.65.131:9200/smartom_index/users/101
{
    "name":"smartom",
    "age":19
}

---

4.精确搜索

http://192.168.65.131:9200/smartom_index/_search?q=name:smartom

5.全词搜索

http://192.168.65.131:9200/smartom_index/_search

---

全文索引

6.全词搜索 term

term是代表完全匹配，即不进行分词器分析，文档中必须包含整个搜索的词汇

GET smartom_index/users/_search
{
  "query":{ "term":{ "name":{ "value":"smartom" } } } }

7.全词搜索 match 全文搜索查询

分词查询

GET smartom_index/users/_search
{
  "query": { "match": { "name": "我是smartom你是谁" } } }

---

分词器analyze

8.创建一个分词器

POST _analyze { "analyzer":"standard", "text":"我是smartom你是谁" }

standard

simple

---

过滤器 标记器

9. 一个标记器【filter？】

POST _analyze { "tokenizer":"lowercase", "text":"SMARTOM" }

也可以 在tokenizer里面写 standard

10.一个过滤器：

POST _analyze { "tokenizer": "standard", "filter": ["lowercase"], "text": "我是smartom你是谁" }

11.字符过滤器：[过滤html代码]

POST _analyze { "tokenizer": "standard", "char_filter": ["html_strip"], "text": "woshi<br><b>asdf</b>是" }

12.创建一个过滤器：settings analysis analyzer

PUT smartom
{
  "settings": { "analysis": { "analyzer": { "smartom-analyer":{ "type":"custom", "tokenizer":"standard", "char_filter":["html_strip"], "filter":["lowercase"] } } } } }

13.创建仓库：

前提指定repo路径 elasticsearch.yml path.repo path.repo:["/home/smartom/Desktop/esbak"]

PUT _snapshot/mybackup
{
  "type": "fs", "settings": { "location": "/home/smartom/Desktop/esbak" } }

14.备份索引：

bak1 是备份名称 smartom_index 备份的索引名称

PUT _snapshot/mybackup/bak1?wait_for_completion=true { "indices": "smartom_index" }

15.删除索引

DELETE smartom

16.关闭索引

POST smartom_index/_close

17.恢复索引

POST _snapshot/mybackup/bak1/_restore?wait_for_completion=true { "indices": "smartom_index" }

18.查看当前插件

GET _cat/plugins

19.查看mapping当前文档 查看文档字段类型?

GET smartom_index/_mappings

20.创建mapping

[刚创建的时候]

POST /smartom_index/fulltext/_mapping
{
    "properties": { "content": { "type": "text", "analyzer": "ik_max_word", "search_analyzer": "ik_max_word" } } }

需要导入和导出数据

删除数据之后 title 用ik分词器进行索引

PUT smartom_index
{
    "mappings": { "news":{ "properties": { "title": { "type":"text", "analyzer": "ik_max_word" } } } } }

21.修改文档中的类型？

PUT smartom_index/_mapping/users
{
  "properties": { "news": { "type": "text", "fields": { "keyword": { "type": "keyword", "ignore_above": 256 } } } }

22.搜索建议