相关阅读

• Index Templates https://www.elastic.co/guide/en/elasticsearch/reference/7.1/indices-templates.html
• Dynamic Template https://www.elastic.co/guide/en/elasticsearch/reference/7.1/dynamic-mapping.html

GET _cat/templates
GET /_template/*

PUT _template/test1_template
{
  "order": 0,
  "version": 1,
  "index_patterns": [
    "test1-*"
  ],
  "settings": {
    "index": {
      "number_of_shards": "1",
      "refresh_interval": "5s",
      "number_of_replicas": "1"
    }
  }
}

PUT _template/test2_template
{
    "order" : 0,
    "version" : 1,
    "index_patterns" : [
      "test2-*"
    ],
    "settings" : {
      "index" : {
        "number_of_shards" : "1",
        "refresh_interval" : "5s",
        "number_of_replicas" : "0"
      }
    },
    "mappings" : {
      "date_detection" : false,
      "numeric_detection": true
    }

}

GET /_template/test1_template
GET /_template/test2_template

PUT test1-001/_doc/1
{
  "name":"test1-001"
}

GET test1-001/_mapping

GET test1-001/_settings

PUT test2-001/_doc/1
{
  "name":"test2-001"
}

GET test2-001/_mapping

GET test2-001/_settings

#数字字符串被映射成text，日期字符串被映射成日期
PUT ttemplate/_doc/1
{
    "someNumber":"1",
    "someDate":"2019/01/01"
}
GET ttemplate/_mapping

#Create a default template
PUT _template/template_default
{
  "index_patterns": ["*"],
  "order" : 0,
  "version": 1,
  "settings": {
    "number_of_shards": 1,
    "number_of_replicas":1
  }
}

PUT /_template/template_test
{
    "index_patterns" : ["test*"],
    "order" : 1,
    "settings" : {
        "number_of_shards": 1,
        "number_of_replicas" : 2
    },
    "mappings" : {
        "date_detection": false,
        "numeric_detection": true
    }
}

#查看template信息
GET /_template/template_default
GET /_template/temp*

#写入新的数据，index以test开头
PUT testtemplate/_doc/1
{
    "someNumber":"1",
    "someDate":"2019/01/01"
}
GET testtemplate/_mapping
get testtemplate/_settings

PUT testmy
{
    "settings":{
        "number_of_replicas":5
    }
}

put testmy/_doc/1
{
  "key":"value"
}

get testmy/_settings
DELETE testmy
DELETE /_template/template_default
DELETE /_template/template_test

#Dynaminc Mapping 根据类型和字段名
DELETE my_index

PUT my_index/_doc/1
{
  "firstName":"Ruan",
  "isVIP":"true"
}

GET my_index/_mapping
DELETE my_index
PUT my_index
{
  "mappings": {
    "dynamic_templates": [
            {
        "strings_as_boolean": {
          "match_mapping_type":   "string",
          "match":"is*",
          "mapping": {
            "type": "boolean"
          }
        }
      },
      {
        "strings_as_keywords": {
          "match_mapping_type":   "string",
          "mapping": {
            "type": "keyword"
          }
        }
      }
    ]
  }
}

DELETE my_index
#结合路径
PUT my_index
{
  "mappings": {
    "dynamic_templates": [
      {
        "full_name": {
          "path_match":   "name.*",
          "path_unmatch": "*.middle",
          "mapping": {
            "type":       "text",
            "copy_to":    "full_name"
          }
        }
      }
    ]
  }
}

PUT my_index/_doc/1
{
  "name": {
    "first":  "John",
    "middle": "Winston",
    "last":   "Lennon"
  }
}

GET my_index/_search?q=full_name:John