1、核心的数据类型
string byte,short,integer,long float,double boolean date
2、dynamic mapping数据类型推测的规则
true or false --> boolean 123 --> long 123.45 --> double 2017-01-01 --> date “hello world” --> string/text
3、查看mappingGET /index/_mapping/type
GET website/_mapping/article
响应结果
{
"website": {
"mappings": {
"article": {
"properties": {
"author_id": {
"type": "long"
},
"content": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
},
"post_date": {
"type": "date"
},
"title": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 256
}
}
}
}
}
}
}
}