ES:

查看索引

curl -XGET 127.0.0.1:9200/_cat/indices

添加

curl -X PUT 'localhost:9200/twitter/tweet/3' -H 'Content-Type: application/json' -d '{
"user" : "kimchy",
"post_date" : "2009-11-15T14:12:12",
"message" : "trying out Elasticsearch"
}'

curl -X PUT 'localhost:9200/twitter/tweet/2' -H 'Content-Type: application/json' -d '{
"user" : "zhangm",
"post_date" : "2009-11-15T14:12:12",
"message" : "trying out Elasticsearch"
}'

curl -X PUT 'localhost:9200/twitter/tweet/1' -H 'Content-Type: application/json' -d '{
"user" : "zhangm",
"post_date" : "2009-11-15T14:12:12",
"message" : ""
}'

curl -X PUT 'localhost:9200/twitter/_mapping/tweet' -H 'Content-Type: application/json' -d '{
  "properties": {
    "user": { 
      "type":     "text",
      "fielddata": true
    }
  }
}'

curl -XPOST 'localhost:9200/twitter/tweet/_mapping' -H 'Content-Type: application/json' -d '{
  "tweet": {
    "properties": {
      "user": {
        "type": "keyword"
      }
    }
  }
}'


curl -X GET 'localhost:9200/twitter/tweet/_search' -H 'Content-Type: application/json' -d '{
    "size" : 0,
    "aggs" : {
        "distinct_users" : {
            "cardinality" : {
              "field" : "user"
            }
        }
    }
}'


curl -X GET 'localhost:9200/twitter/tweet/_search' -H 'Content-Type: application/json' -d '{
  "collapse": {
    "field": "user"
  }
}'


curl -XDELETE http://localhost:9200/twitter 

创建索引

curl -XPUT http://localhost:9200/twitter -H 'Content-Type: application/json' -d'{
    "settings" : {
        "number_of_shards" : 1
    }
}'

创建类型

curl -XPUT 'http://localhost:9200/twitter/_mapping/tweet' -H 'Content-Type: application/json' -d '{
  "properties": {
    "user": {
      "type": "keyword"
    }
  }
}'

查询

curl -XGET 'localhost:9200/twitter/_mapping?pretty'

curl -XGET 'localhost:9200/twitter/tweet/_mapping?pretty'
{
    "size":"0",
    "aggs" : {
     "uniq_gender" : {
     "terms" : { "field" : "Gender" }
     }
    }
}