DELETE blogs
PUT /blogs/_doc/1
{
"title": "About popularity",
"content": "In this post we will talk about...",
"votes": 0
}
PUT /blogs/_doc/2
{
"title": "About popularity",
"content": "In this post we will talk about...",
"votes": 100
}
PUT /blogs/_doc/3
{
"title": "About popularity",
"content": "In this post we will talk about...",
"votes": 1000000
}
#算分优化
POST /blogs/_search
{
"query": {
"function_score": {
"query": {
"multi_match": {
"query": "popularity",
"fields": [
"title",
"content"
]
}
},
"field_value_factor": {
"field": "votes",
"modifier": "log2p",
"factor": 0.2
},
"boost_mode": "multiply",
"max_boost": 100
}
}
}
#一致性随机函数,返回的排名始终一致，可以对一类用户使用
POST /blogs/_search
{
"query": {
"function_score": {
"random_score":{
"seed": 3141
}
}
}
}
# term suggestion & phrase suggestion
DELETE articles
PUT articles
{
"mappings": {
"properties": {
"title_completion":{
"type": "completion"
}
}
}
}
POST articles/_bulk
{ "index" : { } }
{ "title_completion": "lucene is very cool"}
{ "index" : { } }
{ "title_completion": "Elasticsearch builds on top of lucene"}
{ "index" : { } }
{ "title_completion": "Elasticsearch rocks"}
{ "index" : { } }
{ "title_completion": "elastic is the company behind ELK stack"}
{ "index" : { } }
{ "title_completion": "Elk stack rocks"}
{ "index" : {} }
POST articles/_search?pretty
{
"size": 0,
"suggest": {
"article-suggester": {
"prefix": "elk ",
"completion": {
"field": "title_completion"
}
}
}
}
DELETE articles
POST articles/_bulk
{ "index" : { } }
{ "body": "lucene is very cool"}
{ "index" : { } }
{ "body": "Elasticsearch builds on top of lucene"}
{ "index" : { } }
{ "body": "Elasticsearch rocks"}
{ "index" : { } }
{ "body": "elastic is the company behind ELK stack"}
{ "index" : { } }
{ "body": "Elk stack rocks"}
{ "index" : {} }
{ "body": "elasticsearch is rock solid"}
POST /articles/_search
{
"size": 1,
"query": {
"match": {
"body": "lucen rock"
}
},
"suggest": {
"term-suggestion": {
"text": "lucen rock",
"term": {
"suggest_mode": "always",
"field": "body"
}
}
}
}
POST /articles/_search
{
"suggest": {
"my_suggestion": {
"text": "lucen rock",
"phrase":{
"field": "body",
"max_errors":2,
"confidence":1,
"direct_generator":[{
"field":"body",
"suggest_mode":"always"
}],
"highlight": {
"pre_tag": "<em>",
"post_tag": "</em>"
}
}
}
}
}
网友评论