//1.基本命令
//删除索引
delete /test
/创建索引/
put /test
{
"settings":{
"number_of_shards":1,
"number_of_replicas":1
}
}
delete /employee
put /employee
{
"settings":{
"number_of_shards":1,
"number_of_replicas":1
}
}
/没有则创建 有则修改/
put /employee/_doc/1
{
"name":"汤姆",
"age":30
}
/指定字段修改/
post /employee/_doc/6/_update
{
"doc":{
"age":"3"
}
}
/创建/
post /employee/_doc/6/_create/
{
"name":"兄长",
"age":1
}
/获取索引记录/
get /employee/_doc/2
/删除文档/
delete /employee/_doc/2
/查询全部/
get /employee/_doc/_search
//使用结构化的方式创建索引
put /employee
{
"settings":{
"number_of_shards":1,
"number_of_replicas":1
},
"mappings":{
"_doc":{
"properties":{
"name":{"type":"text"},
"age":{"type":"integer"}
}
}
}
}
}
//不带条件查询所有记录
get /employee/_doc/_search
{
"query":{
"match_all":{}
}
}
//分页查询
get /employee/_doc/_search
{
"query":{
"match_all":{}
},
"from":0,
"size":30
}
//带关键字查询
get /employee/_doc/_search
{
"query":{
"match":{"name":"兄长"}
}
}
//带排序查询
get /employee/_doc/_search
{
"query":{
"match":{"name":"兄长"}
},
"sort":[
{"age":{"order":"desc"}}
]
}
//带filter 不打分_source都是0.0
get /employee/_doc/_search
{
"query":{
"bool":{
"filter":[
{"term":{"age":30}}
]}
}
}
get /employee/_doc/_search
{
"query":{
"bool":{
"filter":[
{"match":{"name":"兄"}}
]}
}
}
//带聚合
get /employee/_doc/_search
{
"query":{
"match":{"name":"兄"}
},
"sort":[
{"age":{"order":"desc"}}
],
"aggs":{
"group_by_age":{
"terms":{"field":"age"}
}
}
}
//2.高级查询
//新建一个索引
put /movie/_doc/1
{
"name": "Eating an apple a day & keeps the doctor away"
}
get /movie/_doc/_search
{
"query":{
"match":{
"name":"eat"
}
}
}
//使用analyze api查看分词状态
get /movie/_analyze
{
"field":"name",
"text": "Eating an apple a day & keeps the doctor away"
}
delete /movie
//使用结构化方式创建索引 英文分词
put /movie
{
"settings":{
"number_of_shards":1,
"number_of_replicas":1
},
"mappings":{
"_doc":{
"properties":{
"name":{"type":"text","analyzer":"english"}
}
}
}
}
//3.类型
//text : 被分析索引的字符串类型
//keyword：不能被分析只能精确匹配的字符串类型
//date：日期类型，可以配合format一起使用
//数字类型：long、integer、short、double等
//boolean：true false
//array：["one","two"]
//object:json 嵌套
//ip类型
//geo_point:地理位置
//4.tmdb
put /movie
{
"settings":{
"number_of_shards":1,
"number_of_replicas":1
},
"mappings":{
"_doc":{
"properties":{
"title":{"type":"text","analyzer":"english"},
"tagline":{"type":"text","analyzer":"english"},
"release_date":{"type":"date","format":"8yyyy/MM/dd||yyyy/MM/d||yyyy/M/dd||yyyy/M/d"},
"popularity":{"type":"double"},
"overview":{"type":"text","analyzer":"english"},
"cast":{
"type":"object",
"properties":{
"character":{"type":"text", "analyzer":"standard"},
"name":{"type":"text", "analyzer":"standard"}
}
}
}
}
}
}
get /movie/_analyze
{
"field":"title",
"text":"basketball with cartoom aliens"
}
//搜索内容 match
get /movie/_doc/_search
{
"query":{
"match":{"title":"steve zissou"}
}
}
//搜索内容 term 不进行分词分析直接去索引查询
get /movie/_doc/_search
{
"query":{
"term":{"title":"steve zissou"}
}
}
//分词后的and和or的逻辑
get /movie/_doc/_search
{
"query":{
"match":{"title":"basketball with cartoom aliens"}
}
}
//改成and
get /movie/_search
{
"query":{
"match":{
"title":{
"query":"basketball love aliens",
"operator":"and"
}
}
}
}
//最小匹配项
get /movie/_search
{
"query":{
"match":{
"title":{
"query":"basketball love aliens",
"operator":"or",
"minimum_should_match": 2
}
}
}
}
//短语查询 查询不做分析分词
get /movie/_search
{
"query":{
"match_phrase":{"title":"steve zissou"}
}
}
多字段查询
get /movie/_search
{
"query":{
"multi_match":{
"query":"basketball with cartoom aliens",
"fields":["title", "overview"]
}
}
}
评分分析
get /movie/_search
{
"explain":true,
"query":{
"multi_match":{
"query":"basketball with cartoom aliens",
"fields":["title", "overview"],
"tie_breaker": 0.3
}
}
}
优化多词查询
get /movie/_doc/_search
{
"query":{
"multi_match": {
"query":"basketball with cartoom aliens",
"fields":["title^10", "overview"],
"tie_breaker": 0.3
}
}
}
不同的multi_query其实是有不同的type
best_fields:默认的得分方式，取最高的分数作为对应文档的对应分数
most_fields:考虑绝大多数（所有的）文档的字段得分相加，获得我们想要的结果
cross_fields ：已分词为单位计算总分 适用于词导向的场景
get /movie/_doc/_search
{
"explain":true,
"query":{
"multi_match": {
"query":"steve zissou",
"fields":["title^10", "overview"],
"type": "best_fields"
}
}
}
get /movie/_doc/_search
{
"explain":true,
"query":{
"multi_match": {
"query":"steve zissou",
"fields":["title^10", "overview^0.3"],
"type": "most_fields"
}
}
}
get /movie/_doc/_search
{
"explain":true,
"query":{
"multi_match": {
"query":"basketball with cartoom aliens",
"fields":["title^10", "overview^0.3"],
"type": "cross_fields"
}
}
}
bool 查询
must not 必须都是false
must 必须都是true
should 其中有一个为true即可 为true的越多则得分越高
get /movie/_doc/_search
{
"query":{
"bool":{
"should":[
{"match": {"title":"basketball with cartoom aliens"}},
{"match": {"overview":"basketball with cartoom aliens"}}
]
}
}
}
query string
方便的利用 and or not
get /movie/_doc/_search
{
"query":{
"query_string": {
"fields": ["title"],
"query": "steve OR jobs"
}
}
}
filter 过滤查询
get /movie/_search
{
"query":{
"bool":{
"filter":{
"term":{"title":"steve"}
}
}
}
}
多条件过滤
get /movie/_search
{
"query":{
"bool":{
"filter":[
{"term":{"title":"steve"}},
{"term":{"cast.name":"gaspard"}},
{"range":{"release_date":{"lte":"2015/01/01"}}},
{"range":{"popularity":{"gte":"25"}}}
]
}
},
"sort":[
{"popularity":{"order":"desc"}}
]
}
带match打分的filter
get /movie/_search
{
"query":{
"bool":{
"should":[
{"match":{"title":"life"}},
{"multi_match": {
"query":"basketball with cartoom aliens",
"fields":["title^10", "overview^0.3"],
"type": "cross_fields"
}
}
],
"filter":[
{"range":{"release_date":{"lte":"2020/01/01"}}},
{"range":{"popularity":{"gte":"0"}}}
]
}
}
}
自定义score计算
get /movie/_search
{
"explain":true,
"query":{
"function_score": {
"query": {
"multi_match": {
"query": "steve job",
"fields": ["title", "overview"],
"type":"most_fields"
}
},
"functions": [
{
"field_value_factor": {
"field": "popularity", //对应要处理的字段
"modifier": "log2p",
"factor": 10
}
},
{
"field_value_factor": {
"field": "popularity", //对应要处理的字段
"modifier": "log2p",
"factor": 5
}
}
],
"score_mode":"sum",
"boost_mode":"sum"
}
}
}