must,有算分
Filter。不参与算分,结果的score是0
改变数据模型,增加字段。解决数组包含而不是精确匹配的问题
嵌套,实现了 should not 逻辑
minimum_should_match: 指定了至少应该匹配的 should 子句数量。
DELETE products
POST /products/_bulk
{ "index": { "_id": 1 }}
{ "price" : 10,"avaliable":true,"date":"2018-01-01", "productID" : "XHDK-A-1293-#fJ3" }
{ "index": { "_id": 2 }}
{ "price" : 20,"avaliable":true,"date":"2019-01-01", "productID" : "KDKE-B-9947-#kL5" }
{ "index": { "_id": 3 }}
{ "price" : 30,"avaliable":true, "productID" : "JODL-X-1937-#pV7" }
{ "index": { "_id": 4 }}
{ "price" : 30,"avaliable":false, "productID" : "QQPX-R-3956-#aD8" }
# 基本语法
POST /products/_search
{
"query": {
"bool" : {
"must" : {
"term" : { "price" : "30" }
},
"filter": {
"term" : { "avaliable" : "true" }
},
"must_not" : {
"range" : {
"price" : { "lte" : 10 }
}
},
"should" : [
{ "term" : { "productID.keyword" : "JODL-X-1937-#pV7" } },
{ "term" : { "productID.keyword" : "XHDK-A-1293-#fJ3" } }
],
"minimum_should_match" :1
}
}
}
# 改变数据模型,增加字段。解决数组包含而不是精确匹配的问题
POST /newmovies/_bulk
{ "index": { "_id": 1 }}
{ "title" : "Father of the Bridge Part II","year":1995, "genre":"Comedy","genre_count":1 }
{ "index": { "_id": 2 }}
{ "title" : "Dave","year":1993,"genre":["Comedy","Romance"],"genre_count":2 }
# must,有算分
POST /newmovies/_search
{
"query": {
"bool": {
"must": [
{"term": {"genre.keyword": {"value": "Comedy"}}},
{"term": {"genre_count": {"value": 1}}}
]
}
}
}
# Filter。不参与算分,结果的score是0
POST /newmovies/_search
{
"query": {
"bool": {
"filter": [
{"term": {"genre.keyword": {"value": "Comedy"}}},
{"term": {"genre_count": {"value": 1}}}
]
}
}
}
# Filtering Context
POST _search
{
"query": {
"bool" : {
"filter": {
"term" : { "avaliable" : "true" }
},
"must_not" : {
"range" : {
"price" : { "lte" : 10 }
}
}
}
}
}
# Query Context
POST /products/_bulk
{ "index": { "_id": 1 }}
{ "price" : 10,"avaliable":true,"date":"2018-01-01", "productID" : "XHDK-A-1293-#fJ3" }
{ "index": { "_id": 2 }}
{ "price" : 20,"avaliable":true,"date":"2019-01-01", "productID" : "KDKE-B-9947-#kL5" }
{ "index": { "_id": 3 }}
{ "price" : 30,"avaliable":true, "productID" : "JODL-X-1937-#pV7" }
{ "index": { "_id": 4 }}
{ "price" : 30,"avaliable":false, "productID" : "QQPX-R-3956-#aD8" }
# should
POST /products/_search
{
"query": {
"bool": {
"should": [
{
"term": {
"productID.keyword": {
"value": "JODL-X-1937-#pV7"}}
},
{"term": {"avaliable": {"value": true}}
}
]
}
}
}
# 嵌套,实现了 should not 逻辑
# minimum_should_match: 指定了至少应该匹配的 should 子句数量。
# 在这里,设置为 1 表示至少需要有一个 should 子句匹配成功。
POST /products/_search
{
"query": {
"bool": {
"must": {
"term": {
"price": "30"
}
},
"should": [
{
"bool": {
"must_not": {
"term": {
"avaliable": "false"
}
}
}
}
],
"minimum_should_match": 1
}
}
}
# Controll the Precision
# minimum_should_match 2 匹配出数数据,1可以匹配出一条数据
POST _search
{
"query": {
"bool" : {
"must" : {
"term" : { "price" : "30" }
},
"filter": {
"term" : { "avaliable" : "true" }
},
"must_not" : {
"range" : {
"price" : { "lte" : 10 }
}
},
"should" : [
{ "term" : { "productID.keyword" : "JODL-X-1937-#pV7" } },
{ "term" : { "productID.keyword" : "XHDK-A-1293-#fJ3" } }
],
"minimum_should_match" :2
}
}
}
POST /animals/_search
{
"query": {
"bool": {
"should": [
{ "term": { "text": "brown" }},
{ "term": { "text": "red" }},
{ "term": { "text": "quick" }},
{ "term": { "text": "dog" }}
]
}
}
}
POST /animals/_search
{
"query": {
"bool": {
"should": [
{ "term": { "text": "quick" }},
{ "term": { "text": "dog" }},
{
"bool":{
"should":[
{ "term": { "text": "brown" }},
{ "term": { "text": "brown" }}
]
}
}
]
}
}
}
DELETE blogs
POST /blogs/_bulk
{ "index": { "_id": 1 }}
{"title":"Apple iPad", "content":"Apple iPad,Apple iPad" }
{ "index": { "_id": 2 }}
{"title":"Apple iPad,Apple iPad", "content":"Apple iPad" }
POST blogs/_search
{
"query": {
"bool": {
"should": [
{
"match": {
"title": {
"query": "apple,ipad",
"boost": 1.1
}
}
},
{
"match": {
"content": {
"query": "apple,ipad",
"boost":0
}
}
}
]
}
}
}
DELETE news
POST /news/_bulk
{ "index": { "_id": 1 }}
{ "content":"Apple Mac" }
{ "index": { "_id": 2 }}
{ "content":"Apple iPad" }
{ "index": { "_id": 3 }}
{ "content":"Apple employee like Apple Pie and Apple Juice" }
POST news/_search
{
"query": {
"bool": {
"must": {
"match":{"content":"apple"}
}
}
}
}
POST news/_search
{
"query": {
"bool": {
"must": {
"match":{"content":"apple"}
},
"must_not": {
"match":{"content":"pie"}
}
}
}
}
POST news/_search
{
"query": {
"boosting": {
"positive": {
"match": {
"content": "apple"
}
},
"negative": {
"match": {
"content": "pie"
}
},
"negative_boost": 0.5
}
}
}
DELETE products
DELETE newmovies
DELETE animals
DELETE blogs
DELETE news