ES about the basic operation of document | 7 clock

Basic operations on documents

Basic operation

Add data

PUT /quanzhan/user/1
{
  "name": "xzM"."age": 18."desc": "西西"."tags": ["Geek"."Warm"]}Copy the code

To get the data

GET quanzhan/user/1
Copy the code

Update the data

PUT /quanzhan/user/1
{
 "name": "xzM"."age": 18."desc": "East east"."tags": ["Geek"."Warm"]}Copy the code

This is recommended for post_update

POST quanzhan/user/1/_update
{
  "doc": {
    "name": "Full Stack Self-learning Community"}}Copy the code

A complex operation

An exact (match) query

GET quanzhan/user/_search? Q =name: full stack self-learning communityCopy the code

feedback

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 19."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1."relation" : "eq"
    },
    "max_score" : 6.033172./** If there are multiple query results **/
    "hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "1"."_score" : 6.033172."_source" : {
          "name" : "Full Stack Self-learning Community"."age" : 18."desc" : "西西"."tags" : [
            "Geek"."Warm"]}}]}}Copy the code

Complex search operation SELECT(sort, paging, Highlighting, Fuzzy query, precision query)

GET quanzhan/user/_search
{
  /** Query parameter body **/
  "query": {
    "match": {
       "name": "Full"}}}Copy the code

feedback

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 1."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1."relation" : "eq"
    },
    "max_score" : 0.7389809."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "1"."_score" : 0.7389809."_source" : {
          "name" : "Full Stack Self-learning Community"."age" : 18."desc" : "西西"."tags" : [
            "Geek"."Warm"]}}]}}Copy the code

Multiple data add tests

GET quanzhan/user/_search
{
  "query": {
    "match": {
       "name": "The king"}}}Copy the code

feedback

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 0."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 0.7721133."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : 0.7721133."_source" : {
          "name" : "Six"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : 0.7721133."_source" : {
          "name" : "Fifty"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]}}]}}Copy the code

Hit: The index and document information, the total number of results, and then the specific documents that were queried

We can see who is more consistent with the results

Specifying query Results

GET quanzhan/user/_search
{
  "query": {
    "match": {
       "name": "The king"}},"_source": ["name"."desc"] /** Filter results **/
}
Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 1."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 0.7721133."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : 0.7721133."_source" : {
          "name" : "Six"."desc" : "Handsome"}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : 0.7721133."_source" : {
          "name" : "Fifty"."desc" : "Handsome"}}}Copy the code

The sorting

GET quanzhan/user/_search
{
  "query": {
    "match": {
       "name": "The king"}},"_source": ["name"."desc"]}Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 1."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : null."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : null./** the value of the query is not **/
        "_source" : {
          "name" : "Fifty"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]},"sort" : [
          20] {},"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : null."_source" : {
          "name" : "Six"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]},"sort" : [
          18[}]}Copy the code

Paging query

Page parameter from: the number of items to start from Size: the number of items to return (single-page data)

GET quanzhan/user/_search
{
  "query": {
    "match": {
       "name": "The king"}},"sort": [{"age": {
        "order": "desc"}}]."from": 0."size": 1
}
Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 5."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 7."relation" : "eq"
    },
    "max_score" : null."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "11"."_score" : null."_source" : {
          "name" : "Wang Lao Ji"."age" : 30."desc" : "Handsome"."tags" : [
            "Handsome"]},"sort" : [
          30[}]}Copy the code

The data index starts at 0, which is the same data structure we learned

/search/{current}/{pagesize}

Boolean query

Bool Multi-condition query

must

Must command (and in mysql), all conditions must be met. Where id = 1 and name = XXX

GET quanzhan/user/_search
{
  "query": {
    "bool": {
      "must": [{"match": {
            "name": "The king"}}, {"match": {
            "age": "12"}}}Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 10."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1."relation" : "eq"
    },
    "max_score" : 1.3930416."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "9"."_score" : 1.3930416."_source" : {
          "name" : "Wang Lao Liu"."age" : 12."desc" : "Handsome"."tags" : [
            "Handsome"]}}]}}Copy the code

should

should (or) :

GET quanzhan/user/_search
{
  "query": {
    "bool": {
      "should": [{"match": {
            "name": "The king"}}, {"match": {
            "age": "12"}}}Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 1."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 7."relation" : "eq"
    },
    "max_score" : 1.3930416."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "9"."_score" : 1.3930416."_source" : {
          "name" : "Wang Lao Liu"."age" : 12."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : 0.45239353."_source" : {
          "name" : "Six"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : 0.45239353."_source" : {
          "name" : "Fifty"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "Seven"."_score" : 0.3930416."_source" : {
          "name" : "Fifty and aaaa"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "10"."_score" : 0.3930416."_source" : {
          "name" : "Wang Lao Ji"."age" : 21."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "11"."_score" : 0.34745687."_source" : {
          "name" : "Wang Lao Ji"."age" : 30."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "8"."_score" : 0.311347."_source" : {
          "name" : "Ha ha ha ha."."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}]}}Copy the code

not

GET quanzhan/user/_search
{
  "query": {
    "bool": {
      "must_not": [{"match": {
            "age": "12"}}}Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 3."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 9."relation" : "eq"
    },
    "max_score" : 0.0."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "2"."_score" : 0.0."_source" : {
          "name" : "Zhang"."age" : 18."desc" : "Fanatics outside the law."."tags" : [
            "Deceiving a man who plays with a woman's affections."]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "3"."_score" : 0.0."_source" : {
          "name" : "Bill"."age" : 18."desc" : "Pretty girl"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "1"."_score" : 0.0."_source" : {
          "name" : "Full Stack Self-learning Community"."age" : 18."desc" : "西西"."tags" : [
            "Geek"."Warm"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : 0.0."_source" : {
          "name" : "Six"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : 0.0."_source" : {
          "name" : "Fifty"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "Seven"."_score" : 0.0."_source" : {
          "name" : "Fifty and aaaa"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "8"."_score" : 0.0."_source" : {
          "name" : "Ha ha ha ha."."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "10"."_score" : 0.0."_source" : {
          "name" : "Wang Lao Ji"."age" : 21."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "11"."_score" : 0.0."_source" : {
          "name" : "Wang Lao Ji"."age" : 30."desc" : "Handsome"."tags" : [
            "Handsome"]}}]}}Copy the code

The filter

Filter You can use it to filter data

• Ge is greater than the
• Gte is greater than or equal to
• Lt is less than
• Lte is less than or equal to

GET quanzhan/user/_search
{
  "query": {
    "bool": {
      "must": [{"match": {
            "name": "The king"}}]."filter": {
        "range": {
          "age": {
            "gte": 10."lte": 20
          }
        }
      }
    }
  }
}
Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 63."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 5."relation" : "eq"
    },
    "max_score" : 0.45239353."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "5"."_score" : 0.45239353."_source" : {
          "name" : "Six"."age" : 18."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "6"."_score" : 0.45239353."_source" : {
          "name" : "Fifty"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "Seven"."_score" : 0.3930416."_source" : {
          "name" : "Fifty and aaaa"."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "9"."_score" : 0.3930416."_source" : {
          "name" : "Wang Lao Liu"."age" : 12."desc" : "Handsome"."tags" : [
            "Handsome"]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "8"."_score" : 0.311347."_source" : {
          "name" : "Ha ha ha ha."."age" : 20."desc" : "Handsome"."tags" : [
            "Handsome"]}}]}}Copy the code

Matching multiple conditions

GET quanzhan/user/_search
{
  "query": {
    "match": {
      "tags": "Art of male" /** Multiple criteria are separated by Spaces, so only one of them can be found **/}}}Copy the code

Feedback the result

#! Deprecation: [types removal] Specifying types in search requests is deprecated.
{
  "took" : 1."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 2.1047382."hits": [{"_index" : "quanzhan"."_type" : "user"."_id" : "2"."_score" : 2.1047382."_source" : {
          "name" : "Zhang"."age" : 18."desc" : "Fanatics outside the law."."tags" : [
            "Deceiving a man who plays with a woman's affections."]}}, {"_index" : "quanzhan"."_type" : "user"."_id" : "1"."_score" : 1.3460207."_source" : {
          "name" : "Full Stack Self-learning Community"."age" : 18."desc" : "西西"."tags" : [
            "Geek"."Warm"]}}]}}Copy the code

Precise query

A term query is a direct lookup of the term specified by the inverted index

About participles

• termDirect query accurate
• matchWill use a word segmentation parser (analyze the document first and then query through the analysis of the document)

Two types are text keyword

Create indexes

PUT testdb
{
  "mappings": {
    "properties": {
          "name": {"type":"text"
    },
    "desc": {
      "type": "keyword"}}}}Copy the code

Feedback the result

{
  "acknowledged" : true."shards_acknowledged" : true."index" : "testdb"
}
Copy the code

Insert data

PUT testdb/_doc/1
{
  "name": "Full Stack Self-learning Community"."desc": "Wechat Official Account"
}


PUT testdb/_doc/2
{
  "name": "Full Stack Self-learning Community"."desc": "Wechat Official Account 2"
}
Copy the code

Feedback the result

{
  "_index" : "testdb"."_type" : "_doc"."_id" : "1"."_version" : 1."result" : "created"."_shards" : {
    "total" : 2."successful" : 1."failed" : 0
  },
  "_seq_no" : 0."_primary_term" : 1
}
Copy the code

The query

GET _analyze
{
  "analyzer": "keyword"."text": "Full Stack Self-learning Community"
}

/** Can see the split **/
GET _analyze
{
  "analyzer": "standard"."text": "Full Stack Self-learning Community"
}
Copy the code

Feedback the result

{
  "tokens": [{"token" : "Full Stack Self-learning Community"."start_offset" : 0."end_offset" : 6."type" : "word"."position" : 0} {}]"tokens": [{"token" : "Full"."start_offset" : 0."end_offset" : 1."type" : "<IDEOGRAPHIC>"."position" : 0
    },
    {
      "token" : "Stack"."start_offset" : 1."end_offset" : 2."type" : "<IDEOGRAPHIC>"."position" : 1
    },
    {
      "token" : "Since"."start_offset" : 2."end_offset" : 3."type" : "<IDEOGRAPHIC>"."position" : 2
    },
    {
      "token" : "To learn"."start_offset" : 3."end_offset" : 4."type" : "<IDEOGRAPHIC>"."position" : 3
    },
    {
      "token" : "Social"."start_offset" : 4."end_offset" : 5."type" : "<IDEOGRAPHIC>"."position" : 4
    },
    {
      "token" : "Area"."start_offset" : 5."end_offset" : 6."type" : "<IDEOGRAPHIC>"."position" : 5}}]Copy the code

The query

GET testdb/_search
{
  "query": {
    "term": {
      "name":"Full"}}}Copy the code

Feedback the result

{
  "took" : 2."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 0.18232156."hits": [{"_index" : "testdb"."_type" : "_doc"."_id" : "1"."_score" : 0.18232156."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account"}}, {"_index" : "testdb"."_type" : "_doc"."_id" : "2"."_score" : 0.18232156."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account 2"}}}Copy the code

GET testdb/_search
{
  "query": {
    "term": {
      "desc": "Wechat Official Account"}}}Copy the code

Feedback the result

{
  "took" : 0."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1."relation" : "eq"
    },
    "max_score" : 0.6931471."hits": [{"_index" : "testdb"."_type" : "_doc"."_id" : "1"."_score" : 0.6931471."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account"}}}Copy the code

Keyword fields are not parsed by the participle

A precise query where multiple values match

GET testdb/_search
{
  "query": {
    "bool": {
      "should": [{"term": {
            "t1": "22"}}, {"term": {
            "t1": "23"}}}Copy the code

Feedback the result

{
  "took" : 2."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 0.6931471."hits": [{"_index" : "testdb"."_type" : "_doc"."_id" : "3"."_score" : 0.6931471."_source" : {
          "t1" : "22"."t2" : "2021-1-19"}}, {"_index" : "testdb"."_type" : "_doc"."_id" : "4"."_score" : 0.6931471."_source" : {
          "t1" : "23"."t2" : "2021-1-3"}}}Copy the code

Highlighting the query

GET testdb/_search
{
  "query": {
    "match": {
      "name": "Full Stack Self-learning Community"}},"highlight": {
    "fields": {
      "name": {}}}}Copy the code

Feedback the result

{
  "took" : 199."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 1.0939294."hits": [{"_index" : "testdb"."_type" : "_doc"."_id" : "1"."_score" : 1.0939294."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account"
        },
        "highlight" : {
          "name" : [
            All "< em > < / em > < em > stack < / em > < em > from < / em > < em > to learn < / em > < / em > < em > club area < em > < / em >"]}}, {"_index" : "testdb"."_type" : "_doc"."_id" : "2"."_score" : 1.0939294."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account 2"
        },
        "highlight" : {
          "name" : [
            All "< em > < / em > < em > stack < / em > < em > from < / em > < em > to learn < / em > < / em > < em > club area < em > < / em >"]}}]}}Copy the code

Definition tags

GET testdb/_search
{
  "query": {
    "match": {
      "name": "Full Stack Self-learning Community"}},"highlight": {
    "pre_tags": "<p class='key' style='color:red>"."post_tags": "</p>"."fields": {
      "name": {}}}}Copy the code

Feedback the result

{
  "took" : 2."timed_out" : false."_shards" : {
    "total" : 1."successful" : 1."skipped" : 0."failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2."relation" : "eq"
    },
    "max_score" : 1.0939294."hits": [{"_index" : "testdb"."_type" : "_doc"."_id" : "1"."_score" : 1.0939294."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account"
        },
        "highlight" : {
          "name" : [
            "< p class = 'key' style =" color: red > < / p > < p class = "key" style = "color: red stack > < / p > < p class =" key "style =" color: red > from < / p > < p Class = 'key' style = "color: red > to learn < / p > < p class =" key "style =" color: red < / p > < p > club class = 'key' style = "color: red area > < / p >"]}}, {"_index" : "testdb"."_type" : "_doc"."_id" : "2"."_score" : 1.0939294."_source" : {
          "name" : "Full Stack Self-learning Community"."desc" : "Wechat Official Account 2"
        },
        "highlight" : {
          "name" : [
            "< p class = 'key' style =" color: red > < / p > < p class = "key" style = "color: red stack > < / p > < p class =" key "style =" color: red > from < / p > < p Class = 'key' style = "color: red > to learn < / p > < p class =" key "style =" color: red < / p > < p > club class = 'key' style = "color: red area > < / p >"]}}]}}Copy the code

conclusion

MySql can also do this, but it’s not very efficient

• matching
• Match by condition
• An exact match
• Interval range matching
• Filtering of Matched fields
• Multi-condition Query
• Highlighting the query

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