Elasticsearch Common Query

Tagged with: should last elastics RAS conditional query wildcard operator generated Quic

Query   DSLmatch queries  {"Match": {         "Tweet": "About Search"}} Note: Match queries can only search for an exact value of an exact field, and when searching for exact matches, you'd better use a filter statement because the filter statement can cache the data. match_phrase Query {    "Query": {        "Match_phrase": {            "title": "Quick brown fox"}}} Note: The query condition reference is not split compared to match: https://Blog.csdn.net/liuxiao723846/article/details/78365078?locationnum=2&fps=1 multi_match Query : For multiple field queries {"Multi_match": {         "Query": "Full Text Search",         "Fields": ["title", "Body"]}}bool query must: The query specifies that the document must be included. Filter: Similar to must but not scoring. Must_not: Query specified document must not be included. Should: queries the specified document and returns if one condition is met. POST _search{"Query": {    "BOOL" : {      "Must" : {        "term": {"user": "Kimchy" }      },      "Filter": {        "term": {"tag": "Tech" }      },      "Must_not" : {        "Range" : {          "Age": {"GTE": Ten, "LTE": 20 }        }      },      "Should" : [        { "term": {"tag": "Wow" } },        { "term": {"tag": "Elasticsearch" } }      ],      "Minimum_should_match": 1,      "Boost": 1.0}}}prefix query : What character begins with {"Query": {     "prefix": {       "hostname": "WX"}}}wildcards query : Wildcard query {"Query": {        "Wildcard": {            "Postcode": "W?" F*HW "}}} Note:? used to match any character, *used to match 0 or more characters regexp query : Regular expression Query {"Query": {        "RegExp": {            "Postcode": "w[0-9].+"}}} Note:1. field, entry field"Quick Brown Fox"will generate entries"Quick", "Brown" and "Fox" 2. Prefix,wildcard and RegExp query based on the term---------------------------------------------------------------------  Filter DSL Term filter  : Exact Match {"Query": {     "Term": {       "Age": 26}}}terms filter : Specify multiple match conditions {"Query": {     "Terms": {       "Status": [304, 302]}}}range filter {"Range": {         "Age": {             "GTE": 20,             "LT": 30}}} The scope operator contains: GT:: Greater than GTE:: Greater than or equal to LT:: Less than LTE:: Less than or equal to exists /missing Filtration: Filter field is present{     "Exists":   {         "Field": "title"}}bool Filter : Boolean logic to merge multiple filter criteria query Results {"BOOL": {         "must": {"term": {"folder": "Inbox" }},         "Must_not": {"term": {"tag": "Spam"  }},         "Should": [                     { "term": {"starred":true   }},                     { "term": {"unread":true}} ]}} Note: must:: Exact match for multiple query conditions, equivalent to and. Must_not:: The opposite match for multiple query conditions, equivalent to not. Should:: At least one of the query criteria matches, equivalent to or. 

Elasticsearch Common Query