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Elasticsearch Query DSL - Not just for wizards...

C
clintongormley

The document outlines the Elasticsearch query DSL, detailing its capabilities as a real-time, distributed search and analytics tool. It discusses various aspects including indexing, querying, filters, and mapping, while emphasizing the importance of permissions for copying and distributing its contents. Additionally, it provides numerous code examples illustrating different query structures and filters.

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Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Clinton Gormley @clintongormley Elasticsearch Query DSL … not just for wizards
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch.org/guide
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed • search
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed • search • analytics
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis query dsl
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis query dsl
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query dsl
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query dsl flexible, powerful query language
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries filters
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance filters • boolean yes/no
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text filters • boolean yes/no • exact values
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached filters • boolean yes/no • exact values • cached
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached • slower filters • boolean yes/no • exact values • cached • faster
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached • slower filters • boolean yes/no • exact values • cached • faster Filter first, then query remaining docs
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {...}   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  "match":  {  "title":  "search"  }}   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  match_all:  {}}   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  match_all:  {}}   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {...},              "filter":  {...}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match":  {  "title":    "search"  }},              "filter":  {...}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match":  {  "title":    "search"  }},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how data is indexed
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } where content like “%brown%fox%”
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } slow & inflexible
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } “analysis”
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      [quick,brown,rabbits],      "content":  [brown,rabbits,are,commonly,seen]   }   ! {      "title":      [keeping,pets,healthy],      "content":  [my,quick,brown,fox,eats,rabbits,on,a,                              regular,basis]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content sorted list of unique terms
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content where they occur
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index not just for text
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index numbers, dates, bools, enums geopoints, geoshapes, etc
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  =  "value"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  CONTAINS  "value"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  CONTAINS  "value" term filter
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":    {              "title":  "brown"        } WHERE  field  CONTAINS  "value"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {   ! ! ! !    }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {   ! !        }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {                            ...                          },              "filter":  {                            ...                          }          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {                            ...                          }          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {                            ...                          }          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {  "term":    {  "title":  "brown"  }}          }      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  } ➔  result:      bitset[  1,  0  ]
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  } ➔  result:      bitset[  1,  0  ] ➔  cache  as:  "title:brown"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IN  ["val",…]
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IN  ["val",…] terms filter
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "terms":    {              "title":  ["quick",  "pets"]        } WHERE  field  IN  ["val",…]
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "terms":  {  "title":  ["quick","pets"]  } ➔  result:      bitset[  1,  1  ] ➔  cache  as:  "title:quick  title:pets"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  >=  "val1"      AND  field  <    "val2"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  >=  "val1"      AND  field  <    "val2" range filter
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "range":    {              "content":{                "gte":  "a",                "lt":    "m"            }      } WHERE  field  >=  "val1"      AND  field  <    "val2"
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. ➔  result:      bitset[  1,  1  ] ➔  cache  as:  "content:[a  TO  m}"    "range":    {              "content":{  "gte":  "a",  "lt":    "m"  }      }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "2014-­‐01-­‐01",                "lt":    "2041-­‐02-­‐01"            }      }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "2014-­‐01-­‐01",                "lt":    "2041-­‐02-­‐01"            }      } numeric/date fields optimised for range filters
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h"            }      }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h"            }      } not cached
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h  /  h"            }      } cached
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IS  NOT  NULL
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  has  any  term
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  has  any  term exists filter
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "exists":    {        "field":  "title"   }   WHERE  field  has  any  term
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. missing filter WHERE  field  has  no  term
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "missing":    {        "field":  "title"   }   WHERE  field  has  no  term
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT bool filter
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],  #  AND      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],  #  OR      "must_not":  [  <filters>  ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]    #  NOT   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},   ! ! ! ! ! }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},      "should":  [            {  "term":  {  "title":      "quick"  }},          {  "term":  {  "content":  "quick"  }}      ],   ! }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},      "should":  [            {  "term":  {  "title":      "quick"  }},          {  "term":  {  "content":  "quick"  }}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   } not cached
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   } cached
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. result  bitset  =               !          (title:rabbits  OR  content:rabbits)      AND            (title:quick      OR  content:quick)      AND            NOT  content:fox        
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. filters • boolean yes/no • exact values • cached • faster Filter first, then query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how relevant is this term?
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how relevant is this term? term query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. ≈ term filter + relevance how relevant is this term? term query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":    {              "title":  "brown"        } how relevant is this term?
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {        "query":  {   ! ! !      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {        "query":  {              "term":  {                      "title":  "brown"                }        }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {          "_index":  "myindex",          "_type":    "mytype",          "_id":        "1",          "_score":  0.5,          "_source":  {                "title":      "Quick  brown  rabbits",                "content":  "Brown  rabbits  are  commonly  seen"          }   }   how relevant is this doc?
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. lucene similarity How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. lucene similarity How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better lucene similarity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better lucene similarity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! How long is this doc? ➔ shorter is better lucene similarity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! How long is this doc? ➔ shorter is better lucene similarity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! Length norm lucene similarity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT bool query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. like bool filter, but different... AND  …  OR  …  NOT bool query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],      "must_not":  [  <queries>  ]    #  NOT   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],  #  Hmmm      "must_not":  [  <queries>  ]    #  NOT   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],  #  Hmmm      "must_not":  [  <queries>  ],  #  NOT      "minimum_should_match":  ?    #  Hmmm   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries at least one must match "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries minimum_should_match = 1 "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries all are optional!
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries minimum_should_match = 0
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bool  filter  ➔  T/F   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bool  filter  ➔  T/F   ! bool  query    ➔  _score
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)        *  num  of  matching  queries  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)        *  num  of  matching  queries        /  num  of  queries  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. more matching should queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. more matching should queries == better relevance score
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ],      "minimum_should_match":  "75%"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ],      "minimum_should_match":  "75%"  #  2  of  3   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query high level query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query high level query understands mapping & analysis
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query ➔ analyze query string ➔ rewrite query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. one word query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }} title:quick
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }} title:quick {  "term":    {  "title":  "quick"  }}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi word query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }} title:quick  OR  title:fox
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }} title:quick  OR  title:fox {  "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]   }}  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all words must match
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  "QUICK  FOX!"      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":        "QUICK  FOX!",   !        }      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":        "QUICK  FOX!",              "operator":  "and"          }      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "must":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim long tail
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":  "QUICK  BROWN  FOX!",              "minimum_should_match":  "75%"          }      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "brown"  }},              {  "term":  {  "title":  "fox"      }}          ],          "minimum_should_match":  2      }   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. fuzzy queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. fuzzy queries levenshtein edit distance
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown insertion
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox deletion
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox kiuck      ➔      qiuck substitution
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox kiuck      ➔      qiuck    ➔    quick transposition
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":  "KIUCK  BRON  FOXS!",              "fuzziness":  "AUTO"          }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. phrase / proximity
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match_phrase":    {            "title":"QUICK  BROWN  FOX!"      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match_phrase":    {            "title":  {              "query":  "BROWN  QUICK  FOX!",              "slop":    "10"          }      }   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. combine queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !        "match":  {              "title":  {                  "query":  "<words>",                  "minimum_should_match":  "75%"              }          }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !      "match":  {            "title":  {                "query":  "<words>",                "fuzziness":  "AUTO"              }          }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !    "match_phrase":  {            "title":  {                "query":  "<words>",                "slop":  "10"            }        }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi-field queries
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. easy!
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {"first":    "Reginald"  }},          {  "match":  {"middle":  "Kenneth"    }},          {  "match":  {"last":      "Dwight"      }}          ],          "minimum_should_match":  "75%"   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. hard!
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   } better match
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   } But 2 matches wins
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. dis_max query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query _score  =  best  matching  query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ],      "tie_breaker":  0.2   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query _score  =  best  matching  query     +  tie_breaker  *  others
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi_match query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query on multiple fields multi_match query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ],      "tie_breaker":  0.2   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [  "title",  "content"  ]      "tie_breaker":  0.2   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [  "title",  "content"  ]      "tie_breaker":  0.2,   #  "type":              "best_fields"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. find whole "concept" in one field best_fields
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "quick brown fox" in title or content best_fields
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields dis_max "quick brown fox" in title or content
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string"   }  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {   ! ! ! ! ! ! ! }}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {          "stemmed":  {              "type":          "string",              "analyzer":  "english"          }   ! ! ! }}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {          "stemmed":  {              "type":          "string",              "analyzer":  "english"          },          "autocomplete":  {              "type":          "string",              "analyzer":  "edge_ngrams"   }}}
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   ! title.stemmed:      [  brown,  fox,  jump  ]   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   ! title.stemmed:      [  brown,  fox,  jump  ]   ! title.autocomplete      [  b,  br,  bro,  brow,  brown,            f,  fo,  fox,          j,  ju,  jum,  jump,  jumpe,  jumped      ]  
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [                                    "title",                                    "title.stemmed",                                  "title.autocomplete"                              ]      "type":              "most_fields"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields match same text analyzed in different ways
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields more matching fields = better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields bool more matching fields = better
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "first":    "Reginald",      "middle":  "Kenneth"      "last":      "Dwight"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]   ! }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "????"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "most_fields"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "most_fields"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem field centric
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    first:  Kenneth        OR    first:  Dwight   )  OR  (              middle:Reginald        OR    middle:Kenneth        OR    middle:Dwight   )  OR  (              last:    Reginald        OR    last:    Kenneth        OR    last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    first:  Kenneth        OR    first:  Dwight   )  OR  (              middle:Reginald        OR    middle:Kenneth        OR    middle:Dwight   )  OR  (              last:    Reginald        OR    last:    Kenneth        OR    last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem operator: and
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies first:dwight    ➔  common
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies first:dwight    ➔  common last:  dwight    ➔  uncommon
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. solution
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. index time solution
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. index time solution single "fullname" field
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string"   },   "middle":  {            "type":  "string"   },   "last":  {            "type":  "string"   }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string"   },   "middle":  {            "type":  "string"   },   "last":  {            "type":  "string"   },   "full":  {          "type":  "string"     }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string",  "copy_to":  "full"     },   "middle":  {            "type":  "string",  "copy_to":  "full"     },   "last":  {            "type":  "string",  "copy_to":  "full"     },   "full":  {          "type":  "string"     }   !
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "match":  {      "full":  "Reginald  Kenneth  Dwight",      "minimum_should_match":  "75%"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query time solution
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query time solution term-centric query
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    middle:Reginald        OR    last:    Reginald     )  AND  (              first:  Kenneth        OR    middle:Kenneth        OR    last:    Kenneth     )  AND  (              first:  Dwight      OR    middle:Dwight      OR    last:    Dwight   )
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.        blend(first,middle,last):Reginald   AND  blend(first,middle,last):Kenneth   AND  blend(first,middle,last):Dwight
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.        blend(first,middle,last):Reginald   AND  blend(first,middle,last):Kenneth   AND  blend(first,middle,last):Dwight blends term frequencies
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. cross_fields
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. cross_fields query multiple fields as if they were one
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "cross_fields"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "cross_fields",      "minimum_should_match":  "75%"   }
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields: whole concept in single field most_fields: same text, different analyzers cross_fields: treat multiple fields as one
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. understand the building blocks
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. the rest is details
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. thank you @clintongormley
Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. thank you @clintongormley elasticsearch.org/downloads elasticsearch.com/support elasticsearch.com/jobs    

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Elasticsearch Query DSL - Not just for wizards...

  • 1. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Clinton Gormley @clintongormley Elasticsearch Query DSL … not just for wizards
  • 2. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
  • 3. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch.org/guide
  • 4. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch
  • 5. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time
  • 6. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed
  • 7. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed • search
  • 8. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. elasticsearch • real-time • distributed • search • analytics
  • 9. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping
  • 10. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis
  • 11. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis query dsl
  • 12. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. mapping analysis query dsl
  • 13. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query dsl
  • 14. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query dsl flexible, powerful query language
  • 15. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries
  • 16. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries filters
  • 17. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance filters • boolean yes/no
  • 18. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text filters • boolean yes/no • exact values
  • 19. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached filters • boolean yes/no • exact values • cached
  • 20. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached • slower filters • boolean yes/no • exact values • cached • faster
  • 21. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. queries • relevance • full text • not cached • slower filters • boolean yes/no • exact values • cached • faster Filter first, then query remaining docs
  • 22. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search
  • 23. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {...}   }  
  • 24. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  "match":  {  "title":  "search"  }}   }  
  • 25. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  match_all:  {}}   }  
  • 26. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {  match_all:  {}}   }  
  • 27. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {...},              "filter":  {...}          }      }   }  
  • 28. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match":  {  "title":    "search"  }},              "filter":  {...}          }      }   }  
  • 29. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match":  {  "title":    "search"  }},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
  • 30. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
  • 31. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}},              "filter":  {  "term":    {  "status":  "active"  }}          }      }   }  
  • 32. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how data is indexed
  • 33. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   !
  • 34. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   }
  • 35. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } where content like “%brown%fox%”
  • 36. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } slow & inflexible
  • 37. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   } “analysis”
  • 38. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   }   ! {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                              regular  basis"   }
  • 39. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      [quick,brown,rabbits],      "content":  [brown,rabbits,are,commonly,seen]   }   ! {      "title":      [keeping,pets,healthy],      "content":  [my,quick,brown,fox,eats,rabbits,on,a,                              regular,basis]   }
  • 40. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content sorted list of unique terms
  • 41. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content where they occur
  • 42. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
  • 43. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
  • 44. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index
  • 45. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index not just for text
  • 46. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. inverted index numbers, dates, bools, enums geopoints, geoshapes, etc
  • 47. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  =  "value"
  • 48. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  CONTAINS  "value"
  • 49. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  CONTAINS  "value" term filter
  • 50. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":    {              "title":  "brown"        } WHERE  field  CONTAINS  "value"
  • 51. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {   ! ! ! !    }   }  
  • 52. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {   ! !        }      }   }  
  • 53. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {                            ...                          },              "filter":  {                            ...                          }          }      }   }  
  • 54. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {                            ...                          }          }      }   }  
  • 55. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {                            ...                          }          }      }   }  
  • 56. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {      "query":  {          "filtered":  {              "query":    {  "match_all":  {}                            },              "filter":  {  "term":    {  "title":  "brown"  }}          }      }   }  
  • 57. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
  • 58. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
  • 59. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  }
  • 60. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  } ➔  result:      bitset[  1,  0  ]
  • 61. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":  {  "title":  "brown"  } ➔  result:      bitset[  1,  0  ] ➔  cache  as:  "title:brown"
  • 62. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IN  ["val",…]
  • 63. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IN  ["val",…] terms filter
  • 64. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "terms":    {              "title":  ["quick",  "pets"]        } WHERE  field  IN  ["val",…]
  • 65. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 brown healthy keeping pets quick rabbits field: title
  • 66. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "terms":  {  "title":  ["quick","pets"]  } ➔  result:      bitset[  1,  1  ] ➔  cache  as:  "title:quick  title:pets"
  • 67. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  >=  "val1"      AND  field  <    "val2"
  • 68. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  >=  "val1"      AND  field  <    "val2" range filter
  • 69. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "range":    {              "content":{                "gte":  "a",                "lt":    "m"            }      } WHERE  field  >=  "val1"      AND  field  <    "val2"
  • 70. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term Doc  1 Doc  2 a are basis brown commonly eats fox my on quick rabbits regular seen field: content
  • 71. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. ➔  result:      bitset[  1,  1  ] ➔  cache  as:  "content:[a  TO  m}"    "range":    {              "content":{  "gte":  "a",  "lt":    "m"  }      }
  • 72. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "2014-­‐01-­‐01",                "lt":    "2041-­‐02-­‐01"            }      }
  • 73. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "2014-­‐01-­‐01",                "lt":    "2041-­‐02-­‐01"            }      } numeric/date fields optimised for range filters
  • 74. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h"            }      }
  • 75. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h"            }      } not cached
  • 76. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.  "range":    {              "date":{                  "gte":  "now  -­‐  1h  /  h"            }      } cached
  • 77. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  IS  NOT  NULL
  • 78. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  has  any  term
  • 79. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. WHERE  field  has  any  term exists filter
  • 80. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "exists":    {        "field":  "title"   }   WHERE  field  has  any  term
  • 81. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. missing filter WHERE  field  has  no  term
  • 82. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "missing":    {        "field":  "title"   }   WHERE  field  has  no  term
  • 83. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT
  • 84. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT bool filter
  • 85. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]   }  
  • 86. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],  #  AND      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]   }  
  • 87. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],  #  OR      "must_not":  [  <filters>  ]   }  
  • 88. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <filters>  ],      "should":      [  <filters>  ],      "must_not":  [  <filters>  ]    #  NOT   }  
  • 89. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},   ! ! ! ! ! }  
  • 90. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},      "should":  [            {  "term":  {  "title":      "quick"  }},          {  "term":  {  "content":  "quick"  }}      ],   ! }  
  • 91. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  {  "term":  {  "title":  "rabbits"  }},      "should":  [            {  "term":  {  "title":      "quick"  }},          {  "term":  {  "content":  "quick"  }}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   }  
  • 92. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   }
  • 93. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   } not cached
  • 94. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":  [          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "rabbits"  }},                  {  "term":  {  "content":  "rabbits"  }}          ]}},          {  "bool":    {                "should":  [                    {  "term":  {  "title":      "quick"  }},                  {  "term":  {  "content":  "quick"  }}          ]}}      ],      "must_not":  {  "term":  {  "content":  "fox"  }}   } cached
  • 95. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. result  bitset  =               !          (title:rabbits  OR  content:rabbits)      AND            (title:quick      OR  content:quick)      AND            NOT  content:fox        
  • 96. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. filters • boolean yes/no • exact values • cached • faster Filter first, then query
  • 97. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how relevant is this term?
  • 98. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. how relevant is this term? term query
  • 99. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. ≈ term filter + relevance how relevant is this term? term query
  • 100. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.    "term":    {              "title":  "brown"        } how relevant is this term?
  • 101. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {        "query":  {   ! ! !      }   }  
  • 102. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. GET  /_search {        "query":  {              "term":  {                      "title":  "brown"                }        }   }  
  • 103. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {          "_index":  "myindex",          "_type":    "mytype",          "_id":        "1",          "_score":  0.5,          "_source":  {                "title":      "Quick  brown  rabbits",                "content":  "Brown  rabbits  are  commonly  seen"          }   }   how relevant is this doc?
  • 104. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score
  • 105. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better
  • 106. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better
  • 107. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. relevance score How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
  • 108. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. lucene similarity How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
  • 109. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. lucene similarity How common is the term in this doc? ➔ more is better How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better
  • 110. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better lucene similarity
  • 111. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! How common is the term in ALL docs? ➔ less is better How long is this doc? ➔ shorter is better lucene similarity
  • 112. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! How long is this doc? ➔ shorter is better lucene similarity
  • 113. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! How long is this doc? ➔ shorter is better lucene similarity
  • 114. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. Term frequency ! Inverse document frequency ! Length norm lucene similarity
  • 115. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT
  • 116. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. AND  …  OR  …  NOT bool query
  • 117. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. like bool filter, but different... AND  …  OR  …  NOT bool query
  • 118. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],      "must_not":  [  <queries>  ]    #  NOT   }  
  • 119. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],  #  Hmmm      "must_not":  [  <queries>  ]    #  NOT   }  
  • 120. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {        "must":          [  <queries>  ],  #  AND      "should":      [  <queries>  ],  #  Hmmm      "must_not":  [  <queries>  ],  #  NOT      "minimum_should_match":  ?    #  Hmmm   }  
  • 121. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
  • 122. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries at least one must match "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
  • 123. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. no "must" queries minimum_should_match = 1 "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
  • 124. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries
  • 125. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries all are optional!
  • 126. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":    {      "must":  {  "term":  {  "title":  "quick"}},        "should":      [          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }   with "must" queries minimum_should_match = 0
  • 127. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bool  filter  ➔  T/F   !
  • 128. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bool  filter  ➔  T/F   ! bool  query    ➔  _score
  • 129. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =  
  • 130. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)  
  • 131. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)        *  num  of  matching  queries  
  • 132. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. _score  of  bool  query  =        sum(  _score  of  each  query)        *  num  of  matching  queries        /  num  of  queries  
  • 133. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. more matching should queries
  • 134. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. more matching should queries == better relevance score
  • 135. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ]   }
  • 136. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ],      "minimum_should_match":  "75%"   }
  • 137. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim the long tail "bool":    {    "should":      [          {  "term":  {  "title":  "quick"  }},          {  "term":  {  "title":  "brown"  }},          {  "term":  {  "title":  "rabbits"  }}      ],      "minimum_should_match":  "75%"  #  2  of  3   }
  • 138. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query
  • 139. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query high level query
  • 140. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query high level query understands mapping & analysis
  • 141. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query ➔ analyze query string ➔ rewrite query
  • 142. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. one word query
  • 143. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }}
  • 144. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }} title:quick
  • 145. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK!"  }} title:quick {  "term":    {  "title":  "quick"  }}
  • 146. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi word query
  • 147. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }}
  • 148. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }} title:quick  OR  title:fox
  • 149. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {  "match":    {  "title":  "QUICK  FOX!"  }} title:quick  OR  title:fox {  "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]   }}  
  • 150. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all words must match
  • 151. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  "QUICK  FOX!"      }   }
  • 152. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":        "QUICK  FOX!",   !        }      }   }
  • 153. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":        "QUICK  FOX!",              "operator":  "and"          }      }   }
  • 154. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]      }   }  
  • 155. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "must":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "fox"      }}          ]      }   }  
  • 156. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. trim long tail
  • 157. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":  "QUICK  BROWN  FOX!",              "minimum_should_match":  "75%"          }      }   }
  • 158. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "bool":  {          "should":  [              {  "term":  {  "title":  "quick"  }},              {  "term":  {  "title":  "brown"  }},              {  "term":  {  "title":  "fox"      }}          ],          "minimum_should_match":  2      }   }  
  • 159. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. fuzzy queries
  • 160. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. fuzzy queries levenshtein edit distance
  • 161. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown insertion
  • 162. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox deletion
  • 163. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox kiuck      ➔      qiuck substitution
  • 164. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. bron      ➔        brown foxs      ➔        fox kiuck      ➔      qiuck    ➔    quick transposition
  • 165. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match":    {            "title":  {              "query":  "KIUCK  BRON  FOXS!",              "fuzziness":  "AUTO"          }   }
  • 166. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. phrase / proximity
  • 167. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match_phrase":    {            "title":"QUICK  BROWN  FOX!"      }   }
  • 168. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {        "match_phrase":    {            "title":  {              "query":  "BROWN  QUICK  FOX!",              "slop":    "10"          }      }   }
  • 169. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. combine queries
  • 170. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
  • 171. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
  • 172. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !        "match":  {              "title":  {                  "query":  "<words>",                  "minimum_should_match":  "75%"              }          }   !
  • 173. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
  • 174. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !      "match":  {            "title":  {                "query":  "<words>",                "fuzziness":  "AUTO"              }          }   !
  • 175. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
  • 176. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. !    "match_phrase":  {            "title":  {                "query":  "<words>",                "slop":  "10"            }        }   !
  • 177. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "must":  {  <min_should_match>  },      "should":  [                      {            <fuzzy>              },                      {          <proximity>        }      ]   }  
  • 178. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi-field queries
  • 179. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
  • 180. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. easy!
  • 181. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {"first":    "Reginald"  }},          {  "match":  {"middle":  "Kenneth"    }},          {  "match":  {"last":      "Dwight"      }}          ],          "minimum_should_match":  "75%"   }  
  • 182. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.
  • 183. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. hard!
  • 184. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
  • 185. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
  • 186. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   } better match
  • 187. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   } But 2 matches wins
  • 188. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. dis_max query
  • 189. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query
  • 190. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query _score  =  best  matching  query
  • 191. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "bool":  {      "should":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
  • 192. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ]   }
  • 193. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
  • 194. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "title":      "Quick  brown  rabbits",      "content":  "Brown  rabbits  are  commonly  seen"   } {      "title":      "Keeping  pets  healthy",      "content":  "My  quick  brown  fox  eats  rabbits  on  a                                regular  basis"   }
  • 195. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ],      "tie_breaker":  0.2   }
  • 196. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. all docs which match any query dis_max query _score  =  best  matching  query     +  tie_breaker  *  others
  • 197. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. multi_match query
  • 198. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. match query on multiple fields multi_match query
  • 199. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "dis_max":  {      "queries":  [          {  "match":  {                  "title":    "quick  brown  fox"            }},          {  "match":  {                  "content":  "quick  brown  fox"              }}      ],      "tie_breaker":  0.2   }
  • 200. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [  "title",  "content"  ]      "tie_breaker":  0.2   }
  • 201. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [  "title",  "content"  ]      "tie_breaker":  0.2,   #  "type":              "best_fields"   }
  • 202. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields
  • 203. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. find whole "concept" in one field best_fields
  • 204. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "quick brown fox" in title or content best_fields
  • 205. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields dis_max "quick brown fox" in title or content
  • 206. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string"   }  
  • 207. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {   ! ! ! ! ! ! ! }}
  • 208. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {          "stemmed":  {              "type":          "string",              "analyzer":  "english"          }   ! ! ! }}
  • 209. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "title":  {      "type":                  "string",      "fields":  {          "stemmed":  {              "type":          "string",              "analyzer":  "english"          },          "autocomplete":  {              "type":          "string",              "analyzer":  "edge_ngrams"   }}}
  • 210. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   !
  • 211. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   ! title.stemmed:      [  brown,  fox,  jump  ]   !
  • 212. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. title:      [  brown,  fox,  jumped  ]   ! title.stemmed:      [  brown,  fox,  jump  ]   ! title.autocomplete      [  b,  br,  bro,  brow,  brown,            f,  fo,  fox,          j,  ju,  jum,  jump,  jumpe,  jumped      ]  
  • 213. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":            "quick  brown  fox",      "fields":      [                                    "title",                                    "title.stemmed",                                  "title.autocomplete"                              ]      "type":              "most_fields"   }
  • 214. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields
  • 215. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields match same text analyzed in different ways
  • 216. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields more matching fields = better
  • 217. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. most_fields bool more matching fields = better
  • 218. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. {      "first":    "Reginald",      "middle":  "Kenneth"      "last":      "Dwight"   }
  • 219. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]   ! }
  • 220. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "????"   }
  • 221. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "most_fields"   }
  • 222. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "most_fields"   }
  • 223. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
  • 224. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem field centric
  • 225. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    first:  Kenneth        OR    first:  Dwight   )  OR  (              middle:Reginald        OR    middle:Kenneth        OR    middle:Dwight   )  OR  (              last:    Reginald        OR    last:    Kenneth        OR    last:    Dwight   )
  • 226. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    first:  Kenneth        OR    first:  Dwight   )  OR  (              middle:Reginald        OR    middle:Kenneth        OR    middle:Dwight   )  OR  (              last:    Reginald        OR    last:    Kenneth        OR    last:    Dwight   )
  • 227. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
  • 228. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem operator: and
  • 229. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
  • 230. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
  • 231. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem
  • 232. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies
  • 233. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies first:dwight    ➔  common
  • 234. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. problem term frequencies first:dwight    ➔  common last:  dwight    ➔  uncommon
  • 235. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. solution
  • 236. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. index time solution
  • 237. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. index time solution single "fullname" field
  • 238. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string"   },   "middle":  {            "type":  "string"   },   "last":  {            "type":  "string"   }   !
  • 239. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string"   },   "middle":  {            "type":  "string"   },   "last":  {            "type":  "string"   },   "full":  {          "type":  "string"     }   !
  • 240. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "first":  {            "type":  "string",  "copy_to":  "full"     },   "middle":  {            "type":  "string",  "copy_to":  "full"     },   "last":  {            "type":  "string",  "copy_to":  "full"     },   "full":  {          "type":  "string"     }   !
  • 241. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "match":  {      "full":  "Reginald  Kenneth  Dwight",      "minimum_should_match":  "75%"   }
  • 242. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query time solution
  • 243. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. query time solution term-centric query
  • 244. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        AND  first:  Kenneth        AND  first:  Dwight   )  OR  (              middle:Reginald        AND  middle:Kenneth        AND  middle:Dwight   )  OR  (              last:    Reginald        AND  last:    Kenneth        AND  last:    Dwight   )
  • 245. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. (          first:  Reginald        OR    middle:Reginald        OR    last:    Reginald     )  AND  (              first:  Kenneth        OR    middle:Kenneth        OR    last:    Kenneth     )  AND  (              first:  Dwight      OR    middle:Dwight      OR    last:    Dwight   )
  • 246. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.        blend(first,middle,last):Reginald   AND  blend(first,middle,last):Kenneth   AND  blend(first,middle,last):Dwight
  • 247. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.        blend(first,middle,last):Reginald   AND  blend(first,middle,last):Kenneth   AND  blend(first,middle,last):Dwight blends term frequencies
  • 248. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. cross_fields
  • 249. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. cross_fields query multiple fields as if they were one
  • 250. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "cross_fields"   }
  • 251. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. "multi_match":  {      "query":  "Reginald  Kenneth  Dwight",      "fields":      [                                    "first",                                    "middle",                                  "last"                              ]      "type":              "cross_fields",      "minimum_should_match":  "75%"   }
  • 252. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. best_fields: whole concept in single field most_fields: same text, different analyzers cross_fields: treat multiple fields as one
  • 253. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. understand the building blocks
  • 254. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. the rest is details
  • 255. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. thank you @clintongormley
  • 256. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited. thank you @clintongormley elasticsearch.org/downloads elasticsearch.com/support elasticsearch.com/jobs