The Elasticsearch Query DSL is a rich, flexible, powerful query language for full text and structured search, but with power comes complexity. Which of the 40 available queries should you use? What's a filter and when should you use it? How do you combine multiple filters, or multiple queries or queries with filters? To most users, "relevance", and how it is affected by different queries, is a black box. Multi-field queries in particular can be difficult to get right if you don't understand how they work. In this talk, I will explain the Query DSL from the ground up: how filters and queries use the inverted index to find matching documents, how the relevance score is calculated, how to combine the filter/query building blocks into complex statements. And finally, I will talk about the pitfalls of multi-field queries and how to avoid them.

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

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elasticsearch

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elasticsearch
• real-time

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elasticsearch
• real-time
• distributed

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elasticsearch
• real-time
• distributed
• search

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elasticsearch
• real-time
• distributed
• search
• analytics

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mapping

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mapping
analysis

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mapping
analysis query dsl

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mapping
analysis query dsl

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query dsl

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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

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inverted index
not just for text

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inverted index
numbers, dates, bools, enums
geopoints, geoshapes, etc

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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
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