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DATAES-758 - Fix documentation for @Query annotation.

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Original PR: #402
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Peter-Josef Meisch 2020-03-06 18:44:49 +01:00 committed by GitHub
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234
src/main/asciidoc/reference/elasticsearch-repository-queries.adoc
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@ -8,7 +8,7 @@ The Elasticsearch module supports all basic query building feature as string que
=== Declared queries
Deriving the query from the method name is not always sufficient and/or may result in unreadable method names. In this case one might make either use of `@Query` annotation (see <<elasticsearch.query-methods.at-query>> ).
Deriving the query from the method name is not always sufficient and/or may result in unreadable method names. In this case one might make use of the `@Query` annotation (see <<elasticsearch.query-methods.at-query>> ).
[[elasticsearch.query-methods.criterions]]
== Query creation
@ -29,13 +29,15 @@ The method name above will be translated into the following Elasticsearch json q
[source]
----
{ "bool" :
{ "must" :
[
{ "field" : {"name" : "?"} },
{ "field" : {"price" : "?"} }
{
"query": {
"bool" : {
"must" : [
{ "query_string" : { "query" : "?", "fields" : [ "name" ] } },
{ "query_string" : { "query" : "?", "fields" : [ "price" ] } }
]
}
}
}
----
@ -48,80 +50,184 @@ A list of supported keywords for Elasticsearch is shown below.
| Sample
| Elasticsearch Query String| `And`
| `findByNameAndPrice`
| `{"bool" : {"must" : [ {"field" : {"name" : "?"}},
{"field" : {"price" : "?"}} ]}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "?", "fields" : [ "name" ] } },
{ "query_string" : { "query" : "?", "fields" : [ "price" ] } }
]
}
}}`
| `Or`
| `findByNameOrPrice`
| `{"bool" : {"should" : [ {"field" : {"name" : "?"}},
{"field" : {"price" : "?"}} ]}}`
| `{ "query" : {
"bool" : {
"should" : [
{ "query_string" : { "query" : "?", "fields" : [ "name" ] } },
{ "query_string" : { "query" : "?", "fields" : [ "price" ] } }
]
}
}}`
| `Is`
| `findByName`
| `{"bool" : {"must" : {"field" : {"name" : "?"}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "?", "fields" : [ "name" ] } }
]
}
}}`
| `Not`
| `findByNameNot`
| `{"bool" : {"must_not" : {"field" : {"name" : "?"}}}}`
| `{ "query" : {
"bool" : {
"must_not" : [
{ "query_string" : { "query" : "?", "fields" : [ "name" ] } }
]
}
}}`
| `Between`
| `findByPriceBetween`
| `{"bool" : {"must" : {"range" : {"price" : {"from" :
?,"to" : ?,"include_lower" : true,"include_upper" : true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : ?, "to" : ?, "include_lower" : true, "include_upper" : true } } }
]
}
}}`
| `LessThan`
| `findByPriceLessThan`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : null, "to" : ?, "include_lower" : true, "include_upper" : false } } }
]
}
}}`
| `LessThanEqual`
| `findByPriceLessThan`
| `{"bool" : {"must" : {"range" : {"price" : {"from" :
null,"to" : ?,"include_lower" : true,"include_upper" :
true}}}}}`
| `findByPriceLessThanEqual`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : null, "to" : ?, "include_lower" : true, "include_upper" : true } } }
]
}
}}`
| `GreaterThan`
| `findByPriceGreaterThan`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : ?, "to" : null, "include_lower" : false, "include_upper" : true } } }
]
}
}}`
| `GreaterThanEqual`
| `findByPriceGreaterThan`
| `{"bool" : {"must" : {"range" : {"price" : {"from" :
?,"to" : null,"include_lower" : true,"include_upper" :
true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : ?, "to" : null, "include_lower" : true, "include_upper" : true } } }
]
}
}}`
| `Before`
| `findByPriceBefore`
| `{"bool" : {"must" : {"range" : {"price" : {"from" :
null,"to" : ?,"include_lower" : true,"include_upper" :
true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : null, "to" : ?, "include_lower" : true, "include_upper" : true } } }
]
}
}}`
| `After`
| `findByPriceAfter`
| `{"bool" : {"must" : {"range" : {"price" : {"from" :
?,"to" : null,"include_lower" : true,"include_upper" :
true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"range" : {"price" : {"from" : ?, "to" : null, "include_lower" : true, "include_upper" : true } } }
]
}
}}`
| `Like`
| `findByNameLike`
| `{"bool" : {"must" : {"field" : {"name" : {"query" :
"?*","analyze_wildcard" : true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "?*", "fields" : [ "name" ] }, "analyze_wildcard": true }
]
}
}}`
| `StartingWith`
| `findByNameStartingWith`
| `{"bool" : {"must" : {"field" : {"name" : {"query" :
"?*","analyze_wildcard" : true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "?*", "fields" : [ "name" ] }, "analyze_wildcard": true }
]
}
}}`
| `EndingWith`
| `findByNameEndingWith`
| `{"bool" : {"must" : {"field" : {"name" : {"query" :
"*?","analyze_wildcard" : true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "*?", "fields" : [ "name" ] }, "analyze_wildcard": true }
]
}
}}`
| `Contains/Containing`
| `findByNameContaining`
| `{"bool" : {"must" : {"field" : {"name" : {"query" :
"*?*","analyze_wildcard" : true}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "\*?*", "fields" : [ "name" ] }, "analyze_wildcard": true }
]
}
}}`
| `In`
| `findByNameIn(Collection<String>names)`
| `{"bool" : {"must" : {"bool" : {"should" : [ {"field" :
{"name" : "?"}}, {"field" : {"name" : "?"}} ]}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"bool" : {"must" : [
{"terms" : {"name" : ["?","?"]}}
]
}
}
]
}
}}`
| `NotIn`
| `findByNameNotIn(Collection<String>names)`
| `{"bool" : {"must_not" : {"bool" : {"should" : {"field" :
{"name" : "?"}}}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{"bool" : {"must_not" : [
{"terms" : {"name" : ["?","?"]}}
]
}
}
]
}
}}`
| `Near`
| `findByStoreNear`
@ -129,18 +235,45 @@ A list of supported keywords for Elasticsearch is shown below.
| `True`
| `findByAvailableTrue`
| `{"bool" : {"must" : {"field" : {"available" : true}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "true", "fields" : [ "available" ] } }
]
}
}}`
| `False`
| `findByAvailableFalse`
| `{"bool" : {"must" : {"field" : {"available" : false}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "false", "fields" : [ "available" ] } }
]
}
}}`
| `OrderBy`
| `findByAvailableTrueOrderByNameDesc`
| `{"sort" : [{ "name" : {"order" : "desc"} }],"bool" :
{"must" : {"field" : {"available" : true}}}}`
| `{ "query" : {
"bool" : {
"must" : [
{ "query_string" : { "query" : "true", "fields" : [ "available" ] } }
]
}
}, "sort":[{"name":{"order":"desc"}}]
}`
|===
== Method return types
Repository methods can be defined to have the following return types for returning multiple Elements:
* `List<T>`
* `Stream<T>`
* `AggregatedPage<T>`
[[elasticsearch.query-methods.at-query]]
== Using @Query Annotation
@ -149,8 +282,21 @@ A list of supported keywords for Elasticsearch is shown below.
[source,java]
----
interface BookRepository extends ElasticsearchRepository<Book, String> {
@Query("{\"bool\" : {\"must\" : {\"field\" : {\"name\" : \"?0\"}}}}")
@Query("{\"match\": {\"name\": {\"query\": \"?0\"}}}")
Page<Book> findByName(String name,Pageable pageable);
}
----
The String that is set as the annotation argument must be a valid Elasticsearch JSON query. It will be sent to Easticsearch as value of the query element; if for example the function is called with the parameter _John_, it would produce the following query body:
[source,json]
----
{
"query": {
"match": {
"name": {
"query": "John"
}
}
}
}
----
====