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Update QBE Documentation section.

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This commit adds a note explaining scenarios suitable for an UntypedExampleMatcher.

Closes: #3474
Original pull request: #3538.
This commit is contained in:
Christoph Strobl
2021-01-19 10:46:55 +01:00
committed by Mark Paluch
parent 70d87a9f71
commit 91f1dc1c6a
4 changed files with 62 additions and 6 deletions
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7
src/main/asciidoc/reference/query-by-example.adoc
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@@ -97,3 +97,10 @@ Query query = new Query(new Criteria().alike(example));
List<Person> result = template.find(query, Person.class);
----
====
[NOTE]
====
`UntypedExampleMatcher` is likely the right choice for you if you are storing different entities within a single collection or opted out of writing <<mongo-template.type-mapping,type hints>>.
Also, keep in mind that using `@TypeAlias` requires eager initialization of the `MappingContext`. To do so, configure `initialEntitySet` to to ensure proper alias resolution for read operations.
====