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Add tests for projections on dbref properties update java- and reference documentation.

Original Pull Request: #3894
This commit is contained in:
Christoph Strobl
2021-12-10 09:11:47 +01:00
parent 0070b12f95
commit fdff74f7b5
6 changed files with 117 additions and 12 deletions
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src/main/asciidoc/reference/mongodb.adoc
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@@ -2050,6 +2050,8 @@ NOTE: Using projections allows `MongoTemplate` to optimize result mapping by lim
by the projection target type. This applies as long as the `Query` itself does not contain any field restriction and the
target type is a closed interface or DTO projection.
WARNING: Projections must not be applied to <<mapping-usage-references,DBRefs>>.
You can switch between retrieving a single entity and retrieving multiple entities as a `List` or a `Stream` through the terminating methods: `first()`, `one()`, `all()`, or `stream()`.
When writing a geo-spatial query with `near(NearQuery)`, the number of terminating methods is altered to include only the methods that are valid for running a `geoNear` command in MongoDB (fetching entities as a `GeoResult` within `GeoResults`), as the following example shows: