Hi,
while working on OGM-781 I noticed that there is a problem with Hibernate
Search when trying to get the projection of a property that represents a
collection of elements..
EntityInfo#getProjections()[0] will always return the first value of the
association.
For example, if I index the following entity:
@Indexed
public static class ExampleEntity {
@Field(store = Store.YES)
Integer someInteger;
...
@Field(store = Store.YES)
@IndexedEmbedded
List<Integer> someCollection;
}
and than add a projection on "someCollection"
EntityInfo.getProjection()[0] will only return the first result of the
collection instead of returning a List<Integer>.
This seems a bug to me.
I've already created a local branch that should fix the behaviour in this
case.
It also makes me wonder, what should we do with a list of embeddables?
For example:
@Field(store = Store.YES)
@IndexedEmbedded
List<ExampleEntity> nestedExamples
In this case, would it make sense to project "someCollection.someInteger"?
And what would be the expected result calling EntityInfo.getProjection()[0]?
Cheers,
Davide
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