Issue with @Unindexed Annotation on java.util.Collections in Spring Data Cloud Datastore - Not Working as Expected about spring-cloud-gcp

[meltsufin]

I think this is a valid issue.
Some context for investigation: spring-attic/spring-cloud-gcp#1832.

[burkedavison]

Hello @Rajkumar061299 , can you clarify what is the behavior you're seeing with Objectify that you're expecting with the Spring Cloud GCP Data Datastore module?

When I have a entity defined like this:

@Entity
public class ObjectifyLibrary {
  @Id private String id = UUID.randomUUID().toString();
  @Unindex private String primitive;
  @Unindex private Set<String> collectionOfPrimitive;
  @Unindex private Map<String, String> mapOfPrimitives;
  @Unindex private ObjectifyBook ref;
  @Unindex private List<ObjectifyBook> refs;
  @Unindex private Map<String, ObjectifyBook> mapOfRefs;

The resulting entity in the console looks like this:

The above matches the current behavior of Spring Cloud GCP Data Datastore, when I modify an existing example of the have the same set of field types:

In an attempt to see what would happen, I modified the logic to mark the list or map as "exclude from indexes", I get an error from the server:

com.google.datastore.v1.client.DatastoreException: Exclude from indexes cannot be set on a list value
    at com.google.datastore.v1.client.RemoteRpc.makeException(RemoteRpc.java:184) ~[datastore-v1-proto-client-2.18.5.jar:2.18.5]

So based on the above, I am not currently seeing a difference in behavior, and I also don't see that there's an available modification to the way the library is marking "exclude from indexes" given that it would result in an exception.

[Rajkumar061299]

Hi @burkedavison, I was trying to Unindex the map in Objectify version 5.1.22, and it got unindexed properly.

import com.googlecode.objectify.annotation.*;
import java.io.Serializable;
import java.util.Map;
import java.util.Set;
import java.util.UUID;

import lombok.Data;

@Entity
@Index
@Data public class Library implements Serializable {
  @Id private String id = UUID.randomUUID().toString();
  @Unindex private Map<String, Set<String>> attributes;
}

Could you please share the GitHub link for the Objectify example you tried?

[burkedavison]

Here's the example I was using - now updated to also have a Map<String, Set>:
https://github.com/burkedavison/objectify-datastore-example/tree/main

I'm still getting the same behavior - not what you're seeing in your screenshot.

[Rajkumar061299]

Hi @burkedavison , In our application, we are currently using Objectify version 5.1.22, which allows us to Unindex lists or sets of objects, as well as maps. However, after further investigation, we discovered that newer versions of Objectify and Google Datastore client libraries do not support these types. Thank you for your assistance with this issue. We can close this issue.

[burkedavison]

Sounds good - thank you for your patience and best wishes on your application.