Change collation for Spring Reactive MongoDB

Question

I'm using spring-data-mongodb:2.2.2.RELEASE, spring-boot-starter-webflux:2.2.2.RELEASE and a Mongodb v4.2.x. I need change the database collation in order to set it for being case insensitive for all queries.

I check the doc:

• https://docs.spring.io/spring-data/mongodb/docs/current/api/org/springframework/data/mongodb/core/query/Collation.html
• https://docs.spring.io/spring-data/mongodb/docs/2.2.5.RELEASE/reference/html/#mongo.collation

but I don't figure out how use it with reactive templates.

@Configuration
@EnableReactiveMongoRepositories
class MongoConfig {

// How should I use it?

}

Answer 1

Since version 3.4, MongoDB supports collations for collection and index creation and various query operations.

Any of this solution:

• Modify your @Document entity to specify collation
• Modify your @Repositories with @Query (Example 82. Collation support for Repositories)
• Find, Aggregation, etc...

https://docs.spring.io/spring-data/mongodb/docs/2.2.5.RELEASE/reference/html/#mongo.collation