`SimpleCassandraRepository.deleteAllById` removing only first element

[Veermove]

Hi, recently i found, what i believe to be a bug. While using ReactiveCassandraRepository i found that while using a composite key, the method deleteAllById deleted only the first element from provided Iterable. The setup looked like this:

interface ReactiveCassandraRepository<Center, CenterKey>

@Table("center")
class Center {
    @PrimaryKeyColumn(type = PrimaryKeyType.CLUSTERED, ordinal = 0)
    private String id;
    @PrimaryKeyColumn(type = PrimaryKeyType.PARTITIONED)
    private Boolean active;
    @PrimaryKeyColumn(type = PrimaryKeyType.CLUSTERED, ordinal = 1)
    private String countryCode;
    private String description;
}
class CenterKey extends BasicMapId {
 ... 
}

When providing List<CenterKey> to the dleteAllById, i found that only first element was deleted.

I belive this issue is in SimpleReactiveCassandraRepository, where, if using composite key, we provide Flux publisher to the method, deleteById, but this method later does Mono.from(publisher).

[mp911de]

That's fixed now.

[Veermove]

Great. Thank you!