Spring 数据 MongoDB - 插入批量跳过重复项

Question

I want to save 1000+ entries in batch, ignoring the duplicates

@Document("contacts")
@Data
@CompoundIndex(name = "unique_name_number", unique = true, def = "{'name' : 1, 'phoneNumber' : 1 }")
@AllArgsConstructor
public class ContactModel {

    @Id
    String id;

    Instant createdAt;
    String name;
    String phoneNumber;

}

And the execution

MongoTemplate mongo;
List<ContactModel> contacts = getLongList()
mongo.insert(contacts, ContactModel.class)

This code throws an exception if there are duplicates (name,phoneNumber).

How can I tell to mongo

Skip the duplicates and continue to insert the rest?

Thanks much

Answer 1

You can try, using an unordered BulkOperations , like this:

BulkOperations bulkOps = mongo.bulkOps(BulkMode.UNORDERED, ContactModel.class);
bulkOps.insert(contacts);
BulkWriteResult results = bulkOps.execute();