To use this plugin is it necessary to get all records from the database with one request?

[dcristafovici]

Hello, I have one question. I started to use this packet, for the beginning I had created a special function Connection that permits me to get in response to the new structure of the object.
After I have created new class that I use it for type of GraphqQL response

@ObjectType()
export class CategoryConnection extends Connection<Category>(Category) {}

Now my resolver looks that

@Query(() => CategoryConnection)
  async findCategories(
    @Args('data') data: GraphqlRelayParams,
  ): Promise<CategoryConnection> {
    return connectionFromPromisedArray(this.categoryService.find(), data);
  }

All is okay, because I have been getting the expected result and parameters are working excellently.

Anyway I am wondering if it is the right approach. As you can see in resolver I call method find from categoryService, that returns all records from database

 find(): Promise<Category[]> {
    return this.categoryRepository.createQueryBuilder('category').getMany();
  }

In the end, as I understand, when User makes a request, service find returns all records ( getMany) and graphql return to user only neediest elements( by after and limit params). I guess that service also should get params, and take from the database only necessary records. Or am I wrong?