The aggregate tag has no wiki summary.
1
vote
2answers
233 views
Why is aggregation function bad idea for RESTful?
As title: Why is aggregation function bad idea for RESTful? Although I know CRUD is good for RESTful.
For example, the resource is 'employee', and client needs to retrive sum of total 'salary' of all ...
0
votes
1answer
29 views
pre aggregating documents mongodb
In our current setup, most of our database calls are updates where we increment a key by 1.
If all one is doing is incrementing certain keys on a document (a lot) in mongodb, and there are several ...
-1
votes
1answer
110 views
Data aggregation like polyvore.com [closed]
I'm creating a website that is going to aggregate women shoes from across the web into one website. Kinda like polyvore.com does with all their products but mine is only going to be shoes. Which ...
5
votes
3answers
458 views
DDD - Aggregate Roots - Dealing with Efficiency and Concurrency
First off, I'll admit that I'm a newbie to DDD and need to read the "blue book".
I'm building a system that has an AggregateRoot of type "Match". Each Match can have a collection of "Votes" and also ...
3
votes
3answers
327 views
what does composition example vs aggregation
Composition and aggregation both are confusion to me. Does my code sample below indicate composition or aggregation?
class A {
public static function getData($id) {
//something
}
...
1
vote
3answers
175 views
Aggregate root & Repository dilemma
I am in a big dilemma here.
I have a League, Team and Player entities. I have created a repo for the league only as a Team cannot exists without a League. At first I had bounded the players only with ...
2
votes
5answers
518 views
How to find out what Hackathons are coming up near me? [closed]
I just went to my first hackathon (London GreenHackathon) and I want to go to lots more. Specifically, hackathons that have a theme of helping people or making the world a better place in some way. I ...
5
votes
4answers
3k views
Are DDD Aggregates really a good idea in a Web Application?
I'm diving in to Domain Driven Design and some of the concepts i'm coming across make a lot of sense on the surface, but when I think about them more I have to wonder if that's really a good idea.
...
1
vote
4answers
882 views
Can an aggregate root hold references of members of another aggregate root?
I know that outside of aggregates I can't change anything inside an aggregate without passing by his root. That said I would like to know if an aggregate root can hold references of members (objects ...
3
votes
4answers
880 views
DBMS agnostic - What to name the COUNT column from a SQL Query
I have trouble naming the COUNT() column from SQL queries and will swap between various variants
_Count
[Count] (sql, or "count" or backticks for MySQL etc)
C
Cnt
CountSomething (where "something" ...
