Top all-time · #25017
Valeri Karpov
Personal blog · thecodebarbarian.wordpress.comprogrammingweb
Valeri Karpov writes The Code Barbarian, a personal blog at thecodebarbarian.wordpress.com about programming and web. Since 2013, 3 different Hacker News readers have linked it 3 times. The last post was in 2015, but the archive is still widely read.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
Linked posts are about aggregating NBA data with PostgreSQL versus MongoDB. The one comment asks whether MongoDB's aggregation, where the processing order must be specified, is backward compared with a relational query plan.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
The software development blog of Valeri Karpov
What Hacker News says?
So if I understand this correctly, the original article [1] shows that the mongodb queries being used rely on doing projections and selections on the data, then they apply aggregations. However, unlike a relational engine which uses a query plan, you need to actually tell the aggregation engine in which order to process the data. Doesn't this seem a little... backward? If the dataset is complex enough, the two thing…
Comment linking /2014/02/14/crunching-30-years-of-nba-data-with-mongodb-aggregation/
on “Aggregating NBA data, PostgreSQL vs MongoDB”Submitted The 80/20 Guide to Writing AngularJS Directives as a story · 2 points
HN discussionSubmitted Mistakes You’re Probably Making with MongooseJS, and How to Fix Them as a story · 1 points
HN discussion