Skip to content Skip to sidebar Skip to footer
Showing posts with the label Activerecord

Get The Count Of Rows Count After Group By

Here is the code I use in a Ruby on Rails project to find residences which have amenities with the … Read more Get The Count Of Rows Count After Group By

How Do You Manually Execute Sql Commands In Ruby On Rails Using Nuodb

I'm trying to manually execute SQL commands so I can access procedures in NuoDB. I'm using … Read more How Do You Manually Execute Sql Commands In Ruby On Rails Using Nuodb

Rails Activerecord And Db Normalization

What are the pros and cons of breaking out optional 1:1 attributes into their own separate model. F… Read more Rails Activerecord And Db Normalization

How To Join On Subqueries Using Arel?

I have a few massive SQL request involving join across various models in my rails application. A si… Read more How To Join On Subqueries Using Arel?

Pluck Last Value Of An Association In Rails

The model Price has an attribute data, so Price.pluck(:data) results in something like [3.99,4.55,… Read more Pluck Last Value Of An Association In Rails

Difficulty With Activerecord Query That Does Percentage Calculation

I have an ActiveRecord schema, PurchaseSummary, that I inherited and THAT I CAN NOT CHANGE that loo… Read more Difficulty With Activerecord Query That Does Percentage Calculation

Simple Persistence Framework Compatible With Macruby?

I'm running into problems using macruby with ActiveRecord (w/ sqlite3) or Sequel. Any other sug… Read more Simple Persistence Framework Compatible With Macruby?

Rails Activerecord Eager Load Takes A Long Time

I am using eager loading to join two of my tables Model1.eager_load(:model2) The Model1 table has … Read more Rails Activerecord Eager Load Takes A Long Time