I\'m working on an app that has the models User and Project, and User can be assigned to multiple Projects, via ProjectUser, with a role (e.g. Developer, Designer).
How do I convert the following into something that works on sqlite and mysql? Note, internal is nullable.
I have this scope in my artist model that gives me the artists, in the order of their popularity within a certain time period. popularity in the popularity_caches table is computed every day.
How do I retrieve a set of records, ordered by count in Arel? I have a model which tracks how many views a product get. I want to find the X most frequently viewed products over the last Y days.
I\'m wondering if there\'s a nicer way to do this: I have 2 complex relations with multiple joins joining to Table D. I want to combine/join them to get the Table D records. The following works but i
I have a simple model class User has_many :logs class Logs related in the usual way through the foreign key logs.user_id. I\'m trying to do the following using Arel and according to the Arel doc
I\'m using a slightly-modified version of the geocoded gem which returns this query when I call near on my model (calling Deal.near(southwest), where southwest is an array of geo coordinates):
I have three tables: users, members, projects.The middle is a join table expressing a has-many-through between the other two tables; and it has some attributes of interest, including join_code and act
Here is what I\'m trying to do class Question has_many :votes end class Vote belongs_to :question end I want to find all questions ordered by the numb开发者_Go百科er of votes they have. I want to
Essentially I am looking for a no-op type of relation to apply to a chain of scopes. Lets say I have a chain of scopes:
加载中,请稍侯......