datamapper

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Set DataMapper :order parameters from querystring params

As I\'m not yet fluent in Ruby, I\'m having struggling to construct an elegant solution for sorting in my Rails3/DataMapper project.[详细]

2023-02-18 22:36 分类：问答
Use DataMapper instead of ActiveRecord [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-02-18 18:36 分类：问答
Rake db error: ERROR 1102 (42000) at line 1: Incorrect database name [nil]

I am getting the following error: $ rake db:drop (in D:/Repository/MyApp) ~ [datamapper] Setting up the \"development\" environment:[详细]

2023-02-18 16:36 分类：问答
Rails3 and Datamapper

I am going to migrate from rails 3 app, that used AR and arel to datamapper. I love chains of scopes like Person.where(...).where(...).somescope.paginate(...).order(开发者_C百科...). how to migrate fr[详细]

2023-02-18 13:00 分类：问答
Creating MySQL triggers using DataMapper

I\'ve been trying to sear开发者_C百科ch and figure this on my own, but no luck so far :( I\'d like to create MySQL triggers using DataMapper (or any other Ruby db adapter). Is this possible?[详细]

2023-02-17 14:10 分类：问答
Datamapper Many-To-Many relation

Article has many authors, editors, translaters, etc. All of class Person. Is it possible to generate join model? Or, in this case, solution is to create each join models manually.[详细]

2023-02-17 13:54 分类：问答
Autoincrement keys using DataMapper with legacy PostgreSQL db

I have an existing PostgreSQL database that I want to access with Ruby DataMapper. I have created my models according to the existing database schemata, but primary keys are not auto incremented.[详细]

2023-02-17 06:15 分类：问答
How to use Sinatra, Datamapper, DM-Paperclip and S3?

Update: I\'ve switched to CarrierWave (finally got it to work), so although I still appreciate answers to this question I won\'t be able to try if they actually work since I\'ve completely removed DM-[详细]

2023-02-16 22:39 分类：问答
How to represent a list in Datamapper

I have the following datamapper model: class List include DataMapper::Resource property :id, Serial property :author, String, :required => true,[详细]

2023-02-16 13:25 分类：问答
DataMapper 'datetime' field format

require \'active_support\' # for Time.now.to_s(:db) require \'user\' # user.rb has DataMapper \'property :registered_at, DateTime\'[详细]

2023-02-15 20:24 分类：问答