I use Rails 3.0.4 and RSpec 2.5. In my controllers I use named scopes heavily, for example @collection = GuestbookEntry.nonreplies.bydate.inclusive.paginate(
I\'m having a really rough time figuring out how to do this query and others like it in arel from active record.
In my Rails db 开发者_如何学JAVAscheme there is the following structure: tasks has many jobs jobs belongs to one category
开发者_JAVA技巧What I need is probably very simple: Table.where(\'field is not true\') but I can\'t figure how this is done with Rails 3 query interface, and probably with meta_where.The problem is
Lets say I have a few of tables orders = Arel::Table.new :orders stores = Arel::Table.new :stores managers = Arel::Table.new :managers
My Rails db scheme has projects and task. I want to show projects which have at least one open task. This is my code:
What is the best way to find 开发者_JAVA百科records with duplicate values in a column using ruby and the new Activerecord?Translating @TuteC into ActiveRecord:
I use rails 3.0.4 here is a piece of Arel query in my rails applicati开发者_开发百科on, How can I use the upcase method to make a none case sensitive search in a database agnostic way?
I\'ve been stuck on a problem recently for a little while and found my way to Arel which looks like it should allow me to do OR\'s in my queries.
I\'m trying to understand the benefits of building SQL via an object-oriented builder DSL vs. parameterizing a raw SQL string.After researching/implementing the same query three ways, I notice that th