2011-04-18 22:35:22 +00:00
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require 'ostruct'
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2005-11-06 19:05:42 +00:00
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module DeveloperProjectsAssociationExtension
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def find_most_recent
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2012-07-27 16:27:47 +00:00
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order("id DESC").first
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2005-11-06 19:05:42 +00:00
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end
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end
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2006-04-11 01:10:42 +00:00
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module DeveloperProjectsAssociationExtension2
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def find_least_recent
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2012-07-27 16:27:47 +00:00
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order("id ASC").first
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2006-04-11 01:10:42 +00:00
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end
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end
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2004-11-24 01:04:44 +00:00
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class Developer < ActiveRecord::Base
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2005-11-06 19:05:42 +00:00
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has_and_belongs_to_many :projects do
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2005-11-03 09:06:42 +00:00
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def find_most_recent
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2012-07-27 16:27:47 +00:00
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order("id DESC").first
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2005-11-03 09:06:42 +00:00
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end
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2005-11-06 19:05:42 +00:00
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end
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2008-01-18 07:27:03 +00:00
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has_and_belongs_to_many :projects_extended_by_name,
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2012-07-13 18:34:40 +00:00
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-> { extending(DeveloperProjectsAssociationExtension) },
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:class_name => "Project",
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:join_table => "developers_projects",
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:association_foreign_key => "project_id"
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2005-11-03 09:06:42 +00:00
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2008-01-18 07:27:03 +00:00
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has_and_belongs_to_many :projects_extended_by_name_twice,
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2012-07-13 18:34:40 +00:00
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-> { extending(DeveloperProjectsAssociationExtension, DeveloperProjectsAssociationExtension2) },
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2008-01-18 07:27:03 +00:00
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:class_name => "Project",
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:join_table => "developers_projects",
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2012-07-13 18:34:40 +00:00
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:association_foreign_key => "project_id"
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2006-04-11 01:10:42 +00:00
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2008-01-18 07:27:03 +00:00
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has_and_belongs_to_many :projects_extended_by_name_and_block,
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2012-07-13 18:34:40 +00:00
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-> { extending(DeveloperProjectsAssociationExtension) },
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2008-01-18 07:27:03 +00:00
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:class_name => "Project",
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:join_table => "developers_projects",
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2012-07-13 18:34:40 +00:00
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:association_foreign_key => "project_id" do
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2007-09-17 21:19:44 +00:00
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def find_least_recent
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2012-07-27 16:27:47 +00:00
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order("id ASC").first
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2007-09-17 21:19:44 +00:00
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end
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end
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2005-07-03 08:52:59 +00:00
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has_and_belongs_to_many :special_projects, :join_table => 'developers_projects', :association_foreign_key => 'project_id'
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2005-10-06 17:13:24 +00:00
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2007-10-10 06:45:13 +00:00
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has_many :audit_logs
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2012-03-21 22:18:18 +00:00
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scope :jamises, -> { where(:name => 'Jamis') }
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2008-08-21 15:08:42 +00:00
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2004-12-19 11:25:55 +00:00
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validates_inclusion_of :salary, :in => 50000..200000
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validates_length_of :name, :within => 3..20
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2007-10-10 06:45:13 +00:00
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before_create do |developer|
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developer.audit_logs.build :message => "Computer created"
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end
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2008-05-08 05:04:53 +00:00
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def log=(message)
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audit_logs.build :message => message
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end
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2012-12-02 20:24:47 +00:00
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after_find :track_instance_count
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cattr_accessor :instance_count
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def track_instance_count
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self.class.instance_count ||= 0
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self.class.instance_count += 1
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end
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private :track_instance_count
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2007-10-10 06:45:13 +00:00
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end
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class AuditLog < ActiveRecord::Base
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2008-06-11 11:39:56 +00:00
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belongs_to :developer, :validate => true
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belongs_to :unvalidated_developer, :class_name => 'Developer'
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2004-12-16 01:32:35 +00:00
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end
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2005-05-19 16:39:50 +00:00
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2012-07-27 21:21:29 +00:00
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DeveloperSalary = Struct.new(:amount)
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class DeveloperWithAggregate < ActiveRecord::Base
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self.table_name = 'developers'
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composed_of :salary, :class_name => 'DeveloperSalary', :mapping => [%w(salary amount)]
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end
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2005-11-08 10:19:09 +00:00
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class DeveloperWithBeforeDestroyRaise < ActiveRecord::Base
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self.table_name = 'developers'
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has_and_belongs_to_many :projects, :join_table => 'developers_projects', :foreign_key => 'developer_id'
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before_destroy :raise_if_projects_empty!
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def raise_if_projects_empty!
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raise if projects.empty?
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end
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end
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2008-11-16 18:06:41 +00:00
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2011-05-29 15:38:01 +00:00
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class DeveloperWithSelect < ActiveRecord::Base
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self.table_name = 'developers'
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2012-03-21 22:18:18 +00:00
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default_scope { select('name') }
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2011-05-29 15:38:01 +00:00
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end
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2011-06-23 18:57:49 +00:00
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class DeveloperWithIncludes < ActiveRecord::Base
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self.table_name = 'developers'
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has_many :audit_logs, :foreign_key => :developer_id
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2012-03-21 22:18:18 +00:00
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default_scope { includes(:audit_logs) }
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2011-06-23 18:57:49 +00:00
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end
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2008-11-16 18:06:41 +00:00
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class DeveloperOrderedBySalary < ActiveRecord::Base
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2008-11-17 20:10:59 +00:00
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self.table_name = 'developers'
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default_scope { order('salary DESC') }
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2011-04-03 23:07:45 +00:00
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2012-03-21 22:18:18 +00:00
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scope :by_name, -> { order('name DESC') }
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2008-11-16 18:06:41 +00:00
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end
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2009-05-18 19:27:42 +00:00
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class DeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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2012-03-21 22:18:18 +00:00
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default_scope { where("name = 'David'") }
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end
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2011-04-18 22:35:22 +00:00
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class LazyLambdaDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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default_scope lambda { where(:name => 'David') }
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end
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class LazyBlockDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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default_scope { where(:name => 'David') }
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end
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class CallableDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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default_scope OpenStruct.new(:call => where(:name => 'David'))
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end
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2011-04-18 22:15:38 +00:00
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class ClassMethodDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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def self.default_scope
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where(:name => 'David')
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end
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end
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2011-05-24 23:07:38 +00:00
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class ClassMethodReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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2012-03-21 22:18:18 +00:00
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scope :david, -> { where(:name => 'David') }
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2011-05-24 23:07:38 +00:00
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def self.default_scope
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david
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end
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end
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class LazyBlockReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = 'developers'
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scope :david, -> { where(:name => 'David') }
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2011-05-24 23:07:38 +00:00
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default_scope { david }
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end
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2011-04-18 22:15:38 +00:00
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class DeveloperCalledJamis < ActiveRecord::Base
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self.table_name = 'developers'
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2012-03-21 22:18:18 +00:00
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default_scope { where(:name => 'Jamis') }
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scope :poor, -> { where('salary < 150000') }
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end
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2010-02-26 10:06:55 +00:00
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class PoorDeveloperCalledJamis < ActiveRecord::Base
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self.table_name = 'developers'
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2011-04-28 16:46:26 +00:00
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2012-03-21 22:18:18 +00:00
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default_scope -> { where(:name => 'Jamis', :salary => 50000) }
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2011-04-03 23:07:45 +00:00
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end
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class InheritedPoorDeveloperCalledJamis < DeveloperCalledJamis
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self.table_name = 'developers'
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2012-03-21 22:18:18 +00:00
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default_scope -> { where(:salary => 50000) }
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2011-04-03 23:07:45 +00:00
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end
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2011-04-18 22:15:38 +00:00
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class MultiplePoorDeveloperCalledJamis < ActiveRecord::Base
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self.table_name = 'developers'
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2011-04-28 16:46:26 +00:00
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2012-03-21 22:18:18 +00:00
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default_scope -> { where(:name => 'Jamis') }
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default_scope -> { where(:salary => 50000) }
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2011-04-28 16:46:26 +00:00
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end
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2011-04-03 23:07:45 +00:00
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2011-04-28 16:46:26 +00:00
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module SalaryDefaultScope
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extend ActiveSupport::Concern
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2012-03-21 22:18:18 +00:00
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included { default_scope { where(:salary => 50000) } }
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2010-06-28 21:17:56 +00:00
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end
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2011-04-28 16:46:26 +00:00
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class ModuleIncludedPoorDeveloperCalledJamis < DeveloperCalledJamis
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self.table_name = 'developers'
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include SalaryDefaultScope
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end
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2011-05-24 02:05:06 +00:00
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class EagerDeveloperWithDefaultScope < ActiveRecord::Base
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self.table_name = 'developers'
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2012-07-13 18:34:40 +00:00
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has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
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2011-05-24 02:05:06 +00:00
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2012-03-21 22:18:18 +00:00
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default_scope { includes(:projects) }
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2011-05-24 02:05:06 +00:00
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end
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class EagerDeveloperWithClassMethodDefaultScope < ActiveRecord::Base
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self.table_name = 'developers'
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2012-07-13 18:34:40 +00:00
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has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
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2011-05-24 02:05:06 +00:00
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def self.default_scope
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includes(:projects)
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end
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end
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class EagerDeveloperWithLambdaDefaultScope < ActiveRecord::Base
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self.table_name = 'developers'
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2012-07-13 18:34:40 +00:00
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has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
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2011-05-24 02:05:06 +00:00
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default_scope lambda { includes(:projects) }
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end
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class EagerDeveloperWithBlockDefaultScope < ActiveRecord::Base
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self.table_name = 'developers'
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2012-07-13 18:34:40 +00:00
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has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
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2011-04-28 16:46:26 +00:00
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2011-05-24 02:05:06 +00:00
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default_scope { includes(:projects) }
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end
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class EagerDeveloperWithCallableDefaultScope < ActiveRecord::Base
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self.table_name = 'developers'
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2012-07-13 18:34:40 +00:00
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has_and_belongs_to_many :projects, -> { order('projects.id') }, :foreign_key => 'developer_id', :join_table => 'developers_projects'
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2011-05-24 02:05:06 +00:00
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default_scope OpenStruct.new(:call => includes(:projects))
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end
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2011-08-13 15:37:44 +00:00
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class ThreadsafeDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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def self.default_scope
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sleep 0.05 if Thread.current[:long_default_scope]
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limit(1)
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end
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end
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2012-12-10 19:22:30 +00:00
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class CachedDeveloper < ActiveRecord::Base
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self.table_name = "developers"
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self.cache_timestamp_format = :number
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end
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