cafe-grader-web

Location: cafe-grader-web/db/migrate/20170911091143_create_groups.rb - annotation

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Commit Description:
utf8mb4
Commit Description:
utf8mb4
References:
r862:0df5f90eea20 default
File last commit:
r822:f42556ce3209 upgrade_rails7
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Action:
db/migrate/20170911091143_create_groups.rb | 30 lines | 1.1 KiB | text/x-ruby | RubyLexer |
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admin
update migration
 r822 class CreateGroups < ActiveRecord::Migration[4.2]
admin
add problem group
 r672
def change
admin
update migration
 r822 create_table :groups, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
admin
add problem group
 r672 t.string :name
t.string :description
end
admin
update migration
 r822 create_join_table :groups, :users, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
admin
add problem group
 r672 # t.index [:group_id, :user_id]
t.index [:user_id, :group_id]
end
admin
update migration
 r822 create_join_table :problems, :groups, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
admin
add problem group
 r672 # t.index [:problem_id, :group_id]
t.index [:group_id, :problem_id]
end
reversible do |change|
change.up do
GraderConfiguration.where(key: 'system.use_problem_group').first_or_create(value_type: 'boolean', value: 'false',
description: 'If true, available problem to the user will be only ones associated with the group of the user');
end
change.down do
GraderConfiguration.where(key: 'system.use_problem_group').destroy_all
end
end
end
end