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Commit Description:
update migration
Commit Description:
update migration
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db/migrate/20100216162940_create_contests_problems_join_table.rb | 12 lines | 348 B | text/x-ruby | RubyLexer |
class CreateContestsProblemsJoinTable < ActiveRecord::Migration[4.2]
def self.up
create_table :contests_problems, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
t.integer :contest_id
t.integer :problem_id
end
end
def self.down
drop_table :contests_problems
end
end