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Commit Description:
utf8mb4
Commit Description:
utf8mb4
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db/migrate/20170310110146_add_index_to_task.rb | 5 lines | 112 B | text/x-ruby | RubyLexer |
update migration
r822 class AddIndexToTask < ActiveRecord::Migration[4.2]
add rejudge button
r645 def change
add_index :tasks, :submission_id
end
end