24 lines
627 B
Ruby
24 lines
627 B
Ruby
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class CreateSyllabusMembers < ActiveRecord::Migration
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def change
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create_table :syllabus_members do |t|
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t.integer :rank
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t.references :syllabus
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t.references :user
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t.timestamps
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end
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add_index :syllabus_members, :syllabus_id
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add_index :syllabus_members, :user_id
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add_index :syllabus_members, :rank
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count = Syllabus.all.count / 30 + 2
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transaction do
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for i in 1 ... count do i
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Syllabus.page(i).per(30).each do |syllabus|
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SyllabusMember.create(:user_id => syllabus.user_id, :syllabus_id => syllabus.id, :rank => 1)
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end
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end
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end
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end
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end
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