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educoder/db/migrate/20200109084427_create_subje...

22 lines
642 B

5 years ago
class CreateSubjectShixunInfos < ActiveRecord::Migration[5.2]
def change
create_table :subject_shixun_infos do |t|
t.references :subject
t.references :shixun
t.string :stage
t.string :shixun_name
t.integer :challenge_count, default: 0
t.integer :course_count, default: 0
t.integer :school_count, default: 0
t.integer :used_count, default: 0
t.integer :passed_count, default: 0
t.integer :evaluate_count, default: 0
t.integer :passed_ave_time, default: 0
t.timestamps
end
add_index :subject_shixun_infos, [:shixun_id, :subject_id], unique: true
end
end