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ruby-hniu/db/migrate/20240410020711_create_user_...

29 lines
731 B

class CreateUserClasses < ActiveRecord::Migration[5.2]
def change
unless table_exists?(:user_classes)
create_table :user_classes do |t|
t.string :name
t.boolean :is_use, default:true,comment:"是否启用"
t.timestamps
end
arr = []
sql = "select * from class_table"
data = ActiveRecord::Base.connection.execute(sql)
arr += data.map{|item| item[0]}
array = (1..22).to_a
array.each do |item|
sql = "select * from week#{item}"
data = ActiveRecord::Base.connection.execute(sql)
arr += data.map{|item| item[0]}
end
arr = arr.uniq
arr.each do |item|
UserClass.create(name:item)
end
end
end
end