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12 lines
355 B
12 lines
355 B
class MigrateCourseGroupPosition < ActiveRecord::Migration[5.2]
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def change
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Course.find_each do |course|
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position = 1
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course.course_groups.reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").find_each do |group|
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group.update_attribute(:position, position)
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position += 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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