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15 lines
570 B
15 lines
570 B
class MigrateCoureGroupPosition < ActiveRecord::Migration[5.2]
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def change
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course_ids = [377, 657, 715, 777, 973, 1093, 1131, 1180, 1309, 1920, 2037, 2346, 2354, 2493, 2752, 2920, 3000,
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3141, 3240, 3350, 3351, 3353, 3387, 3533, 3796]
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courses = Course.where(id: course_ids)
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courses.each do |course|
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CourseGroup.where(course_id: course.id).reorder("position ASC, CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").each_with_index do |group, index|
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group.update!(position: index+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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