8 lines
220 B
8 lines
220 B
6 years ago
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class MigrateGradeIndex < ActiveRecord::Migration[5.2]
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def change
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remove_index :grades, [:user_id, :container_id]
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add_index :grades, [:container_id, :container_type]
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add_index :grades, [:user_id]
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end
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end
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