8 lines
255 B
Ruby
8 lines
255 B
Ruby
class AddPollShiftTaskIndex < ActiveRecord::Migration[4.2]
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def change
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remove_index "poll_shifts", column: [:booth_id, :officer_id]
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add_index :poll_shifts, :task
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add_index :poll_shifts, [:booth_id, :officer_id, :task], unique: true
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end
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end
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