13 lines
429 B
Ruby
13 lines
429 B
Ruby
# frozen_string_literal: true
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class OptimiseIndices < ActiveRecord::Migration[7.0]
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def change
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add_index :users, "LOWER(screen_name)", order: :desc, unique: true
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remove_index :users, :screen_name, unique: true
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add_index :user_bans, :expires_at, order: :desc
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add_index :announcements, %i[starts_at ends_at], order: :desc
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remove_index :themes, %i[user_id created_at]
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add_index :themes, :user_id
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end
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end
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