40 lines
923 B
Ruby
40 lines
923 B
Ruby
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# frozen_string_literal: true
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class AddIndexesToNotifications < ActiveRecord::Migration[7.0]
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disable_ddl_transaction!
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def up
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execute <<~SQL
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DROP INDEX IF EXISTS index_notifications_user_menu_ordering
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SQL
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execute <<~SQL
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CREATE INDEX CONCURRENTLY index_notifications_user_menu_ordering
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ON notifications (
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user_id,
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(high_priority AND NOT read) DESC,
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(NOT read) DESC,
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created_at DESC
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);
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SQL
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execute <<~SQL
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DROP INDEX IF EXISTS index_notifications_user_menu_ordering_deprioritized_likes
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SQL
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execute <<~SQL
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CREATE INDEX CONCURRENTLY index_notifications_user_menu_ordering_deprioritized_likes
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ON notifications (
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user_id,
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(high_priority AND NOT read) DESC,
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(NOT read AND notification_type NOT IN (5,19,25)) DESC,
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created_at DESC
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);
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SQL
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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