12 lines
486 B
Ruby
12 lines
486 B
Ruby
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class AddNotificationsPerformanceIndex < ActiveRecord::Migration[7.1]
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disable_ddl_transaction!
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def change
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# Add composite index to optimize notification count queries
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# This covers the common query pattern: WHERE user_id = ? AND account_id = ? AND snoozed_until IS NULL AND read_at IS NULL
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add_index :notifications, [:user_id, :account_id, :snoozed_until, :read_at],
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name: 'idx_notifications_performance',
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algorithm: :concurrently
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end
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end
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