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# db/migrate/[timestamp]_add_status_stat_foreign_key.rb
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class AddStatusStatForeignKey < ActiveRecord::Migration[8.0]
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disable_ddl_transaction!
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def up
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add_foreign_key :statuses, :status_stats,
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validate: false # Important for large tables
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# Validate in background
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execute("ALTER TABLE statuses VALIDATE CONSTRAINT fk_rails_[constraint_name]")
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end
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def down
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remove_foreign_key :statuses, :status_stats
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end
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end
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