19 lines
517 B
Ruby
19 lines
517 B
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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# rubocop:disable RemoveIndex
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class AddIndexToParentId < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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add_concurrent_index(:namespaces, [:parent_id, :id], unique: true)
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end
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def down
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remove_index :namespaces, [:parent_id, :id] if index_exists? :namespaces, [:parent_id, :id]
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end
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end
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