20 lines
486 B
Ruby
20 lines
486 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 AddIndexToNoteDiscussionId < 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 :notes, :discussion_id
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end
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def down
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remove_index :notes, :discussion_id if index_exists? :notes, :discussion_id
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end
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end
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