40 lines
1.1 KiB
Ruby
40 lines
1.1 KiB
Ruby
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# This is part of a backport from EE group boards feature which a few extra steps
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# are required on this migration since it will be merged into EE which already
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# contains the group_id column.
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# like checking if the group_id column already exists before adding it.
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class AddGroupIdToBoards < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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DOWNTIME = false
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def up
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unless group_id_exists?
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add_column :boards, :group_id, :integer
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add_foreign_key :boards, :namespaces, column: :group_id, on_delete: :cascade
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add_concurrent_index :boards, :group_id
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change_column_null :boards, :project_id, true
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end
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end
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def down
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if group_id_exists?
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remove_foreign_key :boards, column: :group_id
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remove_index :boards, :group_id if index_exists? :boards, :group_id
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remove_column :boards, :group_id
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execute "DELETE from boards WHERE project_id IS NULL"
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change_column_null :boards, :project_id, false
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end
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end
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private
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def group_id_exists?
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column_exists?(:boards, :group_id)
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end
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end
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