22 lines
717 B
Ruby
22 lines
717 B
Ruby
# frozen_string_literal: true
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class RemoveNamespacesApplicationSettingsInstanceAdministratorsGroupIdFk < Gitlab::Database::Migration[2.1]
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disable_ddl_transaction!
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def up
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return unless foreign_key_exists?(:application_settings, :namespaces, name: "fk_e8a145f3a7")
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with_lock_retries do
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execute('LOCK namespaces, application_settings IN ACCESS EXCLUSIVE MODE') if transaction_open?
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remove_foreign_key_if_exists(:application_settings, :namespaces, name: "fk_e8a145f3a7")
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end
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end
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def down
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add_concurrent_foreign_key(:application_settings, :namespaces,
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name: "fk_e8a145f3a7", column: :instance_administrators_group_id,
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target_column: :id, on_delete: :nullify)
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end
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end
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