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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# This migration fixes the namespaces.name for all user-namespaces that have names
# that aren't equal to the users name.
# Then it uses the updated names of the namespaces to update the associated routes
# For more info see https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/23272
class FixUserNamespaceNames
def perform(from_id, to_id)
fix_namespace_names(from_id, to_id)
fix_namespace_route_names(from_id, to_id)
end
def fix_namespace_names(from_id, to_id)
ActiveRecord::Base.connection.execute <<~UPDATE_NAMESPACES
WITH namespaces_to_update AS (
SELECT
namespaces.id,
users.name AS correct_name
FROM
namespaces
INNER JOIN users ON namespaces.owner_id = users.id
WHERE
namespaces.type IS NULL
AND namespaces.id BETWEEN #{from_id} AND #{to_id}
AND namespaces.name != users.name
)
UPDATE
namespaces
SET
name = correct_name
FROM
namespaces_to_update
WHERE
namespaces.id = namespaces_to_update.id
UPDATE_NAMESPACES
end
def fix_namespace_route_names(from_id, to_id)
ActiveRecord::Base.connection.execute <<~ROUTES_UPDATE
WITH routes_to_update AS (
SELECT
routes.id,
users.name AS correct_name
FROM
routes
INNER JOIN namespaces ON routes.source_id = namespaces.id
INNER JOIN users ON namespaces.owner_id = users.id
WHERE
namespaces.type IS NULL
AND routes.source_type = 'Namespace'
AND namespaces.id BETWEEN #{from_id} AND #{to_id}
AND (routes.name != users.name OR routes.name IS NULL)
)
UPDATE
routes
SET
name = correct_name
FROM
routes_to_update
WHERE
routes_to_update.id = routes.id
ROUTES_UPDATE
end
end
end
end
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