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# frozen_string_literal: true
class MigrateDataFromWorkspacesUrlColumn < Gitlab::Database::Migration[2.2]
BATCH_SIZE = 500
DEFAULT_PORT = 60001
milestone '16.8'
disable_ddl_transaction!
restrict_gitlab_migration gitlab_schema: :gitlab_main
def up
each_batch_range('workspaces', scope: ->(table) { table.all }, of: BATCH_SIZE) do |min, max|
execute(<<~SQL)
UPDATE workspaces
SET url_prefix = CONCAT('#{DEFAULT_PORT}-', name),
dns_zone = remote_development_agent_configs.dns_zone,
url_query_string = CASE
WHEN POSITION('?' IN url) > 0
THEN SUBSTRING(url FROM POSITION('?' IN url) + 1)
ELSE ''
END
FROM
remote_development_agent_configs
WHERE
workspaces.cluster_agent_id = remote_development_agent_configs.cluster_agent_id
AND url IS NOT NULL
AND workspaces.id BETWEEN #{min} AND #{max}
SQL
execute(<<~SQL)
UPDATE workspaces
SET url = NULL
WHERE workspaces.id BETWEEN #{min} AND #{max}
AND url_prefix IS NOT NULL
AND dns_zone IS NOT NULL
AND url_query_string IS NOT NULL
SQL
end
end
def down
each_batch_range('workspaces', scope: ->(table) { table.all }, of: BATCH_SIZE) do |min, max|
execute(<<~SQL)
UPDATE workspaces
SET url = CONCAT(url_prefix, '.', dns_zone, '?', url_query_string)
WHERE workspaces.id BETWEEN #{min} AND #{max}
SQL
execute(<<~SQL)
UPDATE workspaces
SET url_prefix = NULL,
dns_zone = NULL,
url_query_string = NULL
WHERE workspaces.id BETWEEN #{min} AND #{max}
SQL
end
end
end
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