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# frozen_string_literal: true
class BackfillMlCandidatesPackageId < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
restrict_gitlab_migration gitlab_schema: :gitlab_main
def up
sql = <<-SQL
UPDATE ml_candidates
SET package_id = candidate_id_to_package_id.package_id
FROM (SELECT id as package_id, TRIM(LEADING 'ml_candidates_' FROM name) as candidate_id
FROM packages_packages
WHERE name LIKE 'ml_candidate_%'
and version = '-') AS candidate_id_to_package_id
WHERE cast(ml_candidates.id as text) = candidate_id_to_package_id.candidate_id
SQL
execute(sql)
end
def down; end
end
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