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# frozen_string_literal: true
class ReplaceOldFkCiJobArtifactsToBuildsV2 < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
def up
return if new_foreign_key_exists?
with_lock_retries do
remove_foreign_key_if_exists :ci_job_artifacts, :ci_builds,
name: :fk_rails_c5137cb2c1_p, reverse_lock_order: true
rename_constraint :ci_job_artifacts, :temp_fk_rails_c5137cb2c1_p, :fk_rails_c5137cb2c1_p
end
end
def down
return unless new_foreign_key_exists?
add_concurrent_foreign_key :ci_job_artifacts, :ci_builds,
name: :temp_fk_rails_c5137cb2c1_p,
column: [:partition_id, :job_id],
target_column: [:partition_id, :id],
on_update: :cascade,
on_delete: :cascade,
validate: true,
reverse_lock_order: true
switch_constraint_names :ci_job_artifacts, :fk_rails_c5137cb2c1_p, :temp_fk_rails_c5137cb2c1_p
end
private
def new_foreign_key_exists?
foreign_key_exists?(:ci_job_artifacts, :p_ci_builds, name: :fk_rails_c5137cb2c1_p)
end
end
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