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# frozen_string_literal: true
class ReplaceOldFkPCiRunnerMachineBuildsToBuilds < Gitlab::Database::Migration[2.1]
include Gitlab::Database::PartitioningMigrationHelpers
include Gitlab::Database::MigrationHelpers::WraparoundAutovacuum
disable_ddl_transaction!
def up
return unless should_run?
return if new_foreign_key_exists?
with_lock_retries do
remove_foreign_key_if_exists :p_ci_runner_machine_builds, :ci_builds,
name: :fk_bb490f12fe_p, reverse_lock_order: true
rename_constraint :p_ci_runner_machine_builds, :temp_fk_bb490f12fe_p, :fk_bb490f12fe_p
Gitlab::Database::PostgresPartitionedTable.each_partition(:p_ci_runner_machine_builds) do |partition|
rename_constraint partition.identifier, :temp_fk_bb490f12fe_p, :fk_bb490f12fe_p
end
end
end
def down
return unless should_run?
return unless new_foreign_key_exists?
add_concurrent_partitioned_foreign_key :p_ci_runner_machine_builds, :ci_builds,
name: :temp_fk_bb490f12fe_p,
column: [:partition_id, :build_id],
target_column: [:partition_id, :id],
on_update: :cascade,
on_delete: :cascade,
validate: true,
reverse_lock_order: true
switch_constraint_names :p_ci_runner_machine_builds, :fk_bb490f12fe_p, :temp_fk_bb490f12fe_p
Gitlab::Database::PostgresPartitionedTable.each_partition(:p_ci_runner_machine_builds) do |partition|
switch_constraint_names partition.identifier, :fk_bb490f12fe_p, :temp_fk_bb490f12fe_p
end
end
private
def should_run?
can_execute_on?(:ci_builds)
end
def new_foreign_key_exists?
foreign_key_exists?(:p_ci_runner_machine_builds, :p_ci_builds, name: :fk_bb490f12fe_p)
end
end
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