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# frozen_string_literal: true
class DropRunnerMachinesConstraintOnCiBuildsMetadata < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
SOURCE_TABLE_NAME = 'p_ci_builds_metadata'
TARGET_TABLE_NAME = 'ci_runner_machines'
CONSTRAINT_NAME = 'fk_rails_fae01b2700'
def up
with_lock_retries(raise_on_exhaustion: true) do
remove_foreign_key_if_exists(SOURCE_TABLE_NAME, TARGET_TABLE_NAME, name: CONSTRAINT_NAME)
end
end
def down
with_lock_retries(raise_on_exhaustion: true) do
next if check_constraint_exists?(SOURCE_TABLE_NAME, CONSTRAINT_NAME)
execute(<<~SQL)
ALTER TABLE #{SOURCE_TABLE_NAME}
ADD CONSTRAINT #{CONSTRAINT_NAME} FOREIGN KEY (runner_machine_id)
REFERENCES #{TARGET_TABLE_NAME}(id) ON DELETE SET NULL
SQL
end
end
end
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