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# frozen_string_literal: true
class RemoveCiPipelinesMergeRequestsHeadPipelineIdFk < Gitlab::Database::Migration[1.0]
disable_ddl_transaction!
def up
with_lock_retries do
execute('LOCK ci_pipelines, merge_requests IN ACCESS EXCLUSIVE MODE')
remove_foreign_key_if_exists(:merge_requests, :ci_pipelines, name: "fk_fd82eae0b9")
end
end
def down
add_concurrent_foreign_key(:merge_requests, :ci_pipelines, name: "fk_fd82eae0b9", column: :head_pipeline_id, target_column: :id, on_delete: :nullify)
end
end
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