paul cannon 6231842422 private/dbutil: add WithTx transaction helpers ... These helpers will work similar to the WithTx method we have added to our dbx.DB instances, but it will use crdb.ExecuteTx or crdb.ExecuteInTx when the backend is CockroachDB, so that transactions are retried correctly. Anything that uses transactions and might need to work against CockroachDB needs to handle "RetriableError" from cockroachdb by restarting the transaction. This will probably be a large pain if not using these helpers or something very like them. Subsequent changes will undertake transforming all db-transaction uses in satellite code so that they are cockroach-safe. Change-Id: I648b8de2168612c67b9d6eb8402bccf8286249a9		2020-01-06 20:06:45 +00:00
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transactions.go	private/dbutil: add WithTx transaction helpers	2020-01-06 20:06:45 +00:00