Re: Patch for fail-back without fresh backup - Mailing list pgsql-hackers

On 2013-11-21 14:40:36 -0800, Jeff Janes wrote:
> But if the transaction would not have otherwise generated WAL (i.e. a
> select that did not have to do any HOT pruning, or an update with zero rows
> matching the where condition), doesn't it now have to flush and wait when
> it would otherwise not?

We short circuit that if there's no xid assigned. Check
RecordTransactionCommit().

Greetings,

Andres Freund

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