On Wed, 2010-07-28 at 14:50 -0400, Robert Haas wrote:
> It seems like if log_newpage() were to set the LSN/TLI before calling
> XLogInsert() - or optionally not - then it wouldn't be necessary to
> set them also in heap_xlog_newpage(); the memcpy operation would by
> definition have copied the right information onto the page. That
> seems like it would be a cleaner design, but back-patching a change to
> the interpretation of WAL records that might already be on someone's
> disk seems dicey at best.
How do you set the LSN before XLogInsert()?
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