On Sat, Jun 11, 2016 at 5:00 PM, Robert Haas <robertmh...@gmail.com> wrote: >> How about changing the return tuple of heap_prepare_freeze_tuple to >> a bitmap? Two flags: "Freeze [not] done" and "[No] more freezing >> needed" > > Yes, I think something like that sounds about right.
Here's a patch. I took the approach of adding a separate bool out parameter instead. I am also attaching an update of the check-visibility patch which responds to assorted review comments and adjusting it for the problems found on Friday which could otherwise lead to false positives. I'm still getting occasional TIDs from the pg_check_visible() function during pgbench runs, though, so evidently not all is well with the world. (Official status update: I'm hoping that senior hackers will carefully review these patches for defects. If they do not, I plan to commit the patches anyway neither less than 48 nor more than 60 hours from now after re-reviewing them myself.) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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