|From:||Andrew Dunstan <andrew(at)dunslane(dot)net>|
|To:||Justin Pryzby <pryzby(at)telsasoft(dot)com>, Jacob Champion <pchampion(at)vmware(dot)com>|
|Cc:||tgl(at)sss(dot)pgh(dot)pa(dot)us, peter(dot)eisentraut(at)enterprisedb(dot)com, pgsql-hackers(at)lists(dot)postgresql(dot)org, buschmann(at)nidsa(dot)net, noah(at)leadboat(dot)com, tomas(dot)vondra(at)2ndquadrant(dot)com, bruce(at)momjian(dot)us, andres(at)anarazel(dot)de|
|Subject:||Re: pg_upgrade test for binary compatibility of core data types|
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On 9/15/21 3:28 PM, Andrew Dunstan wrote:
> On 9/13/21 9:20 AM, Andrew Dunstan wrote:
>> On 9/12/21 2:41 PM, Andrew Dunstan wrote:
>>> On 9/11/21 8:51 PM, Justin Pryzby wrote:
>>>> @Andrew: did you have any comment on this part ?
>>>> |Subject: buildfarm xversion diff
>>>> |Forking https://www.postgresql.org/message-id/20210328231433.GI15100@telsasoft.com
>>>> |I gave suggestion how to reduce the "lines of diff" metric almost to nothing,
>>>> |allowing a very small "fudge factor", and which I think makes this a pretty
>>>> |good metric rather than a passable one.
>>> Somehow I missed that. Looks like some good suggestions. I'll
>>> experiment. (Note: we can't assume the presence of sed, especially on
>> I tried with the attached patch on crake, which tests back as far as
>> 9.2. Here are the diff counts from HEAD:
>> andrew(at)emma:HEAD $ grep -c '^[+-]' dumpdiff-REL9_* dumpdiff-REL_1*
>> I've also attached those non-empty dumpdiff files for information, since
>> they are quite small.
>> There is still work to do, but this is promising. Next step: try it on
> It appears to do the right thing on Windows. yay!
> We probably need to get smarter about the heuristics, though, e.g. by
> taking into account the buildfarm options and the platform. It would
> also help a lot if we could make vcregress.pl honor USE_MODULE_DB.
> That's on my TODO list, but it just got a lot higher priority.
Here's what I've committed:
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