Re: [HACKERS] PATCH: multivariate histograms and MCV lists

> On Dec 19, 2017, at 4:31 PM, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
>
> Hi,
>
> On 12/19/2017 08:17 PM, Mark Dilger wrote:
>>
>> I tested your latest patches on my mac os x laptop and got one test
>> failure due to the results of 'explain' coming up differently. For the record,
>> I followed these steps:
>>
>> cd postgresql/
>> git pull
>> # this got my directory up to 8526bcb2df76d5171b4f4d6dc7a97560a73a5eff with no local changes
>> patch -p 1 < ../0001-multivariate-MCV-lists.patch
>> patch -p 1 < ../0002-multivariate-histograms.patch
>> ./configure --prefix=/Users/mark/master/testinstall --enable-cassert --enable-tap-tests --enable-depend && make -j4 && make check-world
>>
>
> Yeah, those steps sounds about right.
>
> Apparently this got broken by ecc27d55f4, although I don't quite
> understand why - but it works fine before. Can you try if it works fine
> on 9f4992e2a9 and fails with ecc27d55f4?

It succeeds with 9f4992e2a9. It fails with ecc27d55f4. The failures look
to be the same as I reported previously.

mark