30.03.2017 19:49, Robert Haas:
On Thu, Mar 30, 2017 at 11:26 AM, Teodor Sigaev <teo...@sigaev.ru> wrote:
I had a look on patch and played with it, seems, it looks fine. I splitted
it to two patches: core changes (+bloom index fix) and btree itself. All
docs are left in first patch - I'm too lazy to rewrite documentation which
is changed in second patch.
Any objection from reviewers to push both patches?
Has this really had enough review and testing? The last time it was
pushed, it didn't go too well. And laziness is not a very good excuse
for not dividing up patches properly.
I don't know how can we estimate the quality of the review or testing.
The patch was reviewed by many people.
Here are those who marked themselves as reviewers on this and previous
committfests: Stephen Frost (sfrost), Andrew Dunstan (adunstan),
Aleksander Alekseev (a.alekseev), Amit Kapila (amitkapila), Andrey
Borodin (x4m), Peter Geoghegan (pgeoghegan), David Rowley (davidrowley).
For me it looks serious enough. These people, as well as many others,
shared their thoughts on this topic and pointed out various mistakes.
I fixed all the issues as soon as I could. And I'm not going to
disappear when it will be committed. Personally, I always thought that
we have Alpha and Beta releases for integration testing.
Speaking of the feature itself, it is included into our fork of
PostgreSQL 9.6 since it was released.
And as far as I know, there were no complaints from users. It makes me
believe that there are no critical bugs there.
While there may be conflicts with some other features of v10.0.
What makes you think so? CheckIndexCompatible() only cares about
possible opclasses' changes.
For covering indexes opclasses are only applicable to indnkeyatts. And
that is exactly what was changed in this patch.
It seems highly surprising to me that CheckIndexCompatible() only gets
a one line change in this patch. That seems unlikely to be correct.
Do you think it needs some other changes?
Good point. I missed this feature, I wish someone mentioned this issue a
Has anybody done some testing of this patch with the WAL consistency
checker? Like, create some tables with indexes that have INCLUDE
columns, set up a standby, enable consistency checking, pound the
master, and see if the standby bails?
And as Alexander's test shows there is some problem with my patch, indeed.
I'll fix it and send updated patch.
Yes, it breaks amcheck. Amcheck should be patched in order to work with
Has anybody tested this patch with amcheck? Does it break amcheck?
We've discussed it with Peter before and I even wrote small patch.
I'll attach it in the following message.
A few minor comments:
- foreach(lc, constraint->keys)
+ else foreach(lc, constraint->keys)
That doesn't look like a reasonable way of formatting the code.
+ /* Here is some code duplication. But we do need it. */
That is not a very informative comment.
+ * NOTE It is not crutial for reliability in present,
Will be fixed as well.
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