Re: [HACKERS] MERGE SQL Statement for PG11

On 2018/03/23 3:42, Pavan Deolasee wrote:
> A slightly improved version attached. Apart from doc cleanup based on
> earlier feedback, fixed one assertion failure based on Rahila's report.
> This was happening when target relation is referenced in the source
> subquery. Fixed that and added a test case to test that situation.
>
> Rebased on current master.

I tried these patches (applied 0002 on top of 0001). When applying 0002,
I got some apply errors:

The next patch would create the file
src/test/isolation/expected/merge-delete.out,
which already exists! Assume -R? [n]

I managed to apply it by ignoring the errors, but couldn't get make check
to pass; attached regressions.diffs if you want to take a look.

Btw, is 0001 redundant with the latest patch on ON CONFLICT DO UPDATE
thread? Can I apply just 0002 on top of that patch? So, I tried that --
that is, skipped your 0001 and instead applied ON CONFLICT DO UPDATE
patch, and then applied your 0002. I had to fix a couple of places to get
MERGE working correctly for partitioned tables; attached find a delta
patch for the fixes I made, which were needed because I skipped 0001 in
favor of the ON CONFLICT DO UPDATE patch. But the regression test failure
I mentioned above didn't go away, so it seems to have nothing to do with
partitioning.

Thanks,
Amit