Re: Commit 4dba331cb3 broke ATTACH PARTITION behaviour. - Mailing list pgsql-hackers

From Amit Langote
Subject Re: Commit 4dba331cb3 broke ATTACH PARTITION behaviour.
Date
Msg-id 487870f2-d538-9d07-13e8-4ca390e27d18@lab.ntt.co.jp
Whole thread Raw
In response to Re: Commit 4dba331cb3 broke ATTACH PARTITION behaviour.  (Jeevan Ladhe <jeevan.ladhe@enterprisedb.com>)
Responses Re: Commit 4dba331cb3 broke ATTACH PARTITION behaviour.  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
List pgsql-hackers
Thanks Jeevan for reviewing.

On 2018/04/02 13:10, Jeevan Ladhe wrote:
> Hi,
> 
> I noticed that there were no tests covering this case causing 4dba331cb3
>> to not notice this failure in the first place.  I updated your patch to
>> add a few tests.  Also, I revised the comment changed by your patch a bit.
>>
> 
> 1. A minor typo:
> 
> +-- check that violating rows are correctly reported when attching as the
> s/attching/attaching

Oops, fixed.

> 2. I think following part of the test is already covered:
> 
> +-- trying to add a partition for 2 should fail because the default
> +-- partition contains a row that would violate its new constraint which
> +-- prevents rows containing 2
> +create table defpart_attach_test2 partition of defpart_attach_test for
> values in (2);
> +ERROR:  updated partition constraint for default partition
> "defpart_attach_test_d" would be violated by some row
> +drop table defpart_attach_test;
> 
> IIUC, the test in create_table covers the same scenario as of above:
> 
> -- check default partition overlap
> INSERT INTO list_parted2 VALUES('X');
> CREATE TABLE fail_part PARTITION OF list_parted2 FOR VALUES IN ('W', 'X',
> 'Y');
> ERROR:  updated partition constraint for default partition
> "list_parted2_def" would be violated by some row

Sorry, didn't realize that it was already covered in create_tabel.sql.
Removed this one.

Attached updated patch.  Adding this to the v11 open items list.

Thanks,
Amit

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