Hi Rushabh,

While testing latest v2 patch, I got a crash when using
--load-via-partition-root with --schema options. Below are steps to
reproduce.

--create below test data
create schema a;
create schema b;
create schema c;

create table t1 (a int,b text) partition by list(a);
create table a.t1_p1 partition of t1 FOR VALUES in (1,2,3,4) partition by
list(a);
create table b.t1_p1_p1 partition of a.t1_p1 FOR VALUES in (1,2);
create table c.t1_p1_p2 partition of a.t1_p1 FOR VALUES in (3,4);
create table b.t1_p2 partition of t1 FOR VALUES in (5,6,7,8) partition by
list(a);
create table a.t1_p2_p1 partition of b.t1_p2 FOR VALUES in (5,6);
create table t1_p2_p2 partition of b.t1_p2 FOR VALUES in (7,8);

insert into t1 values (8,'t1');
insert into a.t1_p1 values (2,'a.t1_p1');
insert into b.t1_p1_p1 values (1,'b.t1_p1_p1');
insert into c.t1_p1_p2 values (3,'c.t1_p1_p2');
insert into b.t1_p2 values (6,'b.t1_p2');
insert into a.t1_p2_p1 values (5,'a.t1_p2_p1');
insert into t1_p2_p2 values (7,'t1_p2_p1');
insert into t1 values (4 ,'t1');

--trying to take pg_dump
[edb@localhost bin]$ ./pg_dump -d postgres --schema=a -f d1.dump -Fp
[edb@localhost bin]$ ./pg_dump -d postgres --load-via-partition-root -f
d2.dump -Fp
[edb@localhost bin]$ ./pg_dump -d postgres --load-via-partition-root
--schema=a -f d3.dump -Fp
pg_dump: pg_dump.c:2063: getRootTableInfo: Assertion `tbinfo->numParents ==
1' failed.
Aborted (core dumped)



Thanks & Regards,
Rajkumar Raghuwanshi
QMG, EnterpriseDB Corporation

On Fri, Aug 4, 2017 at 3:01 PM, Rushabh Lathia <rushabh.lat...@gmail.com>
wrote:

>
> Here is an update patch,  now renamed the switch to
> --load-via-partition-root
> and also added the documentation for the new switch into pg_dump as well
> as pg_dumpall.
>
>
> On Fri, Aug 4, 2017 at 7:13 AM, Amit Langote <
> langote_amit...@lab.ntt.co.jp> wrote:
>
>> On 2017/08/04 1:08, David G. Johnston wrote:
>> > On Thu, Aug 3, 2017 at 8:53 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> >
>> >> Robert Haas <robertmh...@gmail.com> writes:
>> >>> So maybe --load-via-partition-root if nobody likes my previous
>> >>> suggestion of --partition-data-via-root ?
>> >>
>> >> WFM.
>> >>
>> >
>> > ‚Äč+1
>>
>> +1.
>>
>> Thanks,
>> Amit
>>
>>
>
>
> Thanks,
> Rushabh Lathia
> www.EnterpriseDB.com
>
>
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