BUG #15283: Query Result equal 0 for partitioned table

The following bug has been logged on the website:

Bug reference:      15283
Logged by:          Suan Tay
Email address:      suan.tay@gmail.com
PostgreSQL version: 9.6.9
Operating system:   Ubuntu 16,17
Description:

Hello,
Result of data insertion is alway at 0 when the table is  partitionned.

I use Sorm as JPA in my Java App, it cacht the result and as it's equal to 0
it send to Error.
I solved this issue with SimpleORM but it's not the reel issue.

I also test the Postgresql 10.

Regards
ST