=?UTF-8?Q?=C5=81ukasz_Jarych?= <jaryszek@gmail.com> writes:
> i want to report a bug.
This looks closely related to a bug that was fixed in 10.4.
What PG version are you on?
> Please read emails above.
It's fairly impolite to expect people to reverse-engineer a bug
description from a long and rather disjointed thread. In future,
please write a self-contained description, and include necessary
information such as your exact PG version.
https://wiki.postgresql.org/wiki/Guide_to_reporting_problems
regards, tom lane