Alexander Lakhin <exclusion(at)gmail(dot)com> writes:
> I continue watching the array handling bugs dancing Sirtaki too. Now it's
> another asymmetry:
> select '{{1},{{2}}}'::int[];
> {{{1}},{{2}}}
> but:
> select '{{{1}},{2}}'::int[];
> {}
For the sake of the archives --- this issue in the core code
is being tracked at
https://www.postgresql.org/message-id/2794005.1683042087%40sss.pgh.pa.us
I think all the reported issues in plperl and plpython are resolved now.
regards, tom lane