On Sun, Jun 5, 2016 at 11:01 PM, Andreas Seltenreich <seltenre...@gmx.de> wrote:
> Creating some foreign tables via postgres_fdw in the regression db of
> master as of de33af8, sqlsmith triggers the following assertion:
>
> TRAP: FailedAssertion("!(((((const Node*)(var))->type) == T_Var))", File:
> "deparse.c", Line: 1116)
>
> gdb says var is holding a T_PlaceHolderVar instead. In a build without
> assertions, it leads to an error later:
>
> ERROR: cache lookup failed for type 0
>
> Recipe:
>
> --8<---------------cut here---------------start------------->8---
> create extension postgres_fdw;
> create server myself foreign data wrapper postgres_fdw;
> create schema fdw_postgres;
> create user mapping for public server myself options (user :'USER');
> import foreign schema public from server myself into fdw_postgres;
> select subq_0.c0 as c0 from
> (select 31 as c0 from fdw_postgres.a as ref_0
> where 93 >= ref_0.aa) as subq_0
> right join fdw_postgres.rtest_vview5 as ref_1
> on (subq_0.c0 = ref_1.a )
> where 92 = subq_0.c0;
> --8<---------------cut here---------------end--------------->8---
Open item for 9.6 added.
--
Michael
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