Re: Use generation memory context for tuplestore.c - Mailing list pgsql-hackers

On Fri, 5 Jul 2024 at 16:00, Alexander Lakhin <exclusion@gmail.com> wrote:
> Please look at a segfault crash introduced with 1eff8279d:
> CREATE TABLE t1(i int);
> CREATE TABLE t2(i int) PARTITION BY RANGE (i);
> CREATE TABLE t2p PARTITION OF t2 FOR VALUES FROM (1) TO (2);
>
> EXPLAIN ANALYZE SELECT * FROM t1 JOIN t2 ON t1.i > t2.i;
>
> Leads to:
> Core was generated by `postgres: law regression [local] EXPLAIN                                      '.
> Program terminated with signal SIGSEGV, Segmentation fault.
>
> #0  0x000055c36dbac2f7 in tuplestore_storage_type_name (state=0x0) at tuplestore.c:1476
> 1476            if (state->status == TSS_INMEM)

Thanks for the report. I've just pushed a fix in 53abb1e0e.

David