| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Nicolas Thauvin <nicolas(dot)thauvin(at)dalibo(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: segfault due to invalid cached plan |
| Date: | 2018-03-28 14:39:02 |
| Message-ID: | 20817.1522247942@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Nicolas Thauvin <nicolas(dot)thauvin(at)dalibo(dot)com> writes:
> A customer sent us a core dump of the crash of the background worker of
> the powa extension, running on 9.6.8 along side with cstore_fdw.
> The background worker loops on a plpgsql function, which then execute
> another plpgsql function that issues the query "TRUNCATE
> powa_statements_history_current".
I think the odds are very high that this is a cstore_fdw bug. The
core backend simply doesn't do anything very interesting with TRUNCATE.
regards, tom lane
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