Nicolas Thauvin <nicolas.thau...@dalibo.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