On Mon, Oct 28, 2019 at 9:48 AM Konstantin Knizhnik <k.knizh...@postgrespro.ru> wrote: > Logically it may be good decision. But piratically support of parallel > access to GTT requires just accessing their data through shared buffer. > But in case of local temp tables we need also need to some how share > table's metadata between parallel workers. It seems to be much more > complicated if ever possible.
Why? The backends all share a snapshot, and can load whatever they need from the system catalogs. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company