On Tue, 5 May 2020 at 13:05, pinker <pinker@xxxxxxx> wrote: > I'm running standard pgbench and what's kinda strange copy pgbench_accounts > from stdin is blocking my other query which is \dt+. > Does copy hold any exclusive lock or there is something wrong with my > system? COPY does not. However, pgbench does TRUNCATE the tables before doing the COPY, so that'll be most likely what's causing your query to get blocked. David
