On Tue, 5 May 2020 at 13:05, pinker <pinker@onet.eu> 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