On 2021-Oct-19, Tom Lane wrote:
> I tried doing this as a one-liner change in pg_regress's
> drop_database_if_exists(), but the idea fell over pretty
> quickly, because what underlies that is a "psql -c" call:
>
> $ psql -c 'set client_min_messages = warning; drop database if exists foo'
> ERROR: DROP DATABASE cannot run inside a transaction block
>
> We could dodge that, with modern versions of psql, by issuing
> two -c switches.
Isn't it easier to pass client_min_messages via PGOPTIONS?
PGOPTIONS="-c client_min_messages=warning" psql -c "drop database if exists foo"
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Álvaro Herrera 39°49'30"S 73°17'W — https://www.EnterpriseDB.com/