statement error unknown variable: "foo"
RESET FOO

statement ok
SET SEARCH_PATH = foo

query T
SHOW SEARCH_PATH
----
pg_catalog, foo

statement ok
RESET SEARCH_PATH

query T
SHOW SEARCH_PATH
----
pg_catalog

statement error variable "server_version" cannot be reset
RESET SERVER_VERSION

# Lower case

statement ok
SET search_path = foo

query T
SHOW search_path
----
pg_catalog, foo

statement ok
RESET search_path

query T
SHOW search_path
----
pg_catalog

statement ok
RESET client_encoding; RESET NAMES
