--
-- PG18
--
SHOW server_version \gset
SELECT substring(:'server_version', '\d+')::int >= 18 AS server_version_ge_18
\gset
-- test invalid statistics
-- behavior is same among PG versions, error message differs
-- relevant PG18 commit: 3eea4dc2c7
CREATE STATISTICS tst ON a FROM (VALUES (x)) AS foo;
ERROR:  only a single relation is allowed in CREATE STATISTICS
\if :server_version_ge_18
\else
\q