The comment was apparently copy-and-pasted and did not reflect the
actual test outcome.
CREATE STATISTICS alt_stat2 ON a, b FROM alt_regress_1;
ALTER STATISTICS alt_stat1 RENAME TO alt_stat2; -- failed (name conflict)
ERROR: statistics object "alt_stat2" already exists in schema "alt_nsp1"
-ALTER STATISTICS alt_stat1 RENAME TO alt_stat3; -- failed (name conflict)
+ALTER STATISTICS alt_stat1 RENAME TO alt_stat3; -- OK
ALTER STATISTICS alt_stat2 OWNER TO regress_alter_generic_user2; -- failed (no role membership)
ERROR: must be member of role "regress_alter_generic_user2"
ALTER STATISTICS alt_stat2 OWNER TO regress_alter_generic_user3; -- OK
CREATE STATISTICS alt_stat2 ON a, b FROM alt_regress_1;
ALTER STATISTICS alt_stat1 RENAME TO alt_stat2; -- failed (name conflict)
-ALTER STATISTICS alt_stat1 RENAME TO alt_stat3; -- failed (name conflict)
+ALTER STATISTICS alt_stat1 RENAME TO alt_stat3; -- OK
ALTER STATISTICS alt_stat2 OWNER TO regress_alter_generic_user2; -- failed (no role membership)
ALTER STATISTICS alt_stat2 OWNER TO regress_alter_generic_user3; -- OK
ALTER STATISTICS alt_stat2 SET SCHEMA alt_nsp2; -- OK