ERROR: relation "test_partition" is not a GIN index

select pgstathashindex('test_partition');

ERROR: "test_partition" is not an index

-- an actual index of apartitiond table should work though

-- an actual index of apartitioned table should work though

create index test_partition_idx on test_partition(a);

create index test_partition_hash_idx on test_partition using hash (a);

WARNING: hash indexes are not WAL-logged and their use is discouraged

select pgstatginindex('test_partition');

select pgstathashindex('test_partition');

createindextest_partition_idxon test_partition(a);

createindextest_partition_hash_idxon test_partition using hash (a);