CREATE EXTENSION pgstattuple; -- -- It's difficult to come up with platform-independent test cases for -- the pgstattuple functions, but the results for empty tables and -- indexes should be that. -- create table test (a int primary key, b int[]); select * from pgstattuple('test'); select * from pgstattuple('test'::text); select * from pgstattuple('test'::name); select * from pgstattuple('test'::regclass); select pgstattuple(oid) from pg_class where relname = 'test'; select pgstattuple(relname) from pg_class where relname = 'test'; select * from pgstatindex('test_pkey'); select * from pgstatindex('test_pkey'::text); select * from pgstatindex('test_pkey'::name); select * from pgstatindex('test_pkey'::regclass); select pgstatindex(oid) from pg_class where relname = 'test_pkey'; select pgstatindex(relname) from pg_class where relname = 'test_pkey'; select pg_relpages('test'); select pg_relpages('test_pkey'); select pg_relpages('test_pkey'::text); select pg_relpages('test_pkey'::name); select pg_relpages('test_pkey'::regclass); select pg_relpages(oid) from pg_class where relname = 'test_pkey'; select pg_relpages(relname) from pg_class where relname = 'test_pkey'; create index test_ginidx on test using gin (b); select * from pgstatginindex('test_ginidx');