1-- 2-- num_nulls() 3-- 4 5SELECT num_nonnulls(NULL); 6SELECT num_nonnulls('1'); 7SELECT num_nonnulls(NULL::text); 8SELECT num_nonnulls(NULL::text, NULL::int); 9SELECT num_nonnulls(1, 2, NULL::text, NULL::point, '', int8 '9', 1.0 / NULL); 10SELECT num_nonnulls(VARIADIC '{1,2,NULL,3}'::int[]); 11SELECT num_nonnulls(VARIADIC '{"1","2","3","4"}'::text[]); 12SELECT num_nonnulls(VARIADIC ARRAY(SELECT CASE WHEN i <> 40 THEN i END FROM generate_series(1, 100) i)); 13 14SELECT num_nulls(NULL); 15SELECT num_nulls('1'); 16SELECT num_nulls(NULL::text); 17SELECT num_nulls(NULL::text, NULL::int); 18SELECT num_nulls(1, 2, NULL::text, NULL::point, '', int8 '9', 1.0 / NULL); 19SELECT num_nulls(VARIADIC '{1,2,NULL,3}'::int[]); 20SELECT num_nulls(VARIADIC '{"1","2","3","4"}'::text[]); 21SELECT num_nulls(VARIADIC ARRAY(SELECT CASE WHEN i <> 40 THEN i END FROM generate_series(1, 100) i)); 22 23-- special cases 24SELECT num_nonnulls(VARIADIC NULL::text[]); 25SELECT num_nonnulls(VARIADIC '{}'::int[]); 26SELECT num_nulls(VARIADIC NULL::text[]); 27SELECT num_nulls(VARIADIC '{}'::int[]); 28 29-- should fail, one or more arguments is required 30SELECT num_nonnulls(); 31SELECT num_nulls(); 32 33-- 34-- Test some built-in SRFs 35-- 36-- The outputs of these are variable, so we can't just print their results 37-- directly, but we can at least verify that the code doesn't fail. 38-- 39select setting as segsize 40from pg_settings where name = 'wal_segment_size' 41\gset 42 43select count(*) > 0 as ok from pg_ls_waldir(); 44-- Test ProjectSet as well as FunctionScan 45select count(*) > 0 as ok from (select pg_ls_waldir()) ss; 46-- Test not-run-to-completion cases. 47select * from pg_ls_waldir() limit 0; 48select count(*) > 0 as ok from (select * from pg_ls_waldir() limit 1) ss; 49select (w).size = :segsize as ok 50from (select pg_ls_waldir() w) ss where length((w).name) = 24 limit 1; 51 52select * from (select pg_ls_dir('.') a) a where a = 'base' limit 1; 53 54select * from (select (pg_timezone_names()).name) ptn where name='UTC' limit 1; 55 56select count(*) > 0 from 57 (select pg_tablespace_databases(oid) as pts from pg_tablespace 58 where spcname = 'pg_default') pts 59 join pg_database db on pts.pts = db.oid; 60