1 CREATE EXTENSION pageinspect;
2 CREATE TABLE test1 (a int, b int);
3 INSERT INTO test1 VALUES (16777217, 131584);
4 VACUUM test1; -- set up FSM
5 -- The page contents can vary, so just test that it can be read
6 -- successfully, but don't keep the output.
7 SELECT octet_length(get_raw_page('test1', 'main', 0)) AS main_0;
13 SELECT octet_length(get_raw_page('test1', 'main', 1)) AS main_1;
14 ERROR: block number 1 is out of range for relation "test1"
15 SELECT octet_length(get_raw_page('test1', 'fsm', 0)) AS fsm_0;
21 SELECT octet_length(get_raw_page('test1', 'fsm', 1)) AS fsm_1;
27 SELECT octet_length(get_raw_page('test1', 'vm', 0)) AS vm_0;
33 SELECT octet_length(get_raw_page('test1', 'vm', 1)) AS vm_1;
34 ERROR: block number 1 is out of range for relation "test1"
35 SELECT octet_length(get_raw_page('xxx', 'main', 0));
36 ERROR: relation "xxx" does not exist
37 SELECT octet_length(get_raw_page('test1', 'xxx', 0));
38 ERROR: invalid fork name
39 HINT: Valid fork names are "main", "fsm", "vm", and "init".
40 SELECT get_raw_page('test1', 0) = get_raw_page('test1', 'main', 0);
46 SELECT pagesize, version FROM page_header(get_raw_page('test1', 0));
52 SELECT page_checksum(get_raw_page('test1', 0), 0) IS NOT NULL AS silly_checksum_test;
58 SELECT tuple_data_split('test1'::regclass, t_data, t_infomask, t_infomask2, t_bits)
59 FROM heap_page_items(get_raw_page('test1', 0));
61 -------------------------------
62 {"\\x01000001","\\x00020200"}
65 SELECT * FROM fsm_page_contents(get_raw_page('test1', 'fsm', 0));
86 -- check that using any of these functions with a partitioned table or index
88 create table test_partitioned (a int) partition by range (a);
89 create index test_partitioned_index on test_partitioned (a);
90 select get_raw_page('test_partitioned', 0); -- error about partitioned table
91 ERROR: cannot get raw page from partitioned table "test_partitioned"
92 select get_raw_page('test_partitioned_index', 0); -- error about partitioned index
93 ERROR: cannot get raw page from partitioned index "test_partitioned_index"
94 -- a regular table which is a member of a partition set should work though
95 create table test_part1 partition of test_partitioned for values from ( 1 ) to (100);
96 select get_raw_page('test_part1', 0); -- get farther and error about empty table
97 ERROR: block number 0 is out of range for relation "test_part1"
98 drop table test_partitioned;
99 -- check null bitmap alignment for table whose number of attributes is multiple of 8
100 create table test8 (f1 int, f2 int, f3 int, f4 int, f5 int, f6 int, f7 int, f8 int);
101 insert into test8(f1, f8) values (x'7f00007f'::int, 0);
102 select t_bits, t_data from heap_page_items(get_raw_page('test8', 0));
104 ----------+--------------------
105 10000001 | \x7f00007f00000000
108 select tuple_data_split('test8'::regclass, t_data, t_infomask, t_infomask2, t_bits)
109 from heap_page_items(get_raw_page('test8', 0));
111 -------------------------------------------------------------
112 {"\\x7f00007f",NULL,NULL,NULL,NULL,NULL,NULL,"\\x00000000"}