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CREATE EXTENSION pageinspect;
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- CREATE TABLE test_rel_forks (a int);
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- -- Make sure there are enough blocks in the heap for the FSM to be created.
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- INSERT INTO test_rel_forks SELECT i from generate_series(1,1000) i;
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- -- set up FSM and VM
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- VACUUM test_rel_forks;
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+ CREATE TABLE test1 (a int, b int);
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+ INSERT INTO test1 VALUES (16777217, 131584);
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+ VACUUM test1; -- set up FSM
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-- The page contents can vary, so just test that it can be read
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-- successfully, but don't keep the output.
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- SELECT octet_length(get_raw_page('test_rel_forks ', 'main', 0)) AS main_0;
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+ SELECT octet_length(get_raw_page('test1 ', 'main', 0)) AS main_0;
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main_0
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--------
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8192
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(1 row)
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- SELECT octet_length(get_raw_page('test_rel_forks ', 'main', 100 )) AS main_100 ;
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- ERROR: block number 100 is out of range for relation "test_rel_forks "
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- SELECT octet_length(get_raw_page('test_rel_forks ', 'fsm', 0)) AS fsm_0;
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+ SELECT octet_length(get_raw_page('test1 ', 'main', 1 )) AS main_1 ;
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+ ERROR: block number 1 is out of range for relation "test1 "
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+ SELECT octet_length(get_raw_page('test1 ', 'fsm', 0)) AS fsm_0;
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fsm_0
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-------
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8192
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(1 row)
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- SELECT octet_length(get_raw_page('test_rel_forks', 'fsm', 10)) AS fsm_10;
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- ERROR: block number 10 is out of range for relation "test_rel_forks"
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- SELECT octet_length(get_raw_page('test_rel_forks', 'vm', 0)) AS vm_0;
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+ SELECT octet_length(get_raw_page('test1', 'fsm', 1)) AS fsm_1;
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+ fsm_1
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+ -------
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+ 8192
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+ (1 row)
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+
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+ SELECT octet_length(get_raw_page('test1', 'vm', 0)) AS vm_0;
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vm_0
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------
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8192
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(1 row)
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- SELECT octet_length(get_raw_page('test_rel_forks ', 'vm', 1)) AS vm_1;
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- ERROR: block number 1 is out of range for relation "test_rel_forks "
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+ SELECT octet_length(get_raw_page('test1 ', 'vm', 1)) AS vm_1;
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+ ERROR: block number 1 is out of range for relation "test1 "
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SELECT octet_length(get_raw_page('xxx', 'main', 0));
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ERROR: relation "xxx" does not exist
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- SELECT octet_length(get_raw_page('test_rel_forks ', 'xxx', 0));
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+ SELECT octet_length(get_raw_page('test1 ', 'xxx', 0));
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ERROR: invalid fork name
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HINT: Valid fork names are "main", "fsm", "vm", and "init".
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- SELECT * FROM fsm_page_contents(get_raw_page('test_rel_forks', 'fsm', 0));
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- fsm_page_contents
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- -------------------
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- 0: 147 +
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- 1: 147 +
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- 3: 147 +
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- 7: 147 +
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- 15: 147 +
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- 31: 147 +
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- 63: 147 +
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- 127: 147 +
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- 255: 147 +
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- 511: 147 +
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- 1023: 147 +
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- 2047: 147 +
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- 4095: 147 +
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- fp_next_slot: 0 +
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-
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- (1 row)
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-
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- SELECT get_raw_page('test_rel_forks', 0) = get_raw_page('test_rel_forks', 'main', 0);
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+ SELECT get_raw_page('test1', 0) = get_raw_page('test1', 'main', 0);
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?column?
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----------
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t
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(1 row)
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- DROP TABLE test_rel_forks;
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- CREATE TABLE test1 (a int, b int);
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- INSERT INTO test1 VALUES (16777217, 131584);
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SELECT pagesize, version FROM page_header(get_raw_page('test1', 0));
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pagesize | version
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----------+---------
@@ -83,6 +62,26 @@ SELECT tuple_data_split('test1'::regclass, t_data, t_infomask, t_infomask2, t_bi
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{"\\x01000001","\\x00020200"}
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(1 row)
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+ SELECT * FROM fsm_page_contents(get_raw_page('test1', 'fsm', 0));
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+ fsm_page_contents
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+ -------------------
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+ 0: 254 +
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+ 1: 254 +
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+ 3: 254 +
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+ 7: 254 +
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+ 15: 254 +
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+ 31: 254 +
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+ 63: 254 +
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+ 127: 254 +
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+ 255: 254 +
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+ 511: 254 +
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+ 1023: 254 +
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+ 2047: 254 +
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+ 4095: 254 +
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+ fp_next_slot: 0 +
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+
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+ (1 row)
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+
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DROP TABLE test1;
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-- check that using any of these functions with a partitioned table or index
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-- would fail
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