diff options
Diffstat (limited to 'contrib/pageinspect/expected')
| -rw-r--r-- | contrib/pageinspect/expected/brin.out | 92 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/btree.out | 108 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/checksum.out | 40 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/checksum_1.out | 40 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/gin.out | 71 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/gist.out | 133 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/hash.out | 205 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/oldextversions.out | 56 | ||||
| -rw-r--r-- | contrib/pageinspect/expected/page.out | 241 |
9 files changed, 986 insertions, 0 deletions
diff --git a/contrib/pageinspect/expected/brin.out b/contrib/pageinspect/expected/brin.out new file mode 100644 index 0000000..e12fbeb --- /dev/null +++ b/contrib/pageinspect/expected/brin.out @@ -0,0 +1,92 @@ +CREATE TABLE test1 (a int, b text); +INSERT INTO test1 VALUES (1, 'one'); +CREATE INDEX test1_a_idx ON test1 USING brin (a); +SELECT brin_page_type(get_raw_page('test1_a_idx', 0)); + brin_page_type +---------------- + meta +(1 row) + +SELECT brin_page_type(get_raw_page('test1_a_idx', 1)); + brin_page_type +---------------- + revmap +(1 row) + +SELECT brin_page_type(get_raw_page('test1_a_idx', 2)); + brin_page_type +---------------- + regular +(1 row) + +SELECT * FROM brin_metapage_info(get_raw_page('test1_a_idx', 0)); + magic | version | pagesperrange | lastrevmappage +------------+---------+---------------+---------------- + 0xA8109CFA | 1 | 128 | 1 +(1 row) + +SELECT * FROM brin_metapage_info(get_raw_page('test1_a_idx', 1)); +ERROR: page is not a BRIN page of type "metapage" +DETAIL: Expected special type 0000f091, got 0000f092. +SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 0)) LIMIT 5; +ERROR: page is not a BRIN page of type "revmap" +DETAIL: Expected special type 0000f092, got 0000f091. +SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 1)) LIMIT 5; + pages +------- + (2,1) + (0,0) + (0,0) + (0,0) + (0,0) +(5 rows) + +SELECT * FROM brin_page_items(get_raw_page('test1_a_idx', 2), 'test1_a_idx') + ORDER BY blknum, attnum LIMIT 5; + itemoffset | blknum | attnum | allnulls | hasnulls | placeholder | value +------------+--------+--------+----------+----------+-------------+---------- + 1 | 0 | 1 | f | f | f | {1 .. 1} +(1 row) + +-- Mask DETAIL messages as these are not portable across architectures. +\set VERBOSITY terse +-- Failures for non-BRIN index. +CREATE INDEX test1_a_btree ON test1 (a); +SELECT brin_page_items(get_raw_page('test1_a_btree', 0), 'test1_a_btree'); +ERROR: "test1_a_btree" is not a BRIN index +SELECT brin_page_items(get_raw_page('test1_a_btree', 0), 'test1_a_idx'); +ERROR: input page is not a valid BRIN page +-- Invalid special area size +SELECT brin_page_type(get_raw_page('test1', 0)); +ERROR: input page is not a valid BRIN page +SELECT * FROM brin_metapage_info(get_raw_page('test1', 0)); +ERROR: input page is not a valid BRIN page +SELECT * FROM brin_revmap_data(get_raw_page('test1', 0)); +ERROR: input page is not a valid BRIN page +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT brin_page_type(decode(repeat('00', :block_size), 'hex')); + brin_page_type +---------------- + +(1 row) + +SELECT brin_page_items(decode(repeat('00', :block_size), 'hex'), 'test1_a_idx'); + brin_page_items +----------------- +(0 rows) + +SELECT brin_metapage_info(decode(repeat('00', :block_size), 'hex')); + brin_metapage_info +-------------------- + +(1 row) + +SELECT brin_revmap_data(decode(repeat('00', :block_size), 'hex')); + brin_revmap_data +------------------ + +(1 row) + +DROP TABLE test1; diff --git a/contrib/pageinspect/expected/btree.out b/contrib/pageinspect/expected/btree.out new file mode 100644 index 0000000..035a81a --- /dev/null +++ b/contrib/pageinspect/expected/btree.out @@ -0,0 +1,108 @@ +CREATE TABLE test1 (a int8, b int4range); +INSERT INTO test1 VALUES (72057594037927937, '[0,1)'); +CREATE INDEX test1_a_idx ON test1 USING btree (a); +\x +SELECT * FROM bt_metap('test1_a_idx'); +-[ RECORD 1 ]-------------+------- +magic | 340322 +version | 4 +root | 1 +level | 0 +fastroot | 1 +fastlevel | 0 +last_cleanup_num_delpages | 0 +last_cleanup_num_tuples | -1 +allequalimage | t + +SELECT * FROM bt_page_stats('test1_a_idx', -1); +ERROR: invalid block number +SELECT * FROM bt_page_stats('test1_a_idx', 0); +ERROR: block 0 is a meta page +SELECT * FROM bt_page_stats('test1_a_idx', 1); +-[ RECORD 1 ]-+----- +blkno | 1 +type | l +live_items | 1 +dead_items | 0 +avg_item_size | 16 +page_size | 8192 +free_size | 8128 +btpo_prev | 0 +btpo_next | 0 +btpo_level | 0 +btpo_flags | 3 + +SELECT * FROM bt_page_stats('test1_a_idx', 2); +ERROR: block number out of range +SELECT * FROM bt_page_items('test1_a_idx', -1); +ERROR: invalid block number +SELECT * FROM bt_page_items('test1_a_idx', 0); +ERROR: block 0 is a meta page +SELECT * FROM bt_page_items('test1_a_idx', 1); +-[ RECORD 1 ]----------------------- +itemoffset | 1 +ctid | (0,1) +itemlen | 16 +nulls | f +vars | f +data | 01 00 00 00 00 00 00 01 +dead | f +htid | (0,1) +tids | + +SELECT * FROM bt_page_items('test1_a_idx', 2); +ERROR: block number out of range +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', -1)); +ERROR: invalid block number +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 0)); +ERROR: block is a meta page +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 1)); +-[ RECORD 1 ]----------------------- +itemoffset | 1 +ctid | (0,1) +itemlen | 16 +nulls | f +vars | f +data | 01 00 00 00 00 00 00 01 +dead | f +htid | (0,1) +tids | + +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 2)); +ERROR: block number 2 is out of range for relation "test1_a_idx" +-- Failure when using a non-btree index. +CREATE INDEX test1_a_hash ON test1 USING hash(a); +SELECT bt_metap('test1_a_hash'); +ERROR: "test1_a_hash" is not a btree index +SELECT bt_page_stats('test1_a_hash', 0); +ERROR: "test1_a_hash" is not a btree index +SELECT bt_page_items('test1_a_hash', 0); +ERROR: "test1_a_hash" is not a btree index +SELECT bt_page_items(get_raw_page('test1_a_hash', 0)); +ERROR: block is a meta page +CREATE INDEX test1_b_gist ON test1 USING gist(b); +-- Special area of GiST is the same as btree, this complains about inconsistent +-- leaf data on the page. +SELECT bt_page_items(get_raw_page('test1_b_gist', 0)); +ERROR: block is not a valid btree leaf page +-- Several failure modes. +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes and architectures. +\set VERBOSITY terse +-- invalid page size +SELECT bt_page_items('aaa'::bytea); +ERROR: invalid page size +-- invalid special area size +CREATE INDEX test1_a_brin ON test1 USING brin(a); +SELECT bt_page_items(get_raw_page('test1', 0)); +ERROR: input page is not a valid btree page +SELECT bt_page_items(get_raw_page('test1_a_brin', 0)); +ERROR: input page is not a valid btree page +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT bt_page_items(decode(repeat('00', :block_size), 'hex')); +-[ RECORD 1 ]-+- +bt_page_items | + +DROP TABLE test1; diff --git a/contrib/pageinspect/expected/checksum.out b/contrib/pageinspect/expected/checksum.out new file mode 100644 index 0000000..a85388e --- /dev/null +++ b/contrib/pageinspect/expected/checksum.out @@ -0,0 +1,40 @@ +-- +-- Verify correct calculation of checksums +-- +-- Postgres' checksum algorithm produces different answers on little-endian +-- and big-endian machines. The results of this test also vary depending +-- on the configured block size. This test has several different expected +-- results files to handle the following possibilities: +-- +-- BLCKSZ end file +-- 8K LE checksum.out +-- 8K BE checksum_1.out +-- +-- In future we might provide additional expected-results files for other +-- block sizes, but there seems little point as long as so many other +-- test scripts also show false failures for non-default block sizes. +-- +-- This is to label the results files with blocksize: +SHOW block_size; + block_size +------------ + 8192 +(1 row) + +SHOW block_size \gset +-- Apply page_checksum() to some different data patterns and block numbers +SELECT blkno, + page_checksum(decode(repeat('01', :block_size), 'hex'), blkno) AS checksum_01, + page_checksum(decode(repeat('04', :block_size), 'hex'), blkno) AS checksum_04, + page_checksum(decode(repeat('ff', :block_size), 'hex'), blkno) AS checksum_ff, + page_checksum(decode(repeat('abcd', :block_size / 2), 'hex'), blkno) AS checksum_abcd, + page_checksum(decode(repeat('e6d6', :block_size / 2), 'hex'), blkno) AS checksum_e6d6, + page_checksum(decode(repeat('4a5e', :block_size / 2), 'hex'), blkno) AS checksum_4a5e + FROM generate_series(0, 100, 50) AS a (blkno); + blkno | checksum_01 | checksum_04 | checksum_ff | checksum_abcd | checksum_e6d6 | checksum_4a5e +-------+-------------+-------------+-------------+---------------+---------------+--------------- + 0 | 1175 | 28338 | 3612 | -30781 | -16269 | -27377 + 50 | 1225 | 28352 | 3598 | -30795 | -16251 | -27391 + 100 | 1139 | 28438 | 3648 | -30881 | -16305 | -27349 +(3 rows) + diff --git a/contrib/pageinspect/expected/checksum_1.out b/contrib/pageinspect/expected/checksum_1.out new file mode 100644 index 0000000..6fb1b1b --- /dev/null +++ b/contrib/pageinspect/expected/checksum_1.out @@ -0,0 +1,40 @@ +-- +-- Verify correct calculation of checksums +-- +-- Postgres' checksum algorithm produces different answers on little-endian +-- and big-endian machines. The results of this test also vary depending +-- on the configured block size. This test has several different expected +-- results files to handle the following possibilities: +-- +-- BLCKSZ end file +-- 8K LE checksum.out +-- 8K BE checksum_1.out +-- +-- In future we might provide additional expected-results files for other +-- block sizes, but there seems little point as long as so many other +-- test scripts also show false failures for non-default block sizes. +-- +-- This is to label the results files with blocksize: +SHOW block_size; + block_size +------------ + 8192 +(1 row) + +SHOW block_size \gset +-- Apply page_checksum() to some different data patterns and block numbers +SELECT blkno, + page_checksum(decode(repeat('01', :block_size), 'hex'), blkno) AS checksum_01, + page_checksum(decode(repeat('04', :block_size), 'hex'), blkno) AS checksum_04, + page_checksum(decode(repeat('ff', :block_size), 'hex'), blkno) AS checksum_ff, + page_checksum(decode(repeat('abcd', :block_size / 2), 'hex'), blkno) AS checksum_abcd, + page_checksum(decode(repeat('e6d6', :block_size / 2), 'hex'), blkno) AS checksum_e6d6, + page_checksum(decode(repeat('4a5e', :block_size / 2), 'hex'), blkno) AS checksum_4a5e + FROM generate_series(0, 100, 50) AS a (blkno); + blkno | checksum_01 | checksum_04 | checksum_ff | checksum_abcd | checksum_e6d6 | checksum_4a5e +-------+-------------+-------------+-------------+---------------+---------------+--------------- + 0 | -16327 | 8766 | -2722 | 13757 | -11485 | -31426 + 50 | -16281 | 8780 | -2708 | 13771 | -11503 | -31440 + 100 | -16235 | 8866 | -2758 | 13721 | -11577 | -31518 +(3 rows) + diff --git a/contrib/pageinspect/expected/gin.out b/contrib/pageinspect/expected/gin.out new file mode 100644 index 0000000..ff1da6a --- /dev/null +++ b/contrib/pageinspect/expected/gin.out @@ -0,0 +1,71 @@ +CREATE TABLE test1 (x int, y int[]); +INSERT INTO test1 VALUES (1, ARRAY[11, 111]); +CREATE INDEX test1_y_idx ON test1 USING gin (y) WITH (fastupdate = off); +\x +SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 0)); +-[ RECORD 1 ]----+----------- +pending_head | 4294967295 +pending_tail | 4294967295 +tail_free_size | 0 +n_pending_pages | 0 +n_pending_tuples | 0 +n_total_pages | 2 +n_entry_pages | 1 +n_data_pages | 0 +n_entries | 2 +version | 2 + +SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 1)); +ERROR: input page is not a GIN metapage +DETAIL: Flags 0002, expected 0008 +SELECT * FROM gin_page_opaque_info(get_raw_page('test1_y_idx', 1)); +-[ RECORD 1 ]--------- +rightlink | 4294967295 +maxoff | 0 +flags | {leaf} + +SELECT * FROM gin_leafpage_items(get_raw_page('test1_y_idx', 1)); +ERROR: input page is not a compressed GIN data leaf page +DETAIL: Flags 0002, expected 0083 +INSERT INTO test1 SELECT x, ARRAY[1,10] FROM generate_series(2,10000) x; +SELECT COUNT(*) > 0 +FROM gin_leafpage_items(get_raw_page('test1_y_idx', + (pg_relation_size('test1_y_idx') / + current_setting('block_size')::bigint)::int - 1)); +-[ RECORD 1 ] +?column? | t + +-- Failure with various modes. +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes and architectures. +\set VERBOSITY terse +-- invalid page size +SELECT gin_leafpage_items('aaa'::bytea); +ERROR: invalid page size +SELECT gin_metapage_info('bbb'::bytea); +ERROR: invalid page size +SELECT gin_page_opaque_info('ccc'::bytea); +ERROR: invalid page size +-- invalid special area size +SELECT * FROM gin_metapage_info(get_raw_page('test1', 0)); +ERROR: input page is not a valid GIN metapage +SELECT * FROM gin_page_opaque_info(get_raw_page('test1', 0)); +ERROR: input page is not a valid GIN data leaf page +SELECT * FROM gin_leafpage_items(get_raw_page('test1', 0)); +ERROR: input page is not a valid GIN data leaf page +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT gin_leafpage_items(decode(repeat('00', :block_size), 'hex')); +-[ RECORD 1 ]------+- +gin_leafpage_items | + +SELECT gin_metapage_info(decode(repeat('00', :block_size), 'hex')); +-[ RECORD 1 ]-----+- +gin_metapage_info | + +SELECT gin_page_opaque_info(decode(repeat('00', :block_size), 'hex')); +-[ RECORD 1 ]--------+- +gin_page_opaque_info | + +DROP TABLE test1; diff --git a/contrib/pageinspect/expected/gist.out b/contrib/pageinspect/expected/gist.out new file mode 100644 index 0000000..d1adbab --- /dev/null +++ b/contrib/pageinspect/expected/gist.out @@ -0,0 +1,133 @@ +-- The gist_page_opaque_info() function prints the page's LSN. Normally, +-- that's constant 1 (GistBuildLSN) on every page of a freshly built GiST +-- index. But with wal_level=minimal, the whole relation is dumped to WAL at +-- the end of the transaction if it's smaller than wal_skip_threshold, which +-- updates the LSNs. Wrap the tests on gist_page_opaque_info() in the +-- same transaction with the CREATE INDEX so that we see the LSNs before +-- they are possibly overwritten at end of transaction. +BEGIN; +-- Create a test table and GiST index. +CREATE TABLE test_gist AS SELECT point(i,i) p, i::text t FROM + generate_series(1,1000) i; +CREATE INDEX test_gist_idx ON test_gist USING gist (p); +-- Page 0 is the root, the rest are leaf pages +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 0)); + lsn | nsn | rightlink | flags +-----+-----+------------+------- + 0/1 | 0/0 | 4294967295 | {} +(1 row) + +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 1)); + lsn | nsn | rightlink | flags +-----+-----+------------+-------- + 0/1 | 0/0 | 4294967295 | {leaf} +(1 row) + +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 2)); + lsn | nsn | rightlink | flags +-----+-----+-----------+-------- + 0/1 | 0/0 | 1 | {leaf} +(1 row) + +COMMIT; +SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 0), 'test_gist_idx'); + itemoffset | ctid | itemlen | dead | keys +------------+-----------+---------+------+------------------------------- + 1 | (1,65535) | 40 | f | (p)=("(185,185),(1,1)") + 2 | (2,65535) | 40 | f | (p)=("(370,370),(186,186)") + 3 | (3,65535) | 40 | f | (p)=("(555,555),(371,371)") + 4 | (4,65535) | 40 | f | (p)=("(740,740),(556,556)") + 5 | (5,65535) | 40 | f | (p)=("(870,870),(741,741)") + 6 | (6,65535) | 40 | f | (p)=("(1000,1000),(871,871)") +(6 rows) + +SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 1), 'test_gist_idx') LIMIT 5; + itemoffset | ctid | itemlen | dead | keys +------------+-------+---------+------+--------------------- + 1 | (0,1) | 40 | f | (p)=("(1,1),(1,1)") + 2 | (0,2) | 40 | f | (p)=("(2,2),(2,2)") + 3 | (0,3) | 40 | f | (p)=("(3,3),(3,3)") + 4 | (0,4) | 40 | f | (p)=("(4,4),(4,4)") + 5 | (0,5) | 40 | f | (p)=("(5,5),(5,5)") +(5 rows) + +-- gist_page_items_bytea prints the raw key data as a bytea. The output of that is +-- platform-dependent (endianness), so omit the actual key data from the output. +SELECT itemoffset, ctid, itemlen FROM gist_page_items_bytea(get_raw_page('test_gist_idx', 0)); + itemoffset | ctid | itemlen +------------+-----------+--------- + 1 | (1,65535) | 40 + 2 | (2,65535) | 40 + 3 | (3,65535) | 40 + 4 | (4,65535) | 40 + 5 | (5,65535) | 40 + 6 | (6,65535) | 40 +(6 rows) + +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes and architectures. +\set VERBOSITY terse +-- Failures with non-GiST index. +CREATE INDEX test_gist_btree on test_gist(t); +SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_btree'); +ERROR: "test_gist_btree" is not a GiST index +SELECT gist_page_items(get_raw_page('test_gist_btree', 0), 'test_gist_idx'); +ERROR: input page is not a valid GiST page +-- Failure with various modes. +-- invalid page size +SELECT gist_page_items_bytea('aaa'::bytea); +ERROR: invalid page size +SELECT gist_page_items('aaa'::bytea, 'test_gist_idx'::regclass); +ERROR: invalid page size +SELECT gist_page_opaque_info('aaa'::bytea); +ERROR: invalid page size +-- invalid special area size +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist', 0)); +ERROR: input page is not a valid GiST page +SELECT gist_page_items_bytea(get_raw_page('test_gist', 0)); +ERROR: input page is not a valid GiST page +SELECT gist_page_items_bytea(get_raw_page('test_gist_btree', 0)); +ERROR: input page is not a valid GiST page +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT gist_page_items_bytea(decode(repeat('00', :block_size), 'hex')); + gist_page_items_bytea +----------------------- +(0 rows) + +SELECT gist_page_items(decode(repeat('00', :block_size), 'hex'), 'test_gist_idx'::regclass); + gist_page_items +----------------- +(0 rows) + +SELECT gist_page_opaque_info(decode(repeat('00', :block_size), 'hex')); + gist_page_opaque_info +----------------------- + +(1 row) + +-- Test gist_page_items with included columns. +-- Non-leaf pages contain only the key attributes, and leaf pages contain +-- the included attributes. +ALTER TABLE test_gist ADD COLUMN i int DEFAULT NULL; +CREATE INDEX test_gist_idx_inc ON test_gist + USING gist (p) INCLUDE (t, i); +-- Mask the value of the key attribute to avoid alignment issues. +SELECT regexp_replace(keys, '\(p\)=\("(.*?)"\)', '(p)=("<val>")') AS keys_nonleaf_1 + FROM gist_page_items(get_raw_page('test_gist_idx_inc', 0), 'test_gist_idx_inc') + WHERE itemoffset = 1; + keys_nonleaf_1 +---------------- + (p)=("<val>") +(1 row) + +SELECT keys AS keys_leaf_1 + FROM gist_page_items(get_raw_page('test_gist_idx_inc', 1), 'test_gist_idx_inc') + WHERE itemoffset = 1; + keys_leaf_1 +------------------------------------------------------ + (p) INCLUDE (t, i)=("(1,1),(1,1)") INCLUDE (1, null) +(1 row) + +DROP TABLE test_gist; diff --git a/contrib/pageinspect/expected/hash.out b/contrib/pageinspect/expected/hash.out new file mode 100644 index 0000000..5d6a518 --- /dev/null +++ b/contrib/pageinspect/expected/hash.out @@ -0,0 +1,205 @@ +CREATE TABLE test_hash (a int, b text); +INSERT INTO test_hash VALUES (1, 'one'); +CREATE INDEX test_hash_a_idx ON test_hash USING hash (a); +\x +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 0)); +-[ RECORD 1 ]--+--------- +hash_page_type | metapage + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 1)); +-[ RECORD 1 ]--+------- +hash_page_type | bucket + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 2)); +-[ RECORD 1 ]--+------- +hash_page_type | bucket + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 3)); +-[ RECORD 1 ]--+------- +hash_page_type | bucket + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 4)); +-[ RECORD 1 ]--+------- +hash_page_type | bucket + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 5)); +-[ RECORD 1 ]--+------- +hash_page_type | bitmap + +SELECT hash_page_type(get_raw_page('test_hash_a_idx', 6)); +ERROR: block number 6 is out of range for relation "test_hash_a_idx" +SELECT * FROM hash_bitmap_info('test_hash_a_idx', -1); +ERROR: invalid block number +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 0); +ERROR: invalid overflow block number 0 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 1); +ERROR: invalid overflow block number 1 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 2); +ERROR: invalid overflow block number 2 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 3); +ERROR: invalid overflow block number 3 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 4); +ERROR: invalid overflow block number 4 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 5); +ERROR: invalid overflow block number 5 +SELECT * FROM hash_bitmap_info('test_hash_a_idx', 6); +ERROR: block number 6 is out of range for relation "test_hash_a_idx" +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 0)); +-[ RECORD 1 ]-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- +magic | 105121344 +version | 4 +ntuples | 1 +bsize | 8152 +bmsize | 4096 +bmshift | 15 +maxbucket | 3 +highmask | 7 +lowmask | 3 +ovflpoint | 2 +firstfree | 0 +nmaps | 1 +procid | 450 +spares | {0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} +mapp | {5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} + +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 1)); +ERROR: page is not a hash meta page +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 2)); +ERROR: page is not a hash meta page +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 3)); +ERROR: page is not a hash meta page +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 4)); +ERROR: page is not a hash meta page +SELECT magic, version, ntuples, bsize, bmsize, bmshift, maxbucket, highmask, +lowmask, ovflpoint, firstfree, nmaps, procid, spares, mapp FROM +hash_metapage_info(get_raw_page('test_hash_a_idx', 5)); +ERROR: page is not a hash meta page +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 0)); +ERROR: page is not a hash bucket or overflow page +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 1)); +-[ RECORD 1 ]---+----------- +live_items | 0 +dead_items | 0 +page_size | 8192 +hasho_prevblkno | 3 +hasho_nextblkno | 4294967295 +hasho_bucket | 0 +hasho_flag | 2 +hasho_page_id | 65408 + +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 2)); +-[ RECORD 1 ]---+----------- +live_items | 0 +dead_items | 0 +page_size | 8192 +hasho_prevblkno | 3 +hasho_nextblkno | 4294967295 +hasho_bucket | 1 +hasho_flag | 2 +hasho_page_id | 65408 + +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 3)); +-[ RECORD 1 ]---+----------- +live_items | 1 +dead_items | 0 +page_size | 8192 +hasho_prevblkno | 3 +hasho_nextblkno | 4294967295 +hasho_bucket | 2 +hasho_flag | 2 +hasho_page_id | 65408 + +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 4)); +-[ RECORD 1 ]---+----------- +live_items | 0 +dead_items | 0 +page_size | 8192 +hasho_prevblkno | 3 +hasho_nextblkno | 4294967295 +hasho_bucket | 3 +hasho_flag | 2 +hasho_page_id | 65408 + +SELECT live_items, dead_items, page_size, hasho_prevblkno, hasho_nextblkno, +hasho_bucket, hasho_flag, hasho_page_id FROM +hash_page_stats(get_raw_page('test_hash_a_idx', 5)); +ERROR: page is not a hash bucket or overflow page +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 0)); +ERROR: page is not a hash bucket or overflow page +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 1)); +(0 rows) + +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 2)); +(0 rows) + +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 3)); +-[ RECORD 1 ]---------- +itemoffset | 1 +ctid | (0,1) +data | 2389907270 + +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 4)); +(0 rows) + +SELECT * FROM hash_page_items(get_raw_page('test_hash_a_idx', 5)); +ERROR: page is not a hash bucket or overflow page +-- Failure with non-hash index +CREATE INDEX test_hash_a_btree ON test_hash USING btree (a); +SELECT hash_bitmap_info('test_hash_a_btree', 0); +ERROR: "test_hash_a_btree" is not a hash index +-- Failure with various modes. +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes and architectures. +\set VERBOSITY terse +-- invalid page size +SELECT hash_metapage_info('aaa'::bytea); +ERROR: invalid page size +SELECT hash_page_items('bbb'::bytea); +ERROR: invalid page size +SELECT hash_page_stats('ccc'::bytea); +ERROR: invalid page size +SELECT hash_page_type('ddd'::bytea); +ERROR: invalid page size +-- invalid special area size +SELECT hash_metapage_info(get_raw_page('test_hash', 0)); +ERROR: input page is not a valid hash page +SELECT hash_page_items(get_raw_page('test_hash', 0)); +ERROR: input page is not a valid hash page +SELECT hash_page_stats(get_raw_page('test_hash', 0)); +ERROR: input page is not a valid hash page +SELECT hash_page_type(get_raw_page('test_hash', 0)); +ERROR: input page is not a valid hash page +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT hash_metapage_info(decode(repeat('00', :block_size), 'hex')); +ERROR: page is not a hash meta page +SELECT hash_page_items(decode(repeat('00', :block_size), 'hex')); +ERROR: page is not a hash bucket or overflow page +SELECT hash_page_stats(decode(repeat('00', :block_size), 'hex')); +ERROR: page is not a hash bucket or overflow page +SELECT hash_page_type(decode(repeat('00', :block_size), 'hex')); +-[ RECORD 1 ]--+------- +hash_page_type | unused + +DROP TABLE test_hash; diff --git a/contrib/pageinspect/expected/oldextversions.out b/contrib/pageinspect/expected/oldextversions.out new file mode 100644 index 0000000..f5c4b61 --- /dev/null +++ b/contrib/pageinspect/expected/oldextversions.out @@ -0,0 +1,56 @@ +-- test old extension version entry points +DROP EXTENSION pageinspect; +CREATE EXTENSION pageinspect VERSION '1.8'; +CREATE TABLE test1 (a int8, b text); +INSERT INTO test1 VALUES (72057594037927937, 'text'); +CREATE INDEX test1_a_idx ON test1 USING btree (a); +-- from page.sql +SELECT octet_length(get_raw_page('test1', 0)) AS main_0; + main_0 +-------- + 8192 +(1 row) + +SELECT octet_length(get_raw_page('test1', 'main', 0)) AS main_0; + main_0 +-------- + 8192 +(1 row) + +SELECT page_checksum(get_raw_page('test1', 0), 0) IS NOT NULL AS silly_checksum_test; + silly_checksum_test +--------------------- + t +(1 row) + +-- from btree.sql +SELECT * FROM bt_page_stats('test1_a_idx', 1); + blkno | type | live_items | dead_items | avg_item_size | page_size | free_size | btpo_prev | btpo_next | btpo | btpo_flags +-------+------+------------+------------+---------------+-----------+-----------+-----------+-----------+------+------------ + 1 | l | 1 | 0 | 16 | 8192 | 8128 | 0 | 0 | 0 | 3 +(1 row) + +SELECT * FROM bt_page_items('test1_a_idx', 1); + itemoffset | ctid | itemlen | nulls | vars | data | dead | htid | tids +------------+-------+---------+-------+------+-------------------------+------+-------+------ + 1 | (0,1) | 16 | f | f | 01 00 00 00 00 00 00 01 | f | (0,1) | +(1 row) + +-- page_header() uses int instead of smallint for lower, upper, special and +-- pagesize in pageinspect >= 1.10. +ALTER EXTENSION pageinspect UPDATE TO '1.9'; +\df page_header + List of functions + Schema | Name | Result data type | Argument data types | Type +--------+-------------+------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------ + public | page_header | record | page bytea, OUT lsn pg_lsn, OUT checksum smallint, OUT flags smallint, OUT lower smallint, OUT upper smallint, OUT special smallint, OUT pagesize smallint, OUT version smallint, OUT prune_xid xid | func +(1 row) + +SELECT pagesize, version FROM page_header(get_raw_page('test1', 0)); + pagesize | version +----------+--------- + 8192 | 4 +(1 row) + +DROP TABLE test1; +DROP EXTENSION pageinspect; diff --git a/contrib/pageinspect/expected/page.out b/contrib/pageinspect/expected/page.out new file mode 100644 index 0000000..80ddb45 --- /dev/null +++ b/contrib/pageinspect/expected/page.out @@ -0,0 +1,241 @@ +CREATE EXTENSION pageinspect; +-- Use a temp table so that effects of VACUUM are predictable +CREATE TEMP TABLE test1 (a int, b int); +INSERT INTO test1 VALUES (16777217, 131584); +VACUUM (DISABLE_PAGE_SKIPPING) test1; -- set up FSM +-- The page contents can vary, so just test that it can be read +-- successfully, but don't keep the output. +SELECT octet_length(get_raw_page('test1', 'main', 0)) AS main_0; + main_0 +-------- + 8192 +(1 row) + +SELECT octet_length(get_raw_page('test1', 'main', 1)) AS main_1; +ERROR: block number 1 is out of range for relation "test1" +SELECT octet_length(get_raw_page('test1', 'fsm', 0)) AS fsm_0; + fsm_0 +------- + 8192 +(1 row) + +SELECT octet_length(get_raw_page('test1', 'fsm', 1)) AS fsm_1; + fsm_1 +------- + 8192 +(1 row) + +SELECT octet_length(get_raw_page('test1', 'vm', 0)) AS vm_0; + vm_0 +------ + 8192 +(1 row) + +SELECT octet_length(get_raw_page('test1', 'vm', 1)) AS vm_1; +ERROR: block number 1 is out of range for relation "test1" +SELECT octet_length(get_raw_page('test1', 'main', -1)); +ERROR: invalid block number +SELECT octet_length(get_raw_page('xxx', 'main', 0)); +ERROR: relation "xxx" does not exist +SELECT octet_length(get_raw_page('test1', 'xxx', 0)); +ERROR: invalid fork name +HINT: Valid fork names are "main", "fsm", "vm", and "init". +SELECT get_raw_page('test1', 0) = get_raw_page('test1', 'main', 0); + ?column? +---------- + t +(1 row) + +SELECT pagesize, version FROM page_header(get_raw_page('test1', 0)); + pagesize | version +----------+--------- + 8192 | 4 +(1 row) + +SELECT page_checksum(get_raw_page('test1', 0), 0) IS NOT NULL AS silly_checksum_test; + silly_checksum_test +--------------------- + t +(1 row) + +SELECT page_checksum(get_raw_page('test1', 0), -1); +ERROR: invalid block number +SELECT tuple_data_split('test1'::regclass, t_data, t_infomask, t_infomask2, t_bits) + FROM heap_page_items(get_raw_page('test1', 0)); + tuple_data_split +------------------------------- + {"\\x01000001","\\x00020200"} +(1 row) + +SELECT * FROM fsm_page_contents(get_raw_page('test1', 'fsm', 0)); + fsm_page_contents +------------------- + 0: 254 + + 1: 254 + + 3: 254 + + 7: 254 + + 15: 254 + + 31: 254 + + 63: 254 + + 127: 254 + + 255: 254 + + 511: 254 + + 1023: 254 + + 2047: 254 + + 4095: 254 + + fp_next_slot: 0 + + +(1 row) + +-- If we freeze the only tuple on test1, the infomask should +-- always be the same in all test runs. +VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) test1; +SELECT t_infomask, t_infomask2, raw_flags, combined_flags +FROM heap_page_items(get_raw_page('test1', 0)), + LATERAL heap_tuple_infomask_flags(t_infomask, t_infomask2); + t_infomask | t_infomask2 | raw_flags | combined_flags +------------+-------------+-----------------------------------------------------------+-------------------- + 2816 | 2 | {HEAP_XMIN_COMMITTED,HEAP_XMIN_INVALID,HEAP_XMAX_INVALID} | {HEAP_XMIN_FROZEN} +(1 row) + +-- tests for decoding of combined flags +-- HEAP_XMAX_SHR_LOCK = (HEAP_XMAX_EXCL_LOCK | HEAP_XMAX_KEYSHR_LOCK) +SELECT * FROM heap_tuple_infomask_flags(x'0050'::int, 0); + raw_flags | combined_flags +---------------------------------------------+---------------------- + {HEAP_XMAX_KEYSHR_LOCK,HEAP_XMAX_EXCL_LOCK} | {HEAP_XMAX_SHR_LOCK} +(1 row) + +-- HEAP_XMIN_FROZEN = (HEAP_XMIN_COMMITTED | HEAP_XMIN_INVALID) +SELECT * FROM heap_tuple_infomask_flags(x'0300'::int, 0); + raw_flags | combined_flags +-----------------------------------------+-------------------- + {HEAP_XMIN_COMMITTED,HEAP_XMIN_INVALID} | {HEAP_XMIN_FROZEN} +(1 row) + +-- HEAP_MOVED = (HEAP_MOVED_IN | HEAP_MOVED_OFF) +SELECT * FROM heap_tuple_infomask_flags(x'C000'::int, 0); + raw_flags | combined_flags +--------------------------------+---------------- + {HEAP_MOVED_OFF,HEAP_MOVED_IN} | {HEAP_MOVED} +(1 row) + +SELECT * FROM heap_tuple_infomask_flags(x'C000'::int, 0); + raw_flags | combined_flags +--------------------------------+---------------- + {HEAP_MOVED_OFF,HEAP_MOVED_IN} | {HEAP_MOVED} +(1 row) + +-- test all flags of t_infomask and t_infomask2 +SELECT unnest(raw_flags) + FROM heap_tuple_infomask_flags(x'FFFF'::int, x'FFFF'::int) ORDER BY 1; + unnest +----------------------- + HEAP_COMBOCID + HEAP_HASEXTERNAL + HEAP_HASNULL + HEAP_HASOID_OLD + HEAP_HASVARWIDTH + HEAP_HOT_UPDATED + HEAP_KEYS_UPDATED + HEAP_MOVED_IN + HEAP_MOVED_OFF + HEAP_ONLY_TUPLE + HEAP_UPDATED + HEAP_XMAX_COMMITTED + HEAP_XMAX_EXCL_LOCK + HEAP_XMAX_INVALID + HEAP_XMAX_IS_MULTI + HEAP_XMAX_KEYSHR_LOCK + HEAP_XMAX_LOCK_ONLY + HEAP_XMIN_COMMITTED + HEAP_XMIN_INVALID +(19 rows) + +SELECT unnest(combined_flags) + FROM heap_tuple_infomask_flags(x'FFFF'::int, x'FFFF'::int) ORDER BY 1; + unnest +-------------------- + HEAP_MOVED + HEAP_XMAX_SHR_LOCK + HEAP_XMIN_FROZEN +(3 rows) + +-- no flags at all +SELECT * FROM heap_tuple_infomask_flags(0, 0); + raw_flags | combined_flags +-----------+---------------- + {} | {} +(1 row) + +-- no combined flags +SELECT * FROM heap_tuple_infomask_flags(x'0010'::int, 0); + raw_flags | combined_flags +-------------------------+---------------- + {HEAP_XMAX_KEYSHR_LOCK} | {} +(1 row) + +DROP TABLE test1; +-- check that using any of these functions with a partitioned table or index +-- would fail +create table test_partitioned (a int) partition by range (a); +create index test_partitioned_index on test_partitioned (a); +select get_raw_page('test_partitioned', 0); -- error about partitioned table +ERROR: cannot get raw page from relation "test_partitioned" +DETAIL: This operation is not supported for partitioned tables. +select get_raw_page('test_partitioned_index', 0); -- error about partitioned index +ERROR: cannot get raw page from relation "test_partitioned_index" +DETAIL: This operation is not supported for partitioned indexes. +-- a regular table which is a member of a partition set should work though +create table test_part1 partition of test_partitioned for values from ( 1 ) to (100); +select get_raw_page('test_part1', 0); -- get farther and error about empty table +ERROR: block number 0 is out of range for relation "test_part1" +drop table test_partitioned; +-- check null bitmap alignment for table whose number of attributes is multiple of 8 +create table test8 (f1 int, f2 int, f3 int, f4 int, f5 int, f6 int, f7 int, f8 int); +insert into test8(f1, f8) values (x'7f00007f'::int, 0); +select t_bits, t_data from heap_page_items(get_raw_page('test8', 0)); + t_bits | t_data +----------+-------------------- + 10000001 | \x7f00007f00000000 +(1 row) + +select tuple_data_split('test8'::regclass, t_data, t_infomask, t_infomask2, t_bits) + from heap_page_items(get_raw_page('test8', 0)); + tuple_data_split +------------------------------------------------------------- + {"\\x7f00007f",NULL,NULL,NULL,NULL,NULL,NULL,"\\x00000000"} +(1 row) + +drop table test8; +-- Failure with incorrect page size +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes. +\set VERBOSITY terse +SELECT fsm_page_contents('aaa'::bytea); +ERROR: invalid page size +SELECT page_checksum('bbb'::bytea, 0); +ERROR: invalid page size +SELECT page_header('ccc'::bytea); +ERROR: invalid page size +\set VERBOSITY default +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT fsm_page_contents(decode(repeat('00', :block_size), 'hex')); + fsm_page_contents +------------------- + +(1 row) + +SELECT page_header(decode(repeat('00', :block_size), 'hex')); + page_header +----------------------- + (0/0,0,0,0,0,0,0,0,0) +(1 row) + +SELECT page_checksum(decode(repeat('00', :block_size), 'hex'), 1); + page_checksum +--------------- + +(1 row) + |