--- /dev/null
+# Generated subdirectories
+/log/
+/results/
+/tmp_check/
pageinspect--unpackaged--1.0.sql
PGFILEDESC = "pageinspect - functions to inspect contents of database pages"
+REGRESS = page btree brin gin
+
ifdef USE_PGXS
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)
--- /dev/null
+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)
+
+DROP TABLE test1;
--- /dev/null
+CREATE TABLE test1 (a int, b text);
+INSERT INTO test1 VALUES (1, 'one');
+CREATE INDEX test1_a_idx ON test1 USING btree (a);
+\x
+SELECT * FROM bt_metap('test1_a_idx');
+-[ RECORD 1 ]-----
+magic | 340322
+version | 2
+root | 1
+level | 0
+fastroot | 1
+fastlevel | 0
+
+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 | 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', 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 00
+
+SELECT * FROM bt_page_items('test1_a_idx', 2);
+ERROR: block number out of range
+DROP TABLE test1;
--- /dev/null
+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);
+\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
+DROP TABLE test1;
--- /dev/null
+CREATE EXTENSION pageinspect;
+CREATE TABLE test1 (a int, b text);
+INSERT INTO test1 VALUES (1, 'one');
+VACUUM 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('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 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
+-------------------------------
+ {"\\x01000000","\\x096f6e65"}
+(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)
+
+DROP TABLE test1;
--- /dev/null
+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));
+SELECT brin_page_type(get_raw_page('test1_a_idx', 1));
+SELECT brin_page_type(get_raw_page('test1_a_idx', 2));
+
+SELECT * FROM brin_metapage_info(get_raw_page('test1_a_idx', 0));
+SELECT * FROM brin_metapage_info(get_raw_page('test1_a_idx', 1));
+
+SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 0)) LIMIT 5;
+SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 1)) LIMIT 5;
+
+SELECT * FROM brin_page_items(get_raw_page('test1_a_idx', 2), 'test1_a_idx')
+ ORDER BY blknum, attnum LIMIT 5;
+
+DROP TABLE test1;
--- /dev/null
+CREATE TABLE test1 (a int, b text);
+INSERT INTO test1 VALUES (1, 'one');
+CREATE INDEX test1_a_idx ON test1 USING btree (a);
+
+\x
+
+SELECT * FROM bt_metap('test1_a_idx');
+
+SELECT * FROM bt_page_stats('test1_a_idx', 0);
+SELECT * FROM bt_page_stats('test1_a_idx', 1);
+SELECT * FROM bt_page_stats('test1_a_idx', 2);
+
+SELECT * FROM bt_page_items('test1_a_idx', 0);
+SELECT * FROM bt_page_items('test1_a_idx', 1);
+SELECT * FROM bt_page_items('test1_a_idx', 2);
+
+DROP TABLE test1;
--- /dev/null
+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);
+
+\x
+
+SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 0));
+SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 1));
+
+SELECT * FROM gin_page_opaque_info(get_raw_page('test1_y_idx', 1));
+
+SELECT * FROM gin_leafpage_items(get_raw_page('test1_y_idx', 1));
+
+DROP TABLE test1;
--- /dev/null
+CREATE EXTENSION pageinspect;
+
+CREATE TABLE test1 (a int, b text);
+INSERT INTO test1 VALUES (1, 'one');
+
+VACUUM 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;
+SELECT octet_length(get_raw_page('test1', 'main', 1)) AS main_1;
+
+SELECT octet_length(get_raw_page('test1', 'fsm', 0)) AS fsm_0;
+SELECT octet_length(get_raw_page('test1', 'fsm', 1)) AS fsm_1;
+
+SELECT octet_length(get_raw_page('test1', 'vm', 0)) AS vm_0;
+SELECT octet_length(get_raw_page('test1', 'vm', 1)) AS vm_1;
+
+SELECT octet_length(get_raw_page('xxx', 'main', 0));
+SELECT octet_length(get_raw_page('test1', 'xxx', 0));
+
+SELECT get_raw_page('test1', 0) = get_raw_page('test1', 'main', 0);
+
+SELECT tuple_data_split('test1'::regclass, t_data, t_infomask, t_infomask2, t_bits)
+ FROM heap_page_items(get_raw_page('test1', 0));
+
+SELECT * FROM fsm_page_contents(get_raw_page('test1', 'fsm', 0));
+
+DROP TABLE test1;
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