1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/* $PostgreSQL$ */
-- Adjust this setting to control where the objects get created.
SET search_path = public;
--
-- get_raw_page()
--
CREATE OR REPLACE FUNCTION get_raw_page(text, int4)
RETURNS bytea
AS 'MODULE_PATHNAME', 'get_raw_page'
LANGUAGE C STRICT;
CREATE OR REPLACE FUNCTION get_raw_page(text, text, int4)
RETURNS bytea
AS 'MODULE_PATHNAME', 'get_raw_page_fork'
LANGUAGE C STRICT;
--
-- page_header()
--
CREATE OR REPLACE FUNCTION page_header(IN page bytea,
OUT lsn text,
OUT tli smallint,
OUT flags smallint,
OUT lower smallint,
OUT upper smallint,
OUT special smallint,
OUT pagesize smallint,
OUT version smallint,
OUT prune_xid xid)
AS 'MODULE_PATHNAME', 'page_header'
LANGUAGE C STRICT;
--
-- heap_page_items()
--
CREATE OR REPLACE FUNCTION heap_page_items(IN page bytea,
OUT lp smallint,
OUT lp_off smallint,
OUT lp_flags smallint,
OUT lp_len smallint,
OUT t_xmin xid,
OUT t_xmax xid,
OUT t_field3 int4,
OUT t_ctid tid,
OUT t_infomask2 smallint,
OUT t_infomask smallint,
OUT t_hoff smallint,
OUT t_bits text,
OUT t_oid oid)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'heap_page_items'
LANGUAGE C STRICT;
--
-- bt_metap()
--
CREATE OR REPLACE FUNCTION bt_metap(IN relname text,
OUT magic int4,
OUT version int4,
OUT root int4,
OUT level int4,
OUT fastroot int4,
OUT fastlevel int4)
AS 'MODULE_PATHNAME', 'bt_metap'
LANGUAGE C STRICT;
--
-- bt_page_stats()
--
CREATE OR REPLACE FUNCTION bt_page_stats(IN relname text, IN blkno int4,
OUT blkno int4,
OUT type "char",
OUT live_items int4,
OUT dead_items int4,
OUT avg_item_size int4,
OUT page_size int4,
OUT free_size int4,
OUT btpo_prev int4,
OUT btpo_next int4,
OUT btpo int4,
OUT btpo_flags int4)
AS 'MODULE_PATHNAME', 'bt_page_stats'
LANGUAGE C STRICT;
--
-- bt_page_items()
--
CREATE OR REPLACE FUNCTION bt_page_items(IN relname text, IN blkno int4,
OUT itemoffset smallint,
OUT ctid tid,
OUT itemlen smallint,
OUT nulls bool,
OUT vars bool,
OUT data text)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'bt_page_items'
LANGUAGE C STRICT;
--
-- fsm_page_contents()
--
CREATE OR REPLACE FUNCTION fsm_page_contents(IN page bytea)
RETURNS text
AS 'MODULE_PATHNAME', 'fsm_page_contents'
LANGUAGE C STRICT;
|
