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
108
109
|
-- Adjust this setting to control where the objects get created.
SET search_path = public;
CREATE TYPE pgstattuple_type AS (
table_len BIGINT, -- physical table length in bytes
tuple_count BIGINT, -- number of live tuples
tuple_len BIGINT, -- total tuples length in bytes
tuple_percent FLOAT, -- live tuples in %
dead_tuple_count BIGINT, -- number of dead tuples
dead_tuple_len BIGINT, -- total dead tuples length in bytes
dead_tuple_percent FLOAT, -- dead tuples in %
free_space BIGINT, -- free space in bytes
free_percent FLOAT -- free space in %
);
CREATE OR REPLACE FUNCTION pgstattuple(text)
RETURNS pgstattuple_type
AS 'MODULE_PATHNAME', 'pgstattuple'
LANGUAGE C STRICT;
CREATE OR REPLACE FUNCTION pgstattuple(oid)
RETURNS pgstattuple_type
AS 'MODULE_PATHNAME', 'pgstattuplebyid'
LANGUAGE C STRICT;
--
-- pgstatindex
--
CREATE TYPE pgstatindex_type AS (
version int4,
tree_level int4,
index_size int4,
root_block_no int4,
internal_pages int4,
leaf_pages int4,
empty_pages int4,
deleted_pages int4,
avg_leaf_density float8,
leaf_fragmentation float8
);
CREATE OR REPLACE FUNCTION pgstatindex(text)
RETURNS pgstatindex_type
AS 'MODULE_PATHNAME', 'pgstatindex'
LANGUAGE 'C' STRICT;
--
-- bt_metap()
--
CREATE TYPE bt_metap_type AS (
magic int4,
version int4,
root int4,
level int4,
fastroot int4,
fastlevel int4
);
CREATE OR REPLACE FUNCTION bt_metap(text)
RETURNS bt_metap_type
AS 'MODULE_PATHNAME', 'bt_metap'
LANGUAGE 'C' STRICT;
--
-- bt_page_stats()
--
CREATE TYPE bt_page_stats_type AS (
blkno int4,
type char,
live_items int4,
dead_items int4,
avg_item_size float,
page_size int4,
free_size int4,
btpo_prev int4,
btpo_next int4,
btpo int4,
btpo_flags int4
);
CREATE OR REPLACE FUNCTION bt_page_stats(text, int4)
RETURNS bt_page_stats_type
AS 'MODULE_PATHNAME', 'bt_page_stats'
LANGUAGE 'C' STRICT;
--
-- bt_page_items()
--
CREATE TYPE bt_page_items_type AS (
itemoffset int4,
ctid tid,
itemlen int4,
nulls bool,
vars bool,
data text
);
CREATE OR REPLACE FUNCTION bt_page_items(text, int4)
RETURNS SETOF bt_page_items_type
AS 'MODULE_PATHNAME', 'bt_page_items'
LANGUAGE 'C' STRICT;
--
-- pg_relpages()
--
CREATE OR REPLACE FUNCTION pg_relpages(text)
RETURNS int
AS 'MODULE_PATHNAME', 'pg_relpages'
LANGUAGE 'C' STRICT;
|
