|
1 | | -from mamonsu import __version__ as mamonsu_version |
2 | | - |
3 | | -QuerySplit = """ |
4 | | -
|
5 | | -""" |
6 | | - |
7 | | -CreateSchemaSQL = """ |
8 | | -CREATE TABLE IF NOT EXISTS public.mamonsu_config ( |
9 | | - version text, |
10 | | - inserted_at timestamp DEFAULT NOW() |
11 | | -); |
12 | | -
|
13 | | -INSERT INTO public.mamonsu_config(version) VALUES('{0}'); |
14 | | -
|
15 | | -DROP TABLE IF EXISTS public.mamonsu_timestamp_master_{1}; |
16 | | -
|
17 | | -CREATE TABLE public.mamonsu_timestamp_master_{1}( |
18 | | - id int primary key, |
19 | | - ts double precision, |
20 | | - lsn pg_lsn |
21 | | -); |
22 | | -
|
23 | | -INSERT INTO public.mamonsu_timestamp_master_{1} (id) values (1); |
24 | | -
|
25 | | -CREATE OR REPLACE FUNCTION public.mamonsu_timestamp_master_update() |
26 | | -RETURNS void AS $$ |
27 | | - UPDATE public.mamonsu_timestamp_master_{1} SET |
28 | | - ts = extract(epoch from now() at time zone 'utc')::double precision, |
29 | | - lsn = pg_catalog.pg_current_xlog_location() |
30 | | - WHERE |
31 | | - id = 1; |
32 | | -$$ LANGUAGE SQL SECURITY DEFINER; |
33 | | -
|
34 | | -CREATE OR REPLACE FUNCTION public.mamonsu_timestamp_get() |
35 | | -RETURNS double precision AS $$ |
36 | | - SELECT |
37 | | - (extract(epoch from now() at time zone 'utc') - ts)::double precision |
38 | | - FROM public.mamonsu_timestamp_master_{1} |
39 | | - WHERE id = 1 LIMIT 1; |
40 | | -$$ LANGUAGE SQL SECURITY DEFINER; |
41 | | -
|
42 | | -CREATE OR REPLACE FUNCTION public.mamonsu_count_autovacuum() |
43 | | -RETURNS BIGINT AS $$ |
44 | | - SELECT |
45 | | - count(*)::BIGINT |
46 | | - FROM pg_catalog.pg_stat_activity |
47 | | - WHERE |
48 | | - query like '%%autovacuum%%' |
49 | | - and state <> 'idle' |
50 | | - and pid <> pg_catalog.pg_backend_pid() |
51 | | -$$ LANGUAGE SQL SECURITY DEFINER; |
52 | | -
|
53 | | -CREATE OR REPLACE FUNCTION public.mamonsu_count_xlog_files() |
54 | | -RETURNS BIGINT AS $$ |
55 | | -WITH list(filename) as (SELECT * FROM pg_catalog.pg_ls_dir('pg_xlog')) |
56 | | -SELECT |
57 | | - COUNT(*)::BIGINT |
58 | | -FROM |
59 | | - list |
60 | | -WHERE filename similar to '{2}' |
61 | | -$$ LANGUAGE SQL SECURITY DEFINER; |
62 | | -
|
63 | | -CREATE EXTENSION IF NOT EXISTS pg_buffercache; |
64 | | -
|
65 | | -CREATE OR REPLACE FUNCTION public.mamonsu_buffer_cache() |
66 | | -RETURNS TABLE(SIZE BIGINT, TWICE_USED BIGINT, DIRTY BIGINT) AS $$ |
67 | | -SELECT |
68 | | - SUM(1) * 8 * 1024, |
69 | | - SUM(CASE WHEN usagecount > 1 THEN 1 ELSE 0 END) * 8 * 1024, |
70 | | - SUM(CASE isdirty WHEN true THEN 1 ELSE 0 END) * 8 * 1024 |
71 | | -FROM public.pg_buffercache |
72 | | -$$ LANGUAGE SQL SECURITY DEFINER; |
73 | | -""".format( |
74 | | - mamonsu_version, |
75 | | - mamonsu_version.replace('.', '_'), '[0-9A-F]{24}') |
| 1 | +from mamonsu import __version__ as mamonsu_version |
| 2 | + |
| 3 | +QuerySplit = """ |
| 4 | +
|
| 5 | +""" |
| 6 | + |
| 7 | +CreateSchemaSQL = """ |
| 8 | +CREATE TABLE IF NOT EXISTS public.mamonsu_config ( |
| 9 | + version text, |
| 10 | + inserted_at timestamp DEFAULT NOW() |
| 11 | +); |
| 12 | +
|
| 13 | +INSERT INTO public.mamonsu_config(version) VALUES('{0}'); |
| 14 | +
|
| 15 | +DROP TABLE IF EXISTS public.mamonsu_timestamp_master_{1}; |
| 16 | +
|
| 17 | +CREATE TABLE public.mamonsu_timestamp_master_{1}( |
| 18 | + id int primary key, |
| 19 | + ts double precision, |
| 20 | + lsn pg_lsn |
| 21 | +); |
| 22 | +
|
| 23 | +INSERT INTO public.mamonsu_timestamp_master_{1} (id) values (1); |
| 24 | +
|
| 25 | +CREATE OR REPLACE FUNCTION public.mamonsu_timestamp_master_update() |
| 26 | +RETURNS void AS $$ |
| 27 | + UPDATE public.mamonsu_timestamp_master_{1} SET |
| 28 | + ts = extract(epoch from now() at time zone 'utc')::double precision, |
| 29 | + lsn = pg_catalog.pg_current_xlog_location() |
| 30 | + WHERE |
| 31 | + id = 1; |
| 32 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 33 | +
|
| 34 | +CREATE OR REPLACE FUNCTION public.mamonsu_timestamp_get() |
| 35 | +RETURNS double precision AS $$ |
| 36 | + SELECT |
| 37 | + (extract(epoch from now() at time zone 'utc') - ts)::double precision |
| 38 | + FROM public.mamonsu_timestamp_master_{1} |
| 39 | + WHERE id = 1 LIMIT 1; |
| 40 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 41 | +
|
| 42 | +CREATE OR REPLACE FUNCTION public.mamonsu_count_autovacuum() |
| 43 | +RETURNS BIGINT AS $$ |
| 44 | + SELECT |
| 45 | + count(*)::BIGINT |
| 46 | + FROM pg_catalog.pg_stat_activity |
| 47 | + WHERE |
| 48 | + query like '%%autovacuum%%' |
| 49 | + and state <> 'idle' |
| 50 | + and pid <> pg_catalog.pg_backend_pid() |
| 51 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 52 | +
|
| 53 | +CREATE or REPLACE FUNCTION public.mamonsu_get_oldest_xid() |
| 54 | +RETURNS BIGINT AS $$ |
| 55 | + SELECT |
| 56 | + greatest(max(age(backend_xmin)), |
| 57 | + max(age(backend_xid)))::BIGINT |
| 58 | + FROM pg_catalog.pg_stat_activity |
| 59 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 60 | +
|
| 61 | +CREATE or REPLACE FUNCTION public.mamonsu_get_oldest_query() |
| 62 | +RETURNS DOUBLE PRECISION AS $$ |
| 63 | + SELECT |
| 64 | + extract(epoch from max(now() - xact_start)) |
| 65 | + FROM pg_catalog.pg_stat_activity |
| 66 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 67 | +
|
| 68 | +CREATE OR REPLACE FUNCTION public.mamonsu_count_xlog_files() |
| 69 | +RETURNS BIGINT AS $$ |
| 70 | +WITH list(filename) as (SELECT * FROM pg_catalog.pg_ls_dir('pg_xlog')) |
| 71 | +SELECT |
| 72 | + COUNT(*)::BIGINT |
| 73 | +FROM |
| 74 | + list |
| 75 | +WHERE filename similar to '{2}' |
| 76 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 77 | +
|
| 78 | +CREATE EXTENSION IF NOT EXISTS pg_buffercache; |
| 79 | +
|
| 80 | +CREATE OR REPLACE FUNCTION public.mamonsu_buffer_cache() |
| 81 | +RETURNS TABLE(SIZE BIGINT, TWICE_USED BIGINT, DIRTY BIGINT) AS $$ |
| 82 | +SELECT |
| 83 | + SUM(1) * 8 * 1024, |
| 84 | + SUM(CASE WHEN usagecount > 1 THEN 1 ELSE 0 END) * 8 * 1024, |
| 85 | + SUM(CASE isdirty WHEN true THEN 1 ELSE 0 END) * 8 * 1024 |
| 86 | +FROM public.pg_buffercache |
| 87 | +$$ LANGUAGE SQL SECURITY DEFINER; |
| 88 | +""".format( |
| 89 | + mamonsu_version, |
| 90 | + mamonsu_version.replace('.', '_'), '[0-9A-F]{24}') |
| 91 | + |
| 92 | +GrantsOnSchemaSQL = """ |
| 93 | +ALTER TABLE public.mamonsu_config OWNER TO {1}; |
| 94 | +
|
| 95 | +ALTER TABLE public.mamonsu_timestamp_master_{0} OWNER TO {1}; |
| 96 | +
|
| 97 | +GRANT EXECUTE ON FUNCTION public.mamonsu_timestamp_master_update() TO {1}; |
| 98 | +
|
| 99 | +GRANT EXECUTE ON FUNCTION public.mamonsu_timestamp_get() TO {1}; |
| 100 | +
|
| 101 | +GRANT EXECUTE ON FUNCTION public.mamonsu_count_autovacuum() TO {1}; |
| 102 | +
|
| 103 | +GRANT EXECUTE ON FUNCTION public.mamonsu_get_oldest_xid() TO {1}; |
| 104 | +
|
| 105 | +GRANT EXECUTE ON FUNCTION public.mamonsu_get_oldest_query() TO {1}; |
| 106 | +
|
| 107 | +GRANT EXECUTE ON FUNCTION public.mamonsu_count_xlog_files() TO {1}; |
| 108 | +
|
| 109 | +GRANT EXECUTE ON FUNCTION public.mamonsu_buffer_cache() TO {1}; |
| 110 | +""" |
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