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pg_stat_monitor--1.0--2.0.sql
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pg_stat_monitor--1.0--2.0.sql
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/* contrib/pg_stat_monitor/pg_stat_monitor--1.0--2.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "ALTER EXTENSION pg_stat_monitor" to load this file. \quit
DROP FUNCTION pg_stat_monitor_internal CASCADE;
DROP FUNCTION histogram;
DROP FUNCTION get_state;
DROP FUNCTION pg_stat_monitor_settings CASCADE;
CREATE FUNCTION pg_stat_monitor_internal(
IN showtext boolean,
OUT bucket int8, -- 0
OUT userid oid,
OUT username text,
OUT dbid oid,
OUT datname text,
OUT client_ip int8,
OUT queryid int8, -- 4
OUT planid int8,
OUT query text,
OUT query_plan text,
OUT pgsm_query_id int8,
OUT top_queryid int8,
OUT top_query text,
OUT application_name text,
OUT relations text, -- 11
OUT cmd_type int,
OUT elevel int,
OUT sqlcode TEXT,
OUT message text,
OUT bucket_start_time timestamptz,
OUT calls int8, -- 16
OUT total_exec_time float8,
OUT min_exec_time float8,
OUT max_exec_time float8,
OUT mean_exec_time float8,
OUT stddev_exec_time float8,
OUT rows int8,
OUT plans int8, -- 23
OUT total_plan_time float8,
OUT min_plan_time float8,
OUT max_plan_time float8,
OUT mean_plan_time float8,
OUT stddev_plan_time float8,
OUT shared_blks_hit int8, -- 29
OUT shared_blks_read int8,
OUT shared_blks_dirtied int8,
OUT shared_blks_written int8,
OUT local_blks_hit int8,
OUT local_blks_read int8,
OUT local_blks_dirtied int8,
OUT local_blks_written int8,
OUT temp_blks_read int8,
OUT temp_blks_written int8,
OUT blk_read_time float8,
OUT blk_write_time float8,
OUT temp_blk_read_time float8,
OUT temp_blk_write_time float8,
OUT resp_calls text, -- 41
OUT cpu_user_time float8,
OUT cpu_sys_time float8,
OUT wal_records int8,
OUT wal_fpi int8,
OUT wal_bytes numeric,
OUT comments TEXT,
OUT jit_functions int8,
OUT jit_generation_time float8,
OUT jit_inlining_count int8,
OUT jit_inlining_time float8,
OUT jit_optimization_count int8,
OUT jit_optimization_time float8,
OUT jit_emission_count int8,
OUT jit_emission_time float8,
OUT toplevel BOOLEAN,
OUT bucket_done BOOLEAN
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_monitor_2_0'
LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
CREATE FUNCTION histogram(_bucket int, _quryid int8)
RETURNS SETOF RECORD AS $$
DECLARE
rec record;
BEGIN
FOR rec IN
WITH stat AS (select queryid, bucket, unnest(range()) AS range,
unnest(resp_calls)::int freq FROM pg_stat_monitor) select range,
freq, repeat('■', (freq::float / max(freq) over() * 30)::int) AS bar
FROM stat WHERE queryid = _quryid and bucket = _bucket
LOOP
RETURN next rec;
END loop;
END
$$ language plpgsql;
-- Register a view on the function for ease of use.
CREATE FUNCTION pgsm_create_11_view() RETURNS INT AS
$$
BEGIN
CREATE VIEW pg_stat_monitor AS SELECT
bucket,
bucket_start_time AS bucket_start_time,
userid,
username,
dbid,
datname,
'0.0.0.0'::inet + client_ip AS client_ip,
pgsm_query_id,
queryid,
top_queryid,
query,
comments,
planid,
query_plan,
top_query,
application_name,
string_to_array(relations, ',') AS relations,
cmd_type,
get_cmd_type(cmd_type) AS cmd_type_text,
elevel,
sqlcode,
message,
calls,
total_exec_time AS total_time,
min_exec_time AS min_time,
max_exec_time AS max_time,
mean_exec_time AS mean_time,
stddev_exec_time AS stddev_time,
rows,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
shared_blks_written,
local_blks_hit,
local_blks_read,
local_blks_dirtied,
local_blks_written,
temp_blks_read,
temp_blks_written,
blk_read_time,
blk_write_time,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
bucket_done
FROM pg_stat_monitor_internal(TRUE)
ORDER BY bucket_start_time;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_13_view() RETURNS INT AS
$$
BEGIN
CREATE VIEW pg_stat_monitor AS SELECT
bucket,
bucket_start_time AS bucket_start_time,
userid,
username,
dbid,
datname,
'0.0.0.0'::inet + client_ip AS client_ip,
pgsm_query_id,
queryid,
toplevel,
top_queryid,
query,
comments,
planid,
query_plan,
top_query,
application_name,
string_to_array(relations, ',') AS relations,
cmd_type,
get_cmd_type(cmd_type) AS cmd_type_text,
elevel,
sqlcode,
message,
calls,
total_exec_time,
min_exec_time,
max_exec_time,
mean_exec_time,
stddev_exec_time,
rows,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
shared_blks_written,
local_blks_hit,
local_blks_read,
local_blks_dirtied,
local_blks_written,
temp_blks_read,
temp_blks_written,
blk_read_time,
blk_write_time,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
wal_records,
wal_fpi,
wal_bytes,
bucket_done,
-- PostgreSQL-13 Specific Coulumns
plans,
total_plan_time,
min_plan_time,
max_plan_time,
mean_plan_time,
stddev_plan_time
FROM pg_stat_monitor_internal(TRUE)
ORDER BY bucket_start_time;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_14_view() RETURNS INT AS
$$
BEGIN
CREATE VIEW pg_stat_monitor AS SELECT
bucket,
bucket_start_time AS bucket_start_time,
userid,
username,
dbid,
datname,
'0.0.0.0'::inet + client_ip AS client_ip,
pgsm_query_id,
queryid,
toplevel,
top_queryid,
query,
comments,
planid,
query_plan,
top_query,
application_name,
string_to_array(relations, ',') AS relations,
cmd_type,
get_cmd_type(cmd_type) AS cmd_type_text,
elevel,
sqlcode,
message,
calls,
total_exec_time,
min_exec_time,
max_exec_time,
mean_exec_time,
stddev_exec_time,
rows,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
shared_blks_written,
local_blks_hit,
local_blks_read,
local_blks_dirtied,
local_blks_written,
temp_blks_read,
temp_blks_written,
blk_read_time,
blk_write_time,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
wal_records,
wal_fpi,
wal_bytes,
bucket_done,
plans,
total_plan_time,
min_plan_time,
max_plan_time,
mean_plan_time,
stddev_plan_time
FROM pg_stat_monitor_internal(TRUE)
ORDER BY bucket_start_time;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_15_view() RETURNS INT AS
$$
BEGIN
CREATE VIEW pg_stat_monitor AS SELECT
bucket,
bucket_start_time AS bucket_start_time,
userid,
username,
dbid,
datname,
'0.0.0.0'::inet + client_ip AS client_ip,
pgsm_query_id,
queryid,
toplevel,
top_queryid,
query,
comments,
planid,
query_plan,
top_query,
application_name,
string_to_array(relations, ',') AS relations,
cmd_type,
get_cmd_type(cmd_type) AS cmd_type_text,
elevel,
sqlcode,
message,
calls,
total_exec_time,
min_exec_time,
max_exec_time,
mean_exec_time,
stddev_exec_time,
rows,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
shared_blks_written,
local_blks_hit,
local_blks_read,
local_blks_dirtied,
local_blks_written,
temp_blks_read,
temp_blks_written,
blk_read_time,
blk_write_time,
temp_blk_read_time,
temp_blk_write_time,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
wal_records,
wal_fpi,
wal_bytes,
bucket_done,
plans,
total_plan_time,
min_plan_time,
max_plan_time,
mean_plan_time,
stddev_plan_time,
jit_functions,
jit_generation_time,
jit_inlining_count,
jit_inlining_time,
jit_optimization_count,
jit_optimization_time,
jit_emission_count,
jit_emission_time
FROM pg_stat_monitor_internal(TRUE)
ORDER BY bucket_start_time;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_view() RETURNS INT AS
$$
DECLARE ver integer;
BEGIN
SELECT current_setting('server_version_num') INTO ver;
IF (ver >= 150000) THEN
return pgsm_create_15_view();
END IF;
IF (ver >= 140000) THEN
return pgsm_create_14_view();
END IF;
IF (ver >= 130000) THEN
return pgsm_create_13_view();
END IF;
IF (ver >= 110000) THEN
return pgsm_create_11_view();
END IF;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
SELECT pgsm_create_view();
REVOKE ALL ON FUNCTION pgsm_create_view FROM PUBLIC;
REVOKE ALL ON FUNCTION pgsm_create_11_view FROM PUBLIC;
REVOKE ALL ON FUNCTION pgsm_create_13_view FROM PUBLIC;
REVOKE ALL ON FUNCTION pgsm_create_14_view FROM PUBLIC;
REVOKE ALL ON FUNCTION pgsm_create_15_view FROM PUBLIC;
GRANT EXECUTE ON FUNCTION range TO PUBLIC;
GRANT EXECUTE ON FUNCTION decode_error_level TO PUBLIC;
GRANT EXECUTE ON FUNCTION get_histogram_timings TO PUBLIC;
GRANT EXECUTE ON FUNCTION get_cmd_type TO PUBLIC;
GRANT EXECUTE ON FUNCTION pg_stat_monitor_internal TO PUBLIC;
GRANT SELECT ON pg_stat_monitor TO PUBLIC;
-- Reset is only available to super user
REVOKE ALL ON FUNCTION pg_stat_monitor_reset FROM PUBLIC;