pg_stat_monitor/pg_stat_monitor--1.0.sql

143 lines
4.3 KiB
SQL

/* contrib/pg_stat_monitor/pg_stat_monitor--1.4.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_stat_monitor" to load this file. \quit
-- Register functions.
CREATE FUNCTION pg_stat_monitor_reset()
RETURNS void
AS 'MODULE_PATHNAME'
LANGUAGE C PARALLEL SAFE;
CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
OUT userid oid,
OUT dbid oid,
OUT queryid bigint,
OUT query text,
OUT calls int8,
OUT total_time float8,
OUT min_time float8,
OUT max_time float8,
OUT mean_time float8,
OUT stddev_time float8,
OUT rows int8,
OUT shared_blks_hit int8,
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 host int,
OUT hist_calls text,
OUT hist_min_time text,
OUT hist_max_time text,
OUT hist_mean_time text,
OUT slow_query text,
OUT cpu_user_time float8,
OUT cpu_sys_time float8
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_monitor_1_3'
LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
CREATE FUNCTION pg_stat_agg(
OUT queryid bigint,
OUT id bigint,
OUT type bigint,
OUT total_calls int,
OUT first_call_time timestamptz,
OUT last_call_time timestamptz)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_agg'
LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
-- Register a view on the function for ease of use.
CREATE VIEW pg_stat_monitor AS
SELECT * FROM pg_stat_monitor(true);
GRANT SELECT ON pg_stat_monitor TO PUBLIC;
CREATE VIEW pg_stat_agg_database AS
SELECT
agg.queryid,
agg.id AS dbid,
ss.userid,
'0.0.0.0'::inet + ss.host AS host,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
(string_to_array(hist_calls, ',')) hist_calls,
(string_to_array(hist_min_time, ',')) hist_min_time,
(string_to_array(hist_max_time, ',')) hist_max_time,
(string_to_array(hist_mean_time, ',')) hist_mean_time,
agg.first_call_time AS first_log_time,
agg.last_call_time AS last_log_time,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.slow_query
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time
FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 0;
CREATE VIEW pg_stat_agg_user AS
SELECT
agg.queryid,
agg.id AS dbid,
ss.userid,
'0.0.0.0'::inet + ss.host AS host,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
(string_to_array(hist_calls, ',')) hist_calls,
(string_to_array(hist_min_time, ',')) hist_min_time,
(string_to_array(hist_max_time, ',')) hist_max_time,
(string_to_array(hist_mean_time, ',')) hist_mean_time,
agg.first_call_time AS first_log_time,
agg.last_call_time AS last_log_time,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.slow_query
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 1;
CREATE VIEW pg_stat_agg_host AS
SELECT
agg.queryid,
agg.id AS dbid,
ss.userid,
'0.0.0.0'::inet + ss.host AS host,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
(string_to_array(hist_calls, ',')) hist_calls,
(string_to_array(hist_min_time, ',')) hist_min_time,
(string_to_array(hist_max_time, ',')) hist_max_time,
(string_to_array(hist_mean_time, ',')) hist_mean_time,
agg.first_call_time AS first_log_time,
agg.last_call_time AS last_log_time,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.slow_query
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT queryid, userid, query, host, min_time, max_time, mean_time, hist_calls, hist_min_time, hist_max_time,hist_mean_time,slow_query,cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 2;
GRANT SELECT ON pg_stat_agg_database TO PUBLIC;
-- Don't want this to be available to non-superusers.
REVOKE ALL ON FUNCTION pg_stat_monitor_reset() FROM PUBLIC;