external/pg_stat_monitor
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Issue(30): Code refactoring.

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This commit is contained in:
Ibrar Ahmed
2020-09-14 22:26:19 +00:00
parent 7613b1cb1c
commit 935d063f13
6 changed files with 554 additions and 713 deletions
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188
pg_stat_monitor--1.0.sql
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@@ -10,48 +10,48 @@ AS 'MODULE_PATHNAME'
LANGUAGE C PARALLEL SAFE;
CREATE FUNCTION pg_stat_monitor(IN showtext boolean,
OUT bucket int,
OUT userid oid,
OUT dbid oid,
OUT queryid text,
OUT query text,
OUT bucket_start_time timestamptz,
OUT bucket int,
OUT userid oid,
OUT dbid oid,
OUT client_ip bigint,
OUT queryid text,
OUT query text,
OUT bucket_start_time timestamptz,
OUT plan_calls int8,
OUT plan_total_time float8,
OUT plan_min_time float8,
OUT plan_max_time float8,
OUT plan_mean_time float8,
OUT plan_stddev_time float8,
OUT plan_rows int8,
OUT plan_calls int8,
OUT plan_total_time float8,
OUT plan_min_time float8,
OUT plan_max_time float8,
OUT plan_mean_time float8,
OUT plan_stddev_time float8,
OUT plan_rows int8,
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 total_calls int8,
OUT total_time float8,
OUT min_time float8,
OUT max_time float8,
OUT mean_time float8,
OUT stddev_time float8,
OUT effected_rows int8,
OUT shared_blks_hit int8,
OUT shared_blks_read 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 client_ip bigint,
OUT resp_calls text,
OUT cpu_user_time float8,
OUT cpu_sys_time float8,
OUT tables_names text
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 resp_calls text,
OUT cpu_user_time float8,
OUT cpu_sys_time float8,
OUT tables_names text
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_monitor'
@@ -90,37 +90,29 @@ CREATE VIEW pg_stat_monitor_settings AS SELECT
restart
FROM pg_stat_monitor_settings();
CREATE FUNCTION pg_stat_agg(
OUT queryid text,
OUT id bigint,
OUT type bigint,
OUT total_calls int)
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
bucket,
bucket_start_time,
userid,
dbid,
m.queryid,
'0.0.0.0'::inet + client_ip AS client_ip,
queryid,
query,
plan_calls,
round( CAST(plan_total_time as numeric), 2) as plan_total_time,
round( CAST(plan_min_time as numeric), 2) as plan_min_timei,
round( CAST(plan_max_time as numeric), 2) as plan_max_time,
round( CAST(plan_mean_time as numeric), 2) as plan_mean_time,
round( CAST(plan_stddev_time as numeric), 2) as plan_stddev_time,
round( CAST(plan_total_time as numeric), 2)::float8 as plan_total_time,
round( CAST(plan_min_time as numeric), 2)::float8 as plan_min_timei,
round( CAST(plan_max_time as numeric), 2)::float8 as plan_max_time,
round( CAST(plan_mean_time as numeric), 2)::float8 as plan_mean_time,
round( CAST(plan_stddev_time as numeric), 2)::float8 as plan_stddev_time,
plan_rows,
calls,
round( CAST(total_time as numeric), 2)as total_time,
round( CAST(min_time as numeric), 2)as min_time,
round( CAST(max_time as numeric), 2)as max_time,
round( CAST(mean_time as numeric), 2)as mean_time,
round( CAST(stddev_time as numeric), 2)as stddev_time,
rows,
total_calls,
round( CAST(total_time as numeric), 2)::float8 as total_time,
round( CAST(min_time as numeric), 2)::float8 as min_time,
round( CAST(max_time as numeric), 2)::float8 as max_time,
round( CAST(mean_time as numeric), 2)::float8 as mean_time,
round( CAST(stddev_time as numeric), 2)::float8 as stddev_time,
effected_rows,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
@@ -133,15 +125,11 @@ CREATE VIEW pg_stat_monitor AS SELECT
temp_blks_written,
blk_read_time,
blk_write_time,
client_ip as host,
'0.0.0.0'::inet + client_ip AS client_ip,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
(string_to_array(tables_names, ',')) tables_names,
wait_event,
wait_event_type
from pg_stat_monitor(true) m LEFT OUTER JOIN pg_stat_wait_events() w ON w.queryid = m.queryid;
(string_to_array(tables_names, ',')) tables_names
FROM pg_stat_monitor(TRUE);
-- Register a view on the function for ease of use.
@@ -152,77 +140,25 @@ CREATE VIEW pg_stat_wait_events AS SELECT
wait_event_type
FROM pg_stat_monitor(true) m, pg_stat_wait_events() w WHERE w.queryid = m.queryid;
GRANT SELECT ON pg_stat_wait_events TO PUBLIC;
GRANT SELECT ON pg_stat_monitor TO PUBLIC;
CREATE VIEW pg_stat_agg_database AS
/*CREATE VIEW pg_stat_monitor_db AS
SELECT
ss.bucket,
agg.queryid,
agg.id AS dbid,
ss.userid,
client_ip,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
ss.resp_calls,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.tables_names
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT bucket, queryid, dbid, userid, query, client_ip, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time
FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 0 AND id = dbid;
*
FROM pg_stat_monitor GROUP BY dbid;
CREATE VIEW pg_stat_agg_user AS
CREATE VIEW pg_stat_monitor_user AS
SELECT
ss.bucket,
agg.queryid,
agg.id AS dbid,
ss.userid,
client_ip,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
ss.resp_calls,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.tables_names
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT bucket, queryid, userid, query, client_ip, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 1 AND id = userid;
*
FROM pg_stat_monitor GROUP BY userid;
CREATE VIEW pg_stat_agg_ip AS
CREATE VIEW pg_stat_monitor_ip AS
SELECT
ss.bucket,
agg.queryid,
agg.id AS dbid,
ss.userid,
ss.client_ip,
ss.host,
agg.total_calls,
ss.min_time,
ss.max_time,
ss.mean_time,
ss.resp_calls,
ss.cpu_user_time,
ss.cpu_sys_time,
ss.query,
ss.tables_names
FROM pg_stat_agg() agg
INNER JOIN (SELECT DISTINCT bucket, queryid, userid, query, client_ip, host, min_time, max_time, mean_time, resp_calls, tables_names, cpu_user_time,cpu_sys_time FROM pg_stat_monitor) ss
ON agg.queryid = ss.queryid AND agg.type = 2 AND id = host;
*
FROM pg_stat_monitor GROUP BY client_ip;
GRANT SELECT ON pg_stat_agg_user TO PUBLIC;
GRANT SELECT ON pg_stat_agg_ip TO PUBLIC;
GRANT SELECT ON pg_stat_agg_database TO PUBLIC;
GRANT SELECT ON pg_stat_monitor_settings TO PUBLIC;
*/
-- Don't want this to be available to non-superusers.
REVOKE ALL ON FUNCTION pg_stat_monitor_reset() FROM PUBLIC;