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PG-186: Add support to monitor query execution plan.

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This commit is contained in:
Ibrar Ahmed
2021-03-17 18:56:39 +05:00
parent aa0ca050d5
commit e0fc683810
18 changed files with 499 additions and 533 deletions
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11
regression/expected/application_name.out
View File

@@ -12,12 +12,11 @@ SELECT 1 AS num;
(1 row)
SELECT query,application_name FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | application_name
--------------------------------------------------------------------------------+-----------------------------
SELECT $1 AS num | pg_regress/application_name
SELECT pg_stat_monitor_reset(); | pg_regress/application_name
SELECT query,application_name FROM pg_stat_monitor ORDER BY query COLLATE "C"; |
(3 rows)
query | application_name
---------------------------------+-----------------------------
SELECT $1 AS num | pg_regress/application_name
SELECT pg_stat_monitor_reset(); | pg_regress/application_name
(2 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

14
regression/expected/basic.out
View File

@@ -5,12 +5,6 @@ SELECT pg_stat_monitor_reset();
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT 1 AS num;
num
-----
@@ -18,13 +12,11 @@ SELECT 1 AS num;
(1 row)
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C";
query
---------------------------------------------------------------
query
---------------------------------
SELECT $1 AS num
SELECT pg_stat_monitor_reset();
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C";
select pg_sleep($1)
(4 rows)
(2 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

30
regression/expected/cmd_type.out
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@@ -6,6 +6,7 @@ SELECT pg_stat_monitor_reset();
(1 row)
CREATE TABLE t1 (a INTEGER);
CREATE TABLE t2 (b INTEGER);
INSERT INTO t1 VALUES(1);
SELECT a FROM t1;
a
@@ -15,26 +16,27 @@ SELECT a FROM t1;
UPDATE t1 SET a = 2;
DELETE FROM t1;
SELECT a FROM t1 FOR UPDATE;
a
SELECT b FROM t2 FOR UPDATE;
b
---
(0 rows)
TRUNCATE t1;
DROP TABLE t1;
SELECT query, cmd_type, cmd_type_text FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | cmd_type | cmd_type_text
-----------------------------------------------------------------------------------------+----------+---------------
CREATE TABLE t1 (a INTEGER); | 0 |
DELETE FROM t1; | 4 | DELETE
DROP TABLE t1; | 0 |
INSERT INTO t1 VALUES($1) | 3 | INSERT
SELECT a FROM t1; | 1 | SELECT
SELECT pg_stat_monitor_reset(); | 1 | SELECT
SELECT query, cmd_type, cmd_type_text FROM pg_stat_monitor ORDER BY query COLLATE "C"; | 0 |
TRUNCATE t1; | 0 |
UPDATE t1 SET a = $1 | 2 | UPDATE
(9 rows)
query | cmd_type | cmd_type_text
---------------------------------+----------+---------------
CREATE TABLE t1 (a INTEGER); | 0 |
CREATE TABLE t2 (b INTEGER); | 0 |
DELETE FROM t1; | 4 | DELETE
DROP TABLE t1; | 0 |
INSERT INTO t1 VALUES($1) | 3 | INSERT
SELECT a FROM t1; | 1 | SELECT
SELECT b FROM t2 FOR UPDATE; | 1 | SELECT
SELECT pg_stat_monitor_reset(); | 1 | SELECT
TRUNCATE t1; | 0 |
UPDATE t1 SET a = $1 | 2 | UPDATE
(10 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

15
regression/expected/counters.out
View File

@@ -1,4 +1,10 @@
CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
CREATE TABLE t1 (a INTEGER);
CREATE TABLE t2 (b INTEGER);
CREATE TABLE t3 (c INTEGER);
@@ -34,8 +40,7 @@ SELECT query,calls FROM pg_stat_monitor ORDER BY query COLLATE "C";
----------------------------------------------------------------------------------+-------
SELECT a,b,c,d FROM t1, t2, t3, t4 WHERE t1.a = t2.b AND t3.c = t4.d ORDER BY a; | 4
SELECT pg_stat_monitor_reset(); | 1
SELECT query,calls FROM pg_stat_monitor ORDER BY query COLLATE "C"; | 1
(3 rows)
(2 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
@@ -62,12 +67,8 @@ end $$;
SELECT query,calls FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls
---------------------------------------------------------------------------------------------------+-------
SELECT $1 AS num | 1
SELECT a,b,c,d FROM t1, t2, t3, t4 WHERE t1.a = t2.b AND t3.c = t4.d ORDER BY a; | 1000
SELECT n + $3 | 1
SELECT n = $3 | 1
SELECT pg_stat_monitor_reset(); | 1
SELECT query,calls FROM pg_stat_monitor ORDER BY query COLLATE "C"; | 1
do $$ +| 1
declare +|
n integer:= 1; +|
@@ -78,7 +79,7 @@ SELECT query,calls FROM pg_stat_monitor ORDER BY query COLLATE "C";
n := n + 1; +|
end loop; +|
end $$; |
(7 rows)
(3 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

7
regression/expected/database.out
View File

@@ -28,13 +28,12 @@ SELECT * FROM t3,t4 WHERE t3.c = t4.d;
\c contrib_regression
SELECT datname, query FROM pg_stat_monitor ORDER BY query COLLATE "C";
datname | query
--------------------+------------------------------------------------------------------------
datname | query
--------------------+----------------------------------------
db1 | SELECT * FROM t1,t2 WHERE t1.a = t2.b;
db2 | SELECT * FROM t3,t4 WHERE t3.c = t4.d;
contrib_regression | SELECT datname, query FROM pg_stat_monitor ORDER BY query COLLATE "C";
contrib_regression | SELECT pg_stat_monitor_reset();
(4 rows)
(3 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

24
regression/expected/error.out
View File

@@ -21,19 +21,17 @@ RAISE WARNING 'warning message';
END $$;
WARNING: warning message
SELECT query, elevel,sqlcode, message FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | elevel | sqlcode | message
----------------------------------------------------------------------------------------+--------+---------+-----------------------------------
ELECET * FROM unknown; | 20 | 42601 | syntax error at or near "ELECET"
SELECT $1/$2 | 0 | |
SELECT * FROM unknown; | 20 | 42P01 | relation "unknown" does not exist
SELECT 1/0; | 20 | 22012 | division by zero
SELECT pg_stat_monitor_reset(); | 0 | |
SELECT query, elevel,sqlcode, message FROM pg_stat_monitor ORDER BY query COLLATE "C"; | 0 | |
do $$ +| 19 | 01000 | warning message
BEGIN +| | |
RAISE WARNING 'warning message'; +| | |
END $$; | | |
(7 rows)
query | elevel | sqlcode | message
----------------------------------+--------+---------+-----------------------------------
ELECET * FROM unknown; | 20 | 42601 | syntax error at or near "ELECET"
SELECT * FROM unknown; | 20 | 42P01 | relation "unknown" does not exist
SELECT 1/0; | 20 | 22012 | division by zero
SELECT pg_stat_monitor_reset(); | 0 | |
do $$ +| 19 | 01000 | warning message
BEGIN +| | |
RAISE WARNING 'warning message';+| | |
END $$; | | |
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

64
regression/expected/relations.out
View File

@@ -37,15 +37,14 @@ SELECT * FROM foo1, foo2, foo3, foo4;
(0 rows)
SELECT query, relations from pg_stat_monitor ORDER BY query;
query | relations
--------------------------------------------------------------+---------------------------------------------------
SELECT * FROM foo1, foo2, foo3, foo4; | {public.foo1,public.foo2,public.foo3,public.foo4}
SELECT * FROM foo1, foo2, foo3; | {public.foo1,public.foo2,public.foo3}
SELECT * FROM foo1, foo2; | {public.foo1,public.foo2}
SELECT * FROM foo1; | {public.foo1}
SELECT pg_stat_monitor_reset(); |
SELECT query, relations from pg_stat_monitor ORDER BY query; |
(6 rows)
query | relations
---------------------------------------+---------------------------------------------------
SELECT * FROM foo1, foo2, foo3, foo4; | {public.foo1,public.foo2,public.foo3,public.foo4}
SELECT * FROM foo1, foo2, foo3; | {public.foo1,public.foo2,public.foo3}
SELECT * FROM foo1, foo2; | {public.foo1,public.foo2}
SELECT * FROM foo1; | {public.foo1}
SELECT pg_stat_monitor_reset(); |
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
@@ -89,15 +88,14 @@ SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3, sch4.foo4;
(0 rows)
SELECT query, relations from pg_stat_monitor ORDER BY query;
query | relations
--------------------------------------------------------------+-------------------------------------------
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3, sch4.foo4; | {sch1.foo1,sch2.foo2,sch3.foo3,sch4.foo4}
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3; | {sch1.foo1,sch2.foo2,sch3.foo3}
SELECT * FROM sch1.foo1, sch2.foo2; | {sch1.foo1,sch2.foo2}
SELECT * FROM sch1.foo1; | {sch1.foo1}
SELECT pg_stat_monitor_reset(); |
SELECT query, relations from pg_stat_monitor ORDER BY query; |
(6 rows)
query | relations
-----------------------------------------------------------+-------------------------------------------
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3, sch4.foo4; | {sch1.foo1,sch2.foo2,sch3.foo3,sch4.foo4}
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3; | {sch1.foo1,sch2.foo2,sch3.foo3}
SELECT * FROM sch1.foo1, sch2.foo2; | {sch1.foo1,sch2.foo2}
SELECT * FROM sch1.foo1; | {sch1.foo1}
SELECT pg_stat_monitor_reset(); |
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
@@ -122,13 +120,12 @@ SELECT * FROM sch1.foo1, sch2.foo2, foo1, foo2;
(0 rows)
SELECT query, relations from pg_stat_monitor ORDER BY query;
query | relations
--------------------------------------------------------------+-----------------------------------------------
SELECT * FROM sch1.foo1, foo1; | {sch1.foo1,public.foo1}
SELECT * FROM sch1.foo1, sch2.foo2, foo1, foo2; | {sch1.foo1,sch2.foo2,public.foo1,public.foo2}
SELECT pg_stat_monitor_reset(); |
SELECT query, relations from pg_stat_monitor ORDER BY query; |
(4 rows)
query | relations
-------------------------------------------------+-----------------------------------------------
SELECT * FROM sch1.foo1, foo1; | {sch1.foo1,public.foo1}
SELECT * FROM sch1.foo1, sch2.foo2, foo1, foo2; | {sch1.foo1,sch2.foo2,public.foo1,public.foo2}
SELECT pg_stat_monitor_reset(); |
(3 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
@@ -168,15 +165,14 @@ SELECT * FROM v1,v2,v3,v4;
(0 rows)
SELECT query, relations from pg_stat_monitor ORDER BY query;
query | relations
--------------------------------------------------------------+-----------------------------------------------------------------------------------------------
SELECT * FROM v1,v2,v3,v4; | {public.v1*,public.foo1,public.v2*,public.foo2,public.v3*,public.foo3,public.v4*,public.foo4}
SELECT * FROM v1,v2,v3; | {public.v1*,public.foo1,public.v2*,public.foo2,public.v3*,public.foo3}
SELECT * FROM v1,v2; | {public.v1*,public.foo1,public.v2*,public.foo2}
SELECT * FROM v1; | {public.v1*,public.foo1}
SELECT pg_stat_monitor_reset(); |
SELECT query, relations from pg_stat_monitor ORDER BY query; |
(6 rows)
query | relations
---------------------------------+-----------------------------------------------------------------------------------------------
SELECT * FROM v1,v2,v3,v4; | {public.v1*,public.foo1,public.v2*,public.foo2,public.v3*,public.foo3,public.v4*,public.foo4}
SELECT * FROM v1,v2,v3; | {public.v1*,public.foo1,public.v2*,public.foo2,public.v3*,public.foo3}
SELECT * FROM v1,v2; | {public.v1*,public.foo1,public.v2*,public.foo2}
SELECT * FROM v1; | {public.v1*,public.foo1}
SELECT pg_stat_monitor_reset(); |
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

18
regression/expected/rows.out
View File

@@ -1,6 +1,7 @@
CREATE EXTENSION pg_stat_monitor;
CREATE TABLE t1(a int);
CREATE TABLE t2(b int);
ERROR: relation "t2" already exists
INSERT INTO t1 VALUES(generate_series(1,1000));
INSERT INTO t2 VALUES(generate_series(1,5000));
SELECT pg_stat_monitor_reset();
@@ -8540,15 +8541,14 @@ SELECt * FROM t2 WHERE b % 2 = 0;
(2500 rows)
SELECT query, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | rows
---------------------------------------------------------------------+------
SELECT * FROM t1 LIMIT $1 | 10
SELECT * FROM t1; | 1000
SELECT * FROM t2; | 5000
SELECT pg_stat_monitor_reset(); | 1
SELECT query, rows FROM pg_stat_monitor ORDER BY query COLLATE "C"; | 0
SELECt * FROM t2 WHERE b % $1 = $2 | 2500
(6 rows)
query | rows
-------------------------------------+------
SELECT * FROM t1 LIMIT $1 | 10
SELECT * FROM t1; | 1000
SELECT b FROM t2 FOR UPDATE; | 5000
SELECT pg_stat_monitor_reset(); | 1
SELECt * FROM t2 WHERE b % $1 = $2 | 2500
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

36
regression/expected/top_query.out
View File

@@ -23,25 +23,23 @@ SELECT add2(1,2);
(1 row)
SELECT query, top_query FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | top_query
--------------------------------------------------------------------------+--------------------
CREATE OR REPLACE FUNCTION add(int, int) RETURNS INTEGER AS +|
$$ +|
BEGIN +|
return (select $1 + $2); +|
END; $$ language plpgsql; |
CREATE OR REPLACE function add2(int, int) RETURNS int as +|
$$ +|
BEGIN +|
return add($1,$2); +|
END; +|
$$ language plpgsql; |
SELECT (select $1 + $2) | SELECT add2($1,$2)
SELECT add($1,$2) |
SELECT add2($1,$2) |
SELECT pg_stat_monitor_reset(); |
SELECT query, top_query FROM pg_stat_monitor ORDER BY query COLLATE "C"; |
(7 rows)
query | top_query
-------------------------------------------------------------+--------------------
CREATE OR REPLACE FUNCTION add(int, int) RETURNS INTEGER AS+|
$$ +|
BEGIN +|
return (select $1 + $2); +|
END; $$ language plpgsql; |
CREATE OR REPLACE function add2(int, int) RETURNS int as +|
$$ +|
BEGIN +|
return add($1,$2); +|
END; +|
$$ language plpgsql; |
SELECT (select $1 + $2) | SELECT add2($1,$2)
SELECT add2($1,$2) |
SELECT pg_stat_monitor_reset(); |
(5 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset

7
regression/expected/user.out
View File

@@ -27,18 +27,17 @@ SELECT * FROM t2;
SET ROLE su;
SELECT userid, query FROM pg_stat_monitor ORDER BY query COLLATE "C";
userid | query
--------+-----------------------------------------------------------------------
userid | query
--------+---------------------------------
u1 | CREATE TABLE t1 (a int);
u2 | CREATE TABLE t2 (a int);
u1 | SELECT * FROM t1;
u2 | SELECT * FROM t2;
su | SELECT pg_stat_monitor_reset();
su | SELECT userid, query FROM pg_stat_monitor ORDER BY query COLLATE "C";
su | SET ROLE su;
u1 | SET ROLE u1;
u2 | SET ROLE u2;
(9 rows)
(8 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset