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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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15
regression/expected/counters.out
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@@ -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