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

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This requires refactoring of code to add this functionality. Along with
that this patch contains regression test cases.
This commit is contained in:
Ibrar Ahmed
2021-03-12 18:55:12 +00:00
parent 8f69daa5dd
commit 066162c3f6
34 changed files with 10234 additions and 1173 deletions
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70
regression/sql/relations.sql
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@@ -1,15 +1,79 @@
CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
CREATE TABLE foo1(a int);
CREATE TABLE foo2(a int);
CREATE TABLE foo3(a int);
CREATE TABLE foo4(a int);
CREATE TABLE foo2(b int);
CREATE TABLE foo3(c int);
CREATE TABLE foo4(d int);
-- test the simple table names
SELECT pg_stat_monitor_reset();
SELECT * FROM foo1;
SELECT * FROM foo1, foo2;
SELECT * FROM foo1, foo2, foo3;
SELECT * FROM foo1, foo2, foo3, foo4;
SELECT query, relations from pg_stat_monitor ORDER BY query;
SELECT pg_stat_monitor_reset();
-- test the schema qualified table
CREATE schema sch1;
CREATE schema sch2;
CREATE schema sch3;
CREATE schema sch4;
CREATE TABLE sch1.foo1(a int);
CREATE TABLE sch2.foo2(b int);
CREATE TABLE sch3.foo3(c int);
CREATE TABLE sch4.foo4(d int);
SELECT pg_stat_monitor_reset();
SELECT * FROM sch1.foo1;
SELECT * FROM sch1.foo1, sch2.foo2;
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3;
SELECT * FROM sch1.foo1, sch2.foo2, sch3.foo3, sch4.foo4;
SELECT query, relations from pg_stat_monitor ORDER BY query;
SELECT pg_stat_monitor_reset();
SELECT pg_stat_monitor_reset();
SELECT * FROM sch1.foo1, foo1;
SELECT * FROM sch1.foo1, sch2.foo2, foo1, foo2;
SELECT query, relations from pg_stat_monitor ORDER BY query;
SELECT pg_stat_monitor_reset();
-- test the view
CREATE VIEW v1 AS SELECT * from foo1;
CREATE VIEW v2 AS SELECT * from foo1,foo2;
CREATE VIEW v3 AS SELECT * from foo1,foo2,foo3;
CREATE VIEW v4 AS SELECT * from foo1,foo2,foo3,foo4;
SELECT pg_stat_monitor_reset();
SELECT * FROM v1;
SELECT * FROM v1,v2;
SELECT * FROM v1,v2,v3;
SELECT * FROM v1,v2,v3,v4;
SELECT query, relations from pg_stat_monitor ORDER BY query;
SELECT pg_stat_monitor_reset();
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP VIEW v4;
DROP TABLE foo1;
DROP TABLE foo2;
DROP TABLE foo3;
DROP TABLE foo4;
DROP TABLE sch1.foo1;
DROP TABLE sch2.foo2;
DROP TABLE sch3.foo3;
DROP TABLE sch4.foo4;
DROP SCHEMA sch1;
DROP SCHEMA sch2;
DROP SCHEMA sch3;
DROP SCHEMA sch4;
DROP EXTENSION pg_stat_monitor;