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PG-183. Move tests to separate directory

pull/75/head
Mikhail Samoylov 2021-02-20 23:17:34 +03:00
parent f8b13d706a
commit 2e3cba343f
13 changed files with 1330 additions and 1 deletions
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2
Makefile
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@ -10,7 +10,7 @@ PGFILEDESC = "pg_stat_monitor - execution statistics of SQL statements"
LDFLAGS_SL += $(filter -lm, $(LIBS)) LDFLAGS_SL += $(filter -lm, $(LIBS))
REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/pg_stat_monitor/pg_stat_monitor.conf REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/pg_stat_monitor/pg_stat_monitor.conf --inputdir=regression
REGRESS = guc relations basic pg_stat_monitor REGRESS = guc relations basic pg_stat_monitor
# Disabled because these tests require "shared_preload_libraries=pg_stat_statements", # Disabled because these tests require "shared_preload_libraries=pg_stat_statements",

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regression/expected/basic.out Normal file
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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT 1;
?column?
----------
1
(1 row)
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C";
query
--------------------------------
SELECT $1
SELECT pg_stat_monitor_reset()
select pg_sleep($1)
(3 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;

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regression/expected/basic_1.out Normal file
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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT 1;
?column?
----------
1
(1 row)
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C";
query
--------------------------------------------------------------
SELECT $1
SELECT pg_stat_monitor_reset()
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C"
select pg_sleep($1)
(4 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;

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regression/expected/guc.out Normal file
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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT * FROM pg_stat_monitor_settings ORDER BY name COLLATE "C";
name | value | default_value | description | minimum | maximum | restart
------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+---------
pg_stat_monitor.pgsm_bucket_time | 300 | 300 | Sets the time in seconds per bucket. | 1 | 2147483647 | 1
pg_stat_monitor.pgsm_enable | 1 | 1 | Enable/Disable statistics collector. | 0 | 0 | 0
pg_stat_monitor.pgsm_histogram_buckets | 10 | 10 | Sets the maximum number of histogram buckets | 2 | 2147483647 | 1
pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | 1
pg_stat_monitor.pgsm_histogram_min | 0 | 0 | Sets the time in millisecond. | 0 | 2147483647 | 1
pg_stat_monitor.pgsm_max | 100 | 100 | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor. | 1 | 1000 | 1
pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | 1
pg_stat_monitor.pgsm_normalized_query | 1 | 1 | Selects whether save query in normalized format. | 0 | 0 | 0
pg_stat_monitor.pgsm_overflow_target | 0 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | 1
pg_stat_monitor.pgsm_query_max_len | 1024 | 1024 | Sets the maximum length of query. | 1024 | 2147483647 | 1
pg_stat_monitor.pgsm_query_shared_buffer | 20 | 20 | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor. | 1 | 10000 | 1
pg_stat_monitor.pgsm_track_utility | 1 | 1 | Selects whether utility commands are tracked. | 0 | 0 | 0
(12 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;

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regression/expected/guc_1.out Normal file
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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
select pg_sleep(.5);
pg_sleep
----------
(1 row)
SELECT * FROM pg_stat_monitor_settings ORDER BY name COLLATE "C";
name | value | default_value | description | minimum | maximum | restart
------------------------------------------+--------+---------------+----------------------------------------------------------------------------------------------------------+---------+------------+---------
pg_stat_monitor.pgsm_bucket_time | 300 | 300 | Sets the time in seconds per bucket. | 1 | 2147483647 | 1
pg_stat_monitor.pgsm_enable | 1 | 1 | Enable/Disable statistics collector. | 0 | 0 | 0
pg_stat_monitor.pgsm_histogram_buckets | 10 | 10 | Sets the maximum number of histogram buckets | 2 | 2147483647 | 1
pg_stat_monitor.pgsm_histogram_max | 100000 | 100000 | Sets the time in millisecond. | 10 | 2147483647 | 1
pg_stat_monitor.pgsm_histogram_min | 0 | 0 | Sets the time in millisecond. | 0 | 2147483647 | 1
pg_stat_monitor.pgsm_max | 100 | 100 | Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor. | 1 | 1000 | 1
pg_stat_monitor.pgsm_max_buckets | 10 | 10 | Sets the maximum number of buckets. | 1 | 10 | 1
pg_stat_monitor.pgsm_normalized_query | 1 | 1 | Selects whether save query in normalized format. | 0 | 0 | 0
pg_stat_monitor.pgsm_overflow_target | 1 | 1 | Sets the overflow target for pg_stat_monitor | 0 | 1 | 1
pg_stat_monitor.pgsm_query_max_len | 1024 | 1024 | Sets the maximum length of query. | 1024 | 2147483647 | 1
pg_stat_monitor.pgsm_query_shared_buffer | 20 | 20 | Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor. | 1 | 10000 | 1
pg_stat_monitor.pgsm_track_planning | 0 | 1 | Selects whether planning statistics are tracked. | 0 | 0 | 0
pg_stat_monitor.pgsm_track_utility | 1 | 1 | Selects whether utility commands are tracked. | 0 | 0 | 0
(13 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP EXTENSION pg_stat_monitor;

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regression/expected/pg_stat_monitor.out Normal file
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CREATE EXTENSION pg_stat_monitor;
--
-- simple and compound statements
--
SET pg_stat_monitor.track_utility = FALSE;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1 AS "int";
int
-----
1
(1 row)
SELECT 'hello'
-- multiline
AS "text";
text
-------
hello
(1 row)
SELECT 'world' AS "text";
text
-------
world
(1 row)
-- transaction
BEGIN;
SELECT 1 AS "int";
int
-----
1
(1 row)
SELECT 'hello' AS "text";
text
-------
hello
(1 row)
COMMIT;
-- compound transaction
BEGIN \;
SELECT 2.0 AS "float" \;
SELECT 'world' AS "text" \;
COMMIT;
-- compound with empty statements and spurious leading spacing
\;\; SELECT 3 + 3 \;\;\; SELECT ' ' || ' !' \;\; SELECT 1 + 4 \;;
?column?
----------
5
(1 row)
-- non ;-terminated statements
SELECT 1 + 1 + 1 AS "add" \gset
SELECT :add + 1 + 1 AS "add" \;
SELECT :add + 1 + 1 AS "add" \gset
-- set operator
SELECT 1 AS i UNION SELECT 2 ORDER BY i;
i
---
1
2
(2 rows)
-- ? operator
select '{"a":1, "b":2}'::jsonb ? 'b';
?column?
----------
t
(1 row)
-- cte
WITH t(f) AS (
VALUES (1.0), (2.0)
)
SELECT f FROM t ORDER BY f;
f
-----
1.0
2.0
(2 rows)
-- prepared statement with parameter
PREPARE pgss_test (int) AS SELECT $1, 'test' LIMIT 1;
EXECUTE pgss_test(1);
?column? | ?column?
----------+----------
1 | test
(1 row)
DEALLOCATE pgss_test;
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------+-------+------
BEGIN | 2 | 0
COMMIT | 2 | 0
PREPARE pgss_test (int) AS SELECT $1, $2 LIMIT $3 | 1 | 1
SELECT $1 | 2 | 2
SELECT $1 +| 4 | 4
+| |
AS "text" | |
SELECT $1 + $2 | 2 | 2
SELECT $1 + $2 + $3 AS "add" | 3 | 3
SELECT $1 AS "float" | 1 | 1
SELECT $1 AS i UNION SELECT $2 ORDER BY i | 1 | 2
SELECT $1 || $2 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
WITH t(f) AS ( +| 1 | 2
VALUES ($1), ($2) +| |
) +| |
SELECT f FROM t ORDER BY f | |
select $1::jsonb ? $2 | 1 | 1
(13 rows)
--
-- CRUD: INSERT SELECT UPDATE DELETE on test table
--
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
-- utility "create table" should not be shown
CREATE TEMP TABLE test (a int, b char(20));
INSERT INTO test VALUES(generate_series(1, 10), 'aaa');
UPDATE test SET b = 'bbb' WHERE a > 7;
DELETE FROM test WHERE a > 9;
-- explicit transaction
BEGIN;
UPDATE test SET b = '111' WHERE a = 1 ;
COMMIT;
BEGIN \;
UPDATE test SET b = '222' WHERE a = 2 \;
COMMIT ;
UPDATE test SET b = '333' WHERE a = 3 \;
UPDATE test SET b = '444' WHERE a = 4 ;
BEGIN \;
UPDATE test SET b = '555' WHERE a = 5 \;
UPDATE test SET b = '666' WHERE a = 6 \;
COMMIT ;
-- many INSERT values
INSERT INTO test (a, b) VALUES (1, 'a'), (2, 'b'), (3, 'c');
-- SELECT with constants
SELECT * FROM test WHERE a > 5 ORDER BY a ;
a | b
---+----------------------
6 | 666
7 | aaa
8 | bbb
9 | bbb
(4 rows)
SELECT *
FROM test
WHERE a > 9
ORDER BY a ;
a | b
---+---
(0 rows)
-- SELECT without constants
SELECT * FROM test ORDER BY a;
a | b
---+----------------------
1 | a
1 | 111
2 | b
2 | 222
3 | c
3 | 333
4 | 444
5 | 555
6 | 666
7 | aaa
8 | bbb
9 | bbb
(12 rows)
-- SELECT with IN clause
SELECT * FROM test WHERE a IN (1, 2, 3, 4, 5);
a | b
---+----------------------
1 | 111
2 | 222
3 | 333
4 | 444
5 | 555
1 | a
2 | b
3 | c
(8 rows)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
-------------------------------------------------------------+-------+------
BEGIN | 3 | 0
COMMIT | 3 | 0
CREATE TEMP TABLE test (a int, b char(20)) | 1 | 0
DELETE FROM test WHERE a > $1 | 1 | 1
INSERT INTO test (a, b) VALUES ($1, $2), ($3, $4), ($5, $6) | 1 | 3
INSERT INTO test VALUES(generate_series($1, $2), $3) | 1 | 10
SELECT * FROM test ORDER BY a | 1 | 12
SELECT * FROM test WHERE a > $1 ORDER BY a | 2 | 4
SELECT * FROM test WHERE a IN ($1, $2, $3, $4, $5) | 1 | 8
SELECT pg_stat_monitor_reset() | 1 | 1
UPDATE test SET b = $1 WHERE a = $2 | 6 | 6
UPDATE test SET b = $1 WHERE a > $2 | 1 | 3
(12 rows)
--
-- pg_stat_monitor.track = none
--
SET pg_stat_monitor.track = 'none';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1 AS "one";
one
-----
1
(1 row)
SELECT 1 + 1 AS "two";
two
-----
2
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
--------------------------------+-------+------
SELECT $1 | 1 | 1
SELECT $1 + $2 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
(3 rows)
--
-- pg_stat_monitor.track = top
--
SET pg_stat_monitor.track = 'top';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DO LANGUAGE plpgsql $$
BEGIN
-- this is a SELECT
PERFORM 'hello world'::TEXT;
END;
$$;
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(3);
plus_two
----------
5
(1 row)
SELECT PLUS_TWO(7);
plus_two
----------
9
(1 row)
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(8);
plus_one
----------
9
(1 row)
SELECT PLUS_ONE(10);
plus_one
----------
11
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
-----------------------------------------------------------+-------+------
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS +| 1 | 0
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL | |
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$+| 1 | 0
DECLARE +| |
r INTEGER; +| |
BEGIN +| |
SELECT (i + 1 + 1.0)::INTEGER INTO r; +| |
RETURN r; +| |
END; $$ LANGUAGE plpgsql | |
DO LANGUAGE plpgsql $$ +| 1 | 0
BEGIN +| |
-- this is a SELECT +| |
PERFORM 'hello world'::TEXT; +| |
END; +| |
$$ | |
SELECT $1 +| 1 | 1
+| |
AS "text" | |
SELECT (i + $2 + $3)::INTEGER | 2 | 2
SELECT (i + $2)::INTEGER LIMIT $3 | 2 | 2
SELECT PLUS_ONE($1) | 2 | 2
SELECT PLUS_TWO($1) | 2 | 2
SELECT pg_stat_monitor_reset() | 1 | 1
(9 rows)
--
-- pg_stat_monitor.track = all
--
SET pg_stat_monitor.track = 'all';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
-- we drop and recreate the functions to avoid any caching funnies
DROP FUNCTION PLUS_ONE(INTEGER);
DROP FUNCTION PLUS_TWO(INTEGER);
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(-1);
plus_two
----------
1
(1 row)
SELECT PLUS_TWO(2);
plus_two
----------
4
(1 row)
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(3);
plus_one
----------
4
(1 row)
SELECT PLUS_ONE(1);
plus_one
----------
2
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
-----------------------------------------------------------+-------+------
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS +| 1 | 0
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL | |
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$+| 1 | 0
DECLARE +| |
r INTEGER; +| |
BEGIN +| |
SELECT (i + 1 + 1.0)::INTEGER INTO r; +| |
RETURN r; +| |
END; $$ LANGUAGE plpgsql | |
DROP FUNCTION PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_TWO(INTEGER) | 1 | 0
SELECT (i + $2 + $3)::INTEGER | 2 | 2
SELECT (i + $2)::INTEGER LIMIT $3 | 2 | 2
SELECT PLUS_ONE($1) | 2 | 2
SELECT PLUS_TWO($1) | 2 | 2
SELECT pg_stat_monitor_reset() | 1 | 1
(9 rows)
--
-- utility commands
--
SET pg_stat_monitor.track_utility = TRUE;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1;
?column?
----------
1
(1 row)
CREATE INDEX test_b ON test(b);
DROP TABLE test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION PLUS_ONE(INTEGER);
NOTICE: table "test" does not exist, skipping
DROP TABLE IF EXISTS test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION IF EXISTS PLUS_ONE(INTEGER);
NOTICE: table "test" does not exist, skipping
NOTICE: table "test" does not exist, skipping
NOTICE: function plus_one(pg_catalog.int4) does not exist, skipping
DROP FUNCTION PLUS_TWO(INTEGER);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
-------------------------------------------+-------+------
CREATE INDEX test_b ON test(b) | 1 | 0
DROP FUNCTION IF EXISTS PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_TWO(INTEGER) | 1 | 0
DROP TABLE IF EXISTS test | 3 | 0
DROP TABLE test | 1 | 0
SELECT $1 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
(8 rows)
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
--
-- simple and compound statements
--
SET pg_stat_monitor.track_utility = FALSE;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1 AS "int";
int
-----
1
(1 row)
SELECT 'hello'
-- multiline
AS "text";
text
-------
hello
(1 row)
SELECT 'world' AS "text";
text
-------
world
(1 row)
-- transaction
BEGIN;
SELECT 1 AS "int";
int
-----
1
(1 row)
SELECT 'hello' AS "text";
text
-------
hello
(1 row)
COMMIT;
-- compound transaction
BEGIN \;
SELECT 2.0 AS "float" \;
SELECT 'world' AS "text" \;
COMMIT;
-- compound with empty statements and spurious leading spacing
\;\; SELECT 3 + 3 \;\;\; SELECT ' ' || ' !' \;\; SELECT 1 + 4 \;;
?column?
----------
5
(1 row)
-- non ;-terminated statements
SELECT 1 + 1 + 1 AS "add" \gset
SELECT :add + 1 + 1 AS "add" \;
SELECT :add + 1 + 1 AS "add" \gset
-- set operator
SELECT 1 AS i UNION SELECT 2 ORDER BY i;
i
---
1
2
(2 rows)
-- ? operator
select '{"a":1, "b":2}'::jsonb ? 'b';
?column?
----------
t
(1 row)
-- cte
WITH t(f) AS (
VALUES (1.0), (2.0)
)
SELECT f FROM t ORDER BY f;
f
-----
1.0
2.0
(2 rows)
-- prepared statement with parameter
PREPARE pgss_test (int) AS SELECT $1, 'test' LIMIT 1;
EXECUTE pgss_test(1);
?column? | ?column?
----------+----------
1 | test
(1 row)
DEALLOCATE pgss_test;
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
BEGIN | 2 | 0
COMMIT | 2 | 0
PREPARE pgss_test (int) AS SELECT $1, $2 LIMIT $3 | 1 | 1
SELECT $1 | 2 | 2
SELECT $1 +| 4 | 4
+| |
AS "text" | |
SELECT $1 + $2 | 2 | 2
SELECT $1 + $2 + $3 AS "add" | 3 | 3
SELECT $1 AS "float" | 1 | 1
SELECT $1 AS i UNION SELECT $2 ORDER BY i | 1 | 2
SELECT $1 || $2 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
WITH t(f) AS ( +| 1 | 2
VALUES ($1), ($2) +| |
) +| |
SELECT f FROM t ORDER BY f | |
select $1::jsonb ? $2 | 1 | 1
(14 rows)
--
-- CRUD: INSERT SELECT UPDATE DELETE on test table
--
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
-- utility "create table" should not be shown
CREATE TEMP TABLE test (a int, b char(20));
INSERT INTO test VALUES(generate_series(1, 10), 'aaa');
UPDATE test SET b = 'bbb' WHERE a > 7;
DELETE FROM test WHERE a > 9;
-- explicit transaction
BEGIN;
UPDATE test SET b = '111' WHERE a = 1 ;
COMMIT;
BEGIN \;
UPDATE test SET b = '222' WHERE a = 2 \;
COMMIT ;
UPDATE test SET b = '333' WHERE a = 3 \;
UPDATE test SET b = '444' WHERE a = 4 ;
BEGIN \;
UPDATE test SET b = '555' WHERE a = 5 \;
UPDATE test SET b = '666' WHERE a = 6 \;
COMMIT ;
-- many INSERT values
INSERT INTO test (a, b) VALUES (1, 'a'), (2, 'b'), (3, 'c');
-- SELECT with constants
SELECT * FROM test WHERE a > 5 ORDER BY a ;
a | b
---+----------------------
6 | 666
7 | aaa
8 | bbb
9 | bbb
(4 rows)
SELECT *
FROM test
WHERE a > 9
ORDER BY a ;
a | b
---+---
(0 rows)
-- SELECT without constants
SELECT * FROM test ORDER BY a;
a | b
---+----------------------
1 | a
1 | 111
2 | b
2 | 222
3 | c
3 | 333
4 | 444
5 | 555
6 | 666
7 | aaa
8 | bbb
9 | bbb
(12 rows)
-- SELECT with IN clause
SELECT * FROM test WHERE a IN (1, 2, 3, 4, 5);
a | b
---+----------------------
1 | 111
2 | 222
3 | 333
4 | 444
5 | 555
1 | a
2 | b
3 | c
(8 rows)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
BEGIN | 3 | 0
COMMIT | 3 | 0
CREATE TEMP TABLE test (a int, b char(20)) | 1 | 0
DELETE FROM test WHERE a > $1 | 1 | 1
INSERT INTO test (a, b) VALUES ($1, $2), ($3, $4), ($5, $6) | 1 | 3
INSERT INTO test VALUES(generate_series($1, $2), $3) | 1 | 10
SELECT * FROM test ORDER BY a | 1 | 12
SELECT * FROM test WHERE a > $1 ORDER BY a | 2 | 4
SELECT * FROM test WHERE a IN ($1, $2, $3, $4, $5) | 1 | 8
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
UPDATE test SET b = $1 WHERE a = $2 | 6 | 6
UPDATE test SET b = $1 WHERE a > $2 | 1 | 3
(13 rows)
--
-- pg_stat_monitor.track = none
--
SET pg_stat_monitor.track = 'none';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1 AS "one";
one
-----
1
(1 row)
SELECT 1 + 1 AS "two";
two
-----
2
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
SELECT $1 | 1 | 1
SELECT $1 + $2 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
(4 rows)
--
-- pg_stat_monitor.track = top
--
SET pg_stat_monitor.track = 'top';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DO LANGUAGE plpgsql $$
BEGIN
-- this is a SELECT
PERFORM 'hello world'::TEXT;
END;
$$;
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(3);
plus_two
----------
5
(1 row)
SELECT PLUS_TWO(7);
plus_two
----------
9
(1 row)
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(8);
plus_one
----------
9
(1 row)
SELECT PLUS_ONE(10);
plus_one
----------
11
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS +| 1 | 0
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL | |
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$ +| 1 | 0
DECLARE +| |
r INTEGER; +| |
BEGIN +| |
SELECT (i + 1 + 1.0)::INTEGER INTO r; +| |
RETURN r; +| |
END; $$ LANGUAGE plpgsql | |
DO LANGUAGE plpgsql $$ +| 1 | 0
BEGIN +| |
-- this is a SELECT +| |
PERFORM 'hello world'::TEXT; +| |
END; +| |
$$ | |
SELECT $1 +| 1 | 1
+| |
AS "text" | |
SELECT (i + $2 + $3)::INTEGER | 2 | 2
SELECT (i + $2)::INTEGER LIMIT $3 | 2 | 2
SELECT PLUS_ONE($1) | 2 | 2
SELECT PLUS_TWO($1) | 2 | 2
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
(10 rows)
--
-- pg_stat_monitor.track = all
--
SET pg_stat_monitor.track = 'all';
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
-- we drop and recreate the functions to avoid any caching funnies
DROP FUNCTION PLUS_ONE(INTEGER);
DROP FUNCTION PLUS_TWO(INTEGER);
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(-1);
plus_two
----------
1
(1 row)
SELECT PLUS_TWO(2);
plus_two
----------
4
(1 row)
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(3);
plus_one
----------
4
(1 row)
SELECT PLUS_ONE(1);
plus_one
----------
2
(1 row)
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS +| 1 | 0
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL | |
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$ +| 1 | 0
DECLARE +| |
r INTEGER; +| |
BEGIN +| |
SELECT (i + 1 + 1.0)::INTEGER INTO r; +| |
RETURN r; +| |
END; $$ LANGUAGE plpgsql | |
DROP FUNCTION PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_TWO(INTEGER) | 1 | 0
SELECT (i + $2 + $3)::INTEGER | 2 | 2
SELECT (i + $2)::INTEGER LIMIT $3 | 2 | 2
SELECT PLUS_ONE($1) | 2 | 2
SELECT PLUS_TWO($1) | 2 | 2
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
(10 rows)
--
-- utility commands
--
SET pg_stat_monitor.track_utility = TRUE;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT 1;
?column?
----------
1
(1 row)
CREATE INDEX test_b ON test(b);
DROP TABLE test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION PLUS_ONE(INTEGER);
NOTICE: table "test" does not exist, skipping
DROP TABLE IF EXISTS test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION IF EXISTS PLUS_ONE(INTEGER);
NOTICE: table "test" does not exist, skipping
NOTICE: table "test" does not exist, skipping
NOTICE: function plus_one(pg_catalog.int4) does not exist, skipping
DROP FUNCTION PLUS_TWO(INTEGER);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
query | calls | rows
---------------------------------------------------------------------------+-------+------
CREATE INDEX test_b ON test(b) | 1 | 0
DROP FUNCTION IF EXISTS PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_ONE(INTEGER) | 1 | 0
DROP FUNCTION PLUS_TWO(INTEGER) | 1 | 0
DROP TABLE IF EXISTS test | 3 | 0
DROP TABLE test | 1 | 0
SELECT $1 | 1 | 1
SELECT pg_stat_monitor_reset() | 1 | 1
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C" | 1 | 0
(9 rows)
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
CREATE TABLE foo1(a int);
CREATE TABLE foo2(a int);
CREATE TABLE foo3(a int);
CREATE TABLE foo4(a int);
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT * FROM foo1, foo2, foo3, foo4;
a | a | a | a
---+---+---+---
(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 pg_stat_monitor_reset() |
(2 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP TABLE foo1;
DROP TABLE foo2;
DROP TABLE foo3;
DROP TABLE foo4;
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
CREATE TABLE foo1(a int);
CREATE TABLE foo2(a int);
CREATE TABLE foo3(a int);
CREATE TABLE foo4(a int);
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
SELECT * FROM foo1, foo2, foo3, foo4;
a | a | a | a
---+---+---+---
(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 pg_stat_monitor_reset() |
SELECT query, relations from pg_stat_monitor ORDER BY query |
(3 rows)
SELECT pg_stat_monitor_reset();
pg_stat_monitor_reset
-----------------------
(1 row)
DROP TABLE foo1;
DROP TABLE foo2;
DROP TABLE foo3;
DROP TABLE foo4;
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
select pg_sleep(.5);
SELECT 1;
SELECT query FROM pg_stat_monitor ORDER BY query COLLATE "C";
SELECT pg_stat_monitor_reset();
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
SELECT pg_stat_monitor_reset();
select pg_sleep(.5);
SELECT * FROM pg_stat_monitor_settings ORDER BY name COLLATE "C";
SELECT pg_stat_monitor_reset();
DROP EXTENSION pg_stat_monitor;

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CREATE EXTENSION pg_stat_monitor;
--
-- simple and compound statements
--
SET pg_stat_monitor.track_utility = FALSE;
SELECT pg_stat_monitor_reset();
SELECT 1 AS "int";
SELECT 'hello'
-- multiline
AS "text";
SELECT 'world' AS "text";
-- transaction
BEGIN;
SELECT 1 AS "int";
SELECT 'hello' AS "text";
COMMIT;
-- compound transaction
BEGIN \;
SELECT 2.0 AS "float" \;
SELECT 'world' AS "text" \;
COMMIT;
-- compound with empty statements and spurious leading spacing
\;\; SELECT 3 + 3 \;\;\; SELECT ' ' || ' !' \;\; SELECT 1 + 4 \;;
-- non ;-terminated statements
SELECT 1 + 1 + 1 AS "add" \gset
SELECT :add + 1 + 1 AS "add" \;
SELECT :add + 1 + 1 AS "add" \gset
-- set operator
SELECT 1 AS i UNION SELECT 2 ORDER BY i;
-- ? operator
select '{"a":1, "b":2}'::jsonb ? 'b';
-- cte
WITH t(f) AS (
VALUES (1.0), (2.0)
)
SELECT f FROM t ORDER BY f;
-- prepared statement with parameter
PREPARE pgss_test (int) AS SELECT $1, 'test' LIMIT 1;
EXECUTE pgss_test(1);
DEALLOCATE pgss_test;
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
--
-- CRUD: INSERT SELECT UPDATE DELETE on test table
--
SELECT pg_stat_monitor_reset();
-- utility "create table" should not be shown
CREATE TEMP TABLE test (a int, b char(20));
INSERT INTO test VALUES(generate_series(1, 10), 'aaa');
UPDATE test SET b = 'bbb' WHERE a > 7;
DELETE FROM test WHERE a > 9;
-- explicit transaction
BEGIN;
UPDATE test SET b = '111' WHERE a = 1 ;
COMMIT;
BEGIN \;
UPDATE test SET b = '222' WHERE a = 2 \;
COMMIT ;
UPDATE test SET b = '333' WHERE a = 3 \;
UPDATE test SET b = '444' WHERE a = 4 ;
BEGIN \;
UPDATE test SET b = '555' WHERE a = 5 \;
UPDATE test SET b = '666' WHERE a = 6 \;
COMMIT ;
-- many INSERT values
INSERT INTO test (a, b) VALUES (1, 'a'), (2, 'b'), (3, 'c');
-- SELECT with constants
SELECT * FROM test WHERE a > 5 ORDER BY a ;
SELECT *
FROM test
WHERE a > 9
ORDER BY a ;
-- SELECT without constants
SELECT * FROM test ORDER BY a;
-- SELECT with IN clause
SELECT * FROM test WHERE a IN (1, 2, 3, 4, 5);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
--
-- pg_stat_monitor.track = none
--
SET pg_stat_monitor.track = 'none';
SELECT pg_stat_monitor_reset();
SELECT 1 AS "one";
SELECT 1 + 1 AS "two";
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
--
-- pg_stat_monitor.track = top
--
SET pg_stat_monitor.track = 'top';
SELECT pg_stat_monitor_reset();
DO LANGUAGE plpgsql $$
BEGIN
-- this is a SELECT
PERFORM 'hello world'::TEXT;
END;
$$;
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(3);
SELECT PLUS_TWO(7);
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(8);
SELECT PLUS_ONE(10);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
--
-- pg_stat_monitor.track = all
--
SET pg_stat_monitor.track = 'all';
SELECT pg_stat_monitor_reset();
-- we drop and recreate the functions to avoid any caching funnies
DROP FUNCTION PLUS_ONE(INTEGER);
DROP FUNCTION PLUS_TWO(INTEGER);
-- PL/pgSQL function
CREATE FUNCTION PLUS_TWO(i INTEGER) RETURNS INTEGER AS $$
DECLARE
r INTEGER;
BEGIN
SELECT (i + 1 + 1.0)::INTEGER INTO r;
RETURN r;
END; $$ LANGUAGE plpgsql;
SELECT PLUS_TWO(-1);
SELECT PLUS_TWO(2);
-- SQL function --- use LIMIT to keep it from being inlined
CREATE FUNCTION PLUS_ONE(i INTEGER) RETURNS INTEGER AS
$$ SELECT (i + 1.0)::INTEGER LIMIT 1 $$ LANGUAGE SQL;
SELECT PLUS_ONE(3);
SELECT PLUS_ONE(1);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
--
-- utility commands
--
SET pg_stat_monitor.track_utility = TRUE;
SELECT pg_stat_monitor_reset();
SELECT 1;
CREATE INDEX test_b ON test(b);
DROP TABLE test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION PLUS_ONE(INTEGER);
DROP TABLE IF EXISTS test \;
DROP TABLE IF EXISTS test \;
DROP FUNCTION IF EXISTS PLUS_ONE(INTEGER);
DROP FUNCTION PLUS_TWO(INTEGER);
SELECT query, calls, rows FROM pg_stat_monitor ORDER BY query COLLATE "C";
DROP EXTENSION pg_stat_monitor;

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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);
SELECT pg_stat_monitor_reset();
SELECT * FROM foo1, foo2, foo3, foo4;
SELECT query, relations from pg_stat_monitor ORDER BY query;
SELECT pg_stat_monitor_reset();
DROP TABLE foo1;
DROP TABLE foo2;
DROP TABLE foo3;
DROP TABLE foo4;
DROP EXTENSION pg_stat_monitor;