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postgresql/contrib/pg_stat_statements/expected/select.out

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--
-- SELECT statements
--
CREATE EXTENSION pg_stat_statements;
SET pg_stat_statements.track_utility = FALSE;
SET pg_stat_statements.track_planning = TRUE;
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
t
---
t
(1 row)
--
-- simple and compound statements
--
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;
float
-------
2.0
(1 row)
text
-------
world
(1 row)
-- compound with empty statements and spurious leading spacing
\;\; SELECT 3 + 3 \;\;\; SELECT ' ' || ' !' \;\; SELECT 1 + 4 \;;
?column?
----------
6
(1 row)
?column?
----------
!
(1 row)
?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
add
-----
5
(1 row)
-- 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 calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
calls | rows | query
-------+------+------------------------------------------------------------------------------
1 | 1 | PREPARE pgss_test (int) AS SELECT $1, $2 LIMIT $3
4 | 4 | SELECT $1 +
| | -- multiline +
| | AS "text"
2 | 2 | SELECT $1 + $2
3 | 3 | SELECT $1 + $2 + $3 AS "add"
1 | 1 | SELECT $1 AS "float"
2 | 2 | SELECT $1 AS "int"
1 | 2 | SELECT $1 AS i UNION SELECT $2 ORDER BY i
1 | 1 | SELECT $1 || $2
0 | 0 | SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C"
1 | 1 | SELECT pg_stat_statements_reset() IS NOT NULL AS t
1 | 2 | WITH t(f) AS ( +
| | VALUES ($1), ($2) +
| | ) +
| | SELECT f FROM t ORDER BY f
1 | 1 | select $1::jsonb ? $2
(12 rows)
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
t
---
t
(1 row)
--
-- queries with locking clauses
--
CREATE TABLE pgss_a (id integer PRIMARY KEY);
CREATE TABLE pgss_b (id integer PRIMARY KEY, a_id integer REFERENCES pgss_a);
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
t
---
t
(1 row)
-- control query
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id;
id | id | a_id
----+----+------
(0 rows)
-- test range tables
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_a;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_b;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_a, pgss_b; -- matches plain "FOR UPDATE"
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_b, pgss_a;
id | id | a_id
----+----+------
(0 rows)
-- test strengths
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR NO KEY UPDATE;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR SHARE;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR KEY SHARE;
id | id | a_id
----+----+------
(0 rows)
-- test wait policies
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE NOWAIT;
id | id | a_id
----+----+------
(0 rows)
SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE SKIP LOCKED;
id | id | a_id
----+----+------
(0 rows)
SELECT calls, query FROM pg_stat_statements ORDER BY query COLLATE "C";
calls | query
-------+------------------------------------------------------------------------------------------
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR KEY SHARE
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR NO KEY UPDATE
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR SHARE
2 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE NOWAIT
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_a
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_b
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE OF pgss_b, pgss_a
1 | SELECT * FROM pgss_a JOIN pgss_b ON pgss_b.a_id = pgss_a.id FOR UPDATE SKIP LOCKED
0 | SELECT calls, query FROM pg_stat_statements ORDER BY query COLLATE "C"
1 | SELECT pg_stat_statements_reset() IS NOT NULL AS t
(12 rows)
DROP TABLE pgss_a, pgss_b CASCADE;
--
-- access to pg_stat_statements_info view
--
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
t
---
t
(1 row)
SELECT dealloc FROM pg_stat_statements_info;
dealloc
---------
0
(1 row)
-- FROM [ONLY]
CREATE TABLE tbl_inh(id integer);
CREATE TABLE tbl_inh_1() INHERITS (tbl_inh);
INSERT INTO tbl_inh_1 SELECT 1;
SELECT * FROM tbl_inh;
id
----
1
(1 row)
SELECT * FROM ONLY tbl_inh;
id
----
(0 rows)
SELECT COUNT(*) FROM pg_stat_statements WHERE query LIKE '%FROM%tbl_inh%';
count
-------
2
(1 row)
-- WITH TIES
CREATE TABLE limitoption AS SELECT 0 AS val FROM generate_series(1, 10);
SELECT *
FROM limitoption
WHERE val < 2
ORDER BY val
FETCH FIRST 2 ROWS WITH TIES;
val
-----
0
0
0
0
0
0
0
0
0
0
(10 rows)
SELECT *
FROM limitoption
WHERE val < 2
ORDER BY val
FETCH FIRST 2 ROW ONLY;
val
-----
0
0
(2 rows)
SELECT COUNT(*) FROM pg_stat_statements WHERE query LIKE '%FETCH FIRST%';
count
-------
2
(1 row)
-- GROUP BY [DISTINCT]
SELECT a, b, c
FROM (VALUES (1, 2, 3), (4, NULL, 6), (7, 8, 9)) AS t (a, b, c)
GROUP BY ROLLUP(a, b), rollup(a, c)
ORDER BY a, b, c;
a | b | c
---+---+---
1 | 2 | 3
1 | 2 |
1 | 2 |
1 | | 3
1 | | 3
1 | |
1 | |
1 | |
4 | | 6
4 | | 6
4 | | 6
4 | |
4 | |
4 | |
4 | |
4 | |
7 | 8 | 9
7 | 8 |
7 | 8 |
7 | | 9
7 | | 9
7 | |
7 | |
7 | |
| |
(25 rows)
SELECT a, b, c
FROM (VALUES (1, 2, 3), (4, NULL, 6), (7, 8, 9)) AS t (a, b, c)
GROUP BY DISTINCT ROLLUP(a, b), rollup(a, c)
ORDER BY a, b, c;
a | b | c
---+---+---
1 | 2 | 3
1 | 2 |
1 | | 3
1 | |
4 | | 6
4 | | 6
4 | |
4 | |
7 | 8 | 9
7 | 8 |
7 | | 9
7 | |
| |
(13 rows)
SELECT COUNT(*) FROM pg_stat_statements WHERE query LIKE '%GROUP BY%ROLLUP%';
count
-------
2
(1 row)
-- GROUPING SET agglevelsup
SELECT (
SELECT (
SELECT GROUPING(a,b) FROM (VALUES (1)) v2(c)
) FROM (VALUES (1,2)) v1(a,b) GROUP BY (a,b)
) FROM (VALUES(6,7)) v3(e,f) GROUP BY ROLLUP(e,f);
grouping
----------
0
0
0
(3 rows)
SELECT (
SELECT (
SELECT GROUPING(e,f) FROM (VALUES (1)) v2(c)
) FROM (VALUES (1,2)) v1(a,b) GROUP BY (a,b)
) FROM (VALUES(6,7)) v3(e,f) GROUP BY ROLLUP(e,f);
grouping
----------
3
0
1
(3 rows)
SELECT COUNT(*) FROM pg_stat_statements WHERE query LIKE '%SELECT GROUPING%';
count
-------
2
(1 row)
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
t
---
t
(1 row)
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