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--
-- SELECT
--
-- btree index
-- awk '{if($1<10){print;}else{next;}}' onek.data | sort +0n -1
--
SELECT * FROM onek
WHERE onek.unique1 < 10
ORDER BY onek.unique1;
unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4
---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+---------
0 | 998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | AAAAAA | KMBAAA | OOOOxx
1 | 214 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | BAAAAA | GIAAAA | OOOOxx
2 | 326 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 5 | CAAAAA | OMAAAA | OOOOxx
3 | 431 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 7 | DAAAAA | PQAAAA | VVVVxx
4 | 833 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 9 | EAAAAA | BGBAAA | HHHHxx
5 | 541 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 11 | FAAAAA | VUAAAA | HHHHxx
6 | 978 | 0 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 12 | 13 | GAAAAA | QLBAAA | OOOOxx
7 | 647 | 1 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 14 | 15 | HAAAAA | XYAAAA | VVVVxx
8 | 653 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 16 | 17 | IAAAAA | DZAAAA | HHHHxx
9 | 49 | 1 | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 18 | 19 | JAAAAA | XBAAAA | HHHHxx
(10 rows)
--
-- Test some cases involving whole-row Var referencing a subquery
--
select foo from (select 1 offset 0) as foo;
foo
-----
(1)
(1 row)
select foo from (select null offset 0) as foo;
foo
-----
()
(1 row)
select foo from (select 'xyzzy',1,null offset 0) as foo;
foo
------------
(xyzzy,1,)
(1 row)
-- VALUES is also legal as a standalone query or a set-operation member
VALUES (1,2), (3,4+4), (7,77.7);
column1 | column2
---------+---------
1 | 2
3 | 8
7 | 77.7
(3 rows)
VALUES (1,2), (3,4+4), (7,77.7)
UNION ALL
SELECT 2+2, 57
UNION ALL
TABLE int8_tbl;
column1 | column2
------------------+-------------------
1 | 2
3 | 8
7 | 77.7
4 | 57
123 | 456
123 | 4567890123456789
4567890123456789 | 123
4567890123456789 | 4567890123456789
4567890123456789 | -4567890123456789
(9 rows)
-- corner case: VALUES with no columns
CREATE TEMP TABLE nocols();
--
-- Test ORDER BY options
--
CREATE TEMP TABLE foo (f1 int);
INSERT INTO foo VALUES (42),(3),(10),(7),(null),(null),(1);
SELECT * FROM foo ORDER BY f1 NULLS FIRST;
f1
----
1
3
7
10
42
(7 rows)
-- check if indexscans do the right things
CREATE INDEX fooi ON foo (f1);
SELECT * FROM foo ORDER BY f1 NULLS FIRST;
f1
----
1
3
7
10
42
(7 rows)
CREATE INDEX fooi ON foo (f1 DESC);
SELECT * FROM foo ORDER BY f1 NULLS FIRST;
f1
----
1
3
7
10
42
(7 rows)
CREATE INDEX fooi ON foo (f1 DESC NULLS LAST);
SELECT * FROM foo ORDER BY f1 NULLS FIRST;
f1
----
1
3
7
10
42
(7 rows)
select * from onek2 where unique2 = 11 and stringu1 = 'ATAAAA';
unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4
---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+---------
494 | 11 | 0 | 2 | 4 | 14 | 4 | 94 | 94 | 494 | 494 | 8 | 9 | ATAAAA | LAAAAA | VVVVxx
(1 row)
select unique2 from onek2 where unique2 = 11 and stringu1 = 'ATAAAA';
unique2
---------
11
(1 row)
select * from onek2 where unique2 = 11 and stringu1 < 'B';
unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4
---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+---------
494 | 11 | 0 | 2 | 4 | 14 | 4 | 94 | 94 | 494 | 494 | 8 | 9 | ATAAAA | LAAAAA | VVVVxx
(1 row)
select unique2 from onek2 where unique2 = 11 and stringu1 < 'B';
unique2
---------
11
(1 row)
select unique2 from onek2 where unique2 = 11 and stringu1 < 'B' for update;
unique2
---------
11
(1 row)
select unique2 from onek2 where unique2 = 11 and stringu1 < 'C';
unique2
---------
11
(1 row)
select unique2 from onek2 where unique2 = 11 and stringu1 < 'B';
unique2
---------
11
(1 row)
select unique1, unique2 from onek2
where (unique2 = 11 or unique1 = 0) and stringu1 < 'B';
unique1 | unique2
---------+---------
494 | 11
0 | 998
(2 rows)
select unique1, unique2 from onek2
where (unique2 = 11 and stringu1 < 'B') or unique1 = 0;
unique1 | unique2
---------+---------
494 | 11
0 | 998
(2 rows)
-- X = X isn't a no-op, it's effectively X IS NOT NULL assuming = is strict
-- (see bug #5084)
select * from (values (2),(null),(1)) v(k) where k = k order by k;
k
---
1
2
(2 rows)
select * from (values (2),(null),(1)) v(k) where k = k;
k
---
2
1
(2 rows)
|
