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Commit ca454128 authored by Thomas G. Lockhart's avatar Thomas G. Lockhart
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Add new subselect test.

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src/test/regress/expected/subselect.out 0 → 100644
+ 142
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View file @ ca454128
QUERY: SELECT 1 AS one WHERE 1 IN (SELECT 1);
one
---
1
(1 row)
QUERY: SELECT 1 AS zero WHERE 1 NOT IN (SELECT 1);
zero
----
(0 rows)
QUERY: SELECT 1 AS zero WHERE 1 IN (SELECT 2);
zero
----
(0 rows)
QUERY: CREATE TABLE SUBSELECT_TBL (
f1 integer,
f2 integer,
f3 float
);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (1, 2, 3);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (2, 3, 4);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (3, 4, 5);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (1, 1, 1);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (2, 2, 2);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (3, 3, 3);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (6, 7, 8);
QUERY: INSERT INTO SUBSELECT_TBL VALUES (8, 9, NULL);
QUERY: SELECT '' AS eight, * FROM SUBSELECT_TBL;
eight|f1|f2|f3
-----+--+--+--
| 1| 2| 3
| 2| 3| 4
| 3| 4| 5
| 1| 1| 1
| 2| 2| 2
| 3| 3| 3
| 6| 7| 8
| 8| 9|
(8 rows)
QUERY: SELECT '' AS two, f1 AS "Constant Select" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT 1);
two|Constant Select
---+---------------
| 1
| 1
(2 rows)
QUERY: SELECT '' AS six, f1 AS "Uncorrelated Field" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL);
six|Uncorrelated Field
---+------------------
| 1
| 2
| 3
| 1
| 2
| 3
(6 rows)
QUERY: SELECT '' AS six, f1 AS "Uncorrelated Field" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE
f2 IN (SELECT f1 FROM SUBSELECT_TBL));
six|Uncorrelated Field
---+------------------
| 1
| 2
| 3
| 1
| 2
| 3
(6 rows)
QUERY: SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE f2 = f1);
six|Correlated Field|Second Field
---+----------------+------------
| 1| 3
| 2| 4
| 3| 5
| 1| 1
| 2| 2
| 3| 3
(6 rows)
QUERY: SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE CAST(f2 AS float) = f3);
six|Correlated Field|Second Field
---+----------------+------------
| 1| 3
| 2| 4
| 3| 5
| 1| 1
| 2| 2
| 3| 3
(6 rows)
QUERY: SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE f2 = CAST(f3 AS integer));
ERROR: dtoi4: unable to convert null
QUERY: SELECT '' AS five, f1 AS "Correlated Field"
FROM SUBSELECT_TBL
WHERE (f1, f2) IN (SELECT f2, CAST(f3 AS int4) FROM SUBSELECT_TBL WHERE f3 IS NOT NULL);
five|Correlated Field
----+----------------
| 2
| 3
| 1
| 2
| 3
(5 rows)
QUERY: SELECT '' AS three, f1 AS "Correlated Field"
FROM SUBSELECT_TBL
WHERE (f1, f2) NOT IN (SELECT f2, CAST(f3 AS int4) FROM SUBSELECT_TBL WHERE f3 IS NOT NULL);
three|Correlated Field
-----+----------------
| 1
| 6
| 8
(3 rows)
QUERY: SELECT '' AS eight, ss.f1 AS "Correlated Field", ss.f3 AS "Second Field"
FROM SUBSELECT_TBL ss
WHERE f1 NOT IN (SELECT f1 FROM INT4_TBL WHERE f1 != ss.f1);
eight|Correlated Field|Second Field
-----+----------------+------------
| 1| 3
| 2| 4
| 3| 5
| 1| 1
| 2| 2
| 3| 3
| 6| 8
| 8|
(8 rows)
src/test/regress/sql/subselect.sql 0 → 100644
+ 71
− 0
View file @ ca454128
--
-- Subselects
--
SELECT 1 AS one WHERE 1 IN (SELECT 1);
SELECT 1 AS zero WHERE 1 NOT IN (SELECT 1);
SELECT 1 AS zero WHERE 1 IN (SELECT 2);
-- Set up some simple test tables
CREATE TABLE SUBSELECT_TBL (
f1 integer,
f2 integer,
f3 float
);
INSERT INTO SUBSELECT_TBL VALUES (1, 2, 3);
INSERT INTO SUBSELECT_TBL VALUES (2, 3, 4);
INSERT INTO SUBSELECT_TBL VALUES (3, 4, 5);
INSERT INTO SUBSELECT_TBL VALUES (1, 1, 1);
INSERT INTO SUBSELECT_TBL VALUES (2, 2, 2);
INSERT INTO SUBSELECT_TBL VALUES (3, 3, 3);
INSERT INTO SUBSELECT_TBL VALUES (6, 7, 8);
INSERT INTO SUBSELECT_TBL VALUES (8, 9, NULL);
SELECT '' AS eight, * FROM SUBSELECT_TBL;
-- Uncorrelated subselects
SELECT '' AS two, f1 AS "Constant Select" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT 1);
SELECT '' AS six, f1 AS "Uncorrelated Field" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL);
SELECT '' AS six, f1 AS "Uncorrelated Field" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE
f2 IN (SELECT f1 FROM SUBSELECT_TBL));
-- Correlated subselects
SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE f2 = f1);
SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE CAST(f2 AS float) = f3);
SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
FROM SUBSELECT_TBL
WHERE f1 IN (SELECT f2 FROM SUBSELECT_TBL WHERE f2 = CAST(f3 AS integer));
SELECT '' AS five, f1 AS "Correlated Field"
FROM SUBSELECT_TBL
WHERE (f1, f2) IN (SELECT f2, CAST(f3 AS int4) FROM SUBSELECT_TBL WHERE f3 IS NOT NULL);
SELECT '' AS three, f1 AS "Correlated Field"
FROM SUBSELECT_TBL
WHERE (f1, f2) NOT IN (SELECT f2, CAST(f3 AS int4) FROM SUBSELECT_TBL WHERE f3 IS NOT NULL);
--
-- Use some existing tables in the regression test
--
SELECT '' AS eight, ss.f1 AS "Correlated Field", ss.f3 AS "Second Field"
FROM SUBSELECT_TBL ss
WHERE f1 NOT IN (SELECT f1 FROM INT4_TBL WHERE f1 != ss.f1);
src/test/regress/sql/tests
+ 1
− 0
View file @ ca454128
...@@ -48,6 +48,7 @@ select ...@@ -48,6 +48,7 @@ select
select_into select_into
select_distinct select_distinct
select_distinct_on select_distinct_on
subselect
aggregates aggregates
transactions transactions
random random
......
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