-QUERY: CREATE TABLE CASE_TBL (
+--
+-- CASE
+-- Test the case statement
+--
+CREATE TABLE CASE_TBL (
i integer,
f double precision
);
-QUERY: CREATE TABLE CASE2_TBL (
+CREATE TABLE CASE2_TBL (
i integer,
j integer
);
-QUERY: INSERT INTO CASE_TBL VALUES (1, 10.1);
-QUERY: INSERT INTO CASE_TBL VALUES (2, 20.2);
-QUERY: INSERT INTO CASE_TBL VALUES (3, -30.3);
-QUERY: INSERT INTO CASE_TBL VALUES (4, NULL);
-QUERY: INSERT INTO CASE2_TBL VALUES (1, -1);
-QUERY: INSERT INTO CASE2_TBL VALUES (2, -2);
-QUERY: INSERT INTO CASE2_TBL VALUES (3, -3);
-QUERY: INSERT INTO CASE2_TBL VALUES (2, -4);
-QUERY: INSERT INTO CASE2_TBL VALUES (1, NULL);
-QUERY: INSERT INTO CASE2_TBL VALUES (NULL, -6);
-QUERY: SELECT '3' AS "One",
+INSERT INTO CASE_TBL VALUES (1, 10.1);
+INSERT INTO CASE_TBL VALUES (2, 20.2);
+INSERT INTO CASE_TBL VALUES (3, -30.3);
+INSERT INTO CASE_TBL VALUES (4, NULL);
+INSERT INTO CASE2_TBL VALUES (1, -1);
+INSERT INTO CASE2_TBL VALUES (2, -2);
+INSERT INTO CASE2_TBL VALUES (3, -3);
+INSERT INTO CASE2_TBL VALUES (2, -4);
+INSERT INTO CASE2_TBL VALUES (1, NULL);
+INSERT INTO CASE2_TBL VALUES (NULL, -6);
+--
+-- Simplest examples without tables
+--
+SELECT '3' AS "One",
CASE
WHEN 1 < 2 THEN 3
END AS "Simple WHEN";
-One|Simple WHEN
----+-----------
- 3| 3
+ One | Simple WHEN
+-----+-------------
+ 3 | 3
(1 row)
-QUERY: SELECT '<NULL>' AS "One",
+SELECT '<NULL>' AS "One",
CASE
WHEN 1 > 2 THEN 3
END AS "Simple default";
-One |Simple default
-------+--------------
-<NULL>|
+ One | Simple default
+--------+----------------
+ <NULL> |
(1 row)
-QUERY: SELECT '3' AS "One",
+SELECT '3' AS "One",
CASE
WHEN 1 < 2 THEN 3
ELSE 4
END AS "Simple ELSE";
-One|Simple ELSE
----+-----------
- 3| 3
+ One | Simple ELSE
+-----+-------------
+ 3 | 3
(1 row)
-QUERY: SELECT '4' AS "One",
+SELECT '4' AS "One",
CASE
WHEN 1 > 2 THEN 3
ELSE 4
END AS "ELSE default";
-One|ELSE default
----+------------
- 4| 4
+ One | ELSE default
+-----+--------------
+ 4 | 4
(1 row)
-QUERY: SELECT '6' AS "One",
+SELECT '6' AS "One",
CASE
WHEN 1 > 2 THEN 3
WHEN 4 < 5 THEN 6
ELSE 7
END AS "Two WHEN with default";
-One|Two WHEN with default
----+---------------------
- 6| 6
+ One | Two WHEN with default
+-----+-----------------------
+ 6 | 6
(1 row)
-QUERY: SELECT '' AS "Five",
+--
+-- Examples of targets involving tables
+--
+SELECT '' AS "Five",
CASE
WHEN i >= 3 THEN i
END AS ">= 3 or Null"
FROM CASE_TBL;
-Five|>= 3 or Null
-----+------------
- |
- |
- | 3
- | 4
+ Five | >= 3 or Null
+------+--------------
+ |
+ |
+ | 3
+ | 4
(4 rows)
-QUERY: SELECT '' AS "Five",
+SELECT '' AS "Five",
CASE WHEN i >= 3 THEN (i + i)
ELSE i
END AS "Simplest Math"
FROM CASE_TBL;
-Five|Simplest Math
-----+-------------
- | 1
- | 2
- | 6
- | 8
+ Five | Simplest Math
+------+---------------
+ | 1
+ | 2
+ | 6
+ | 8
(4 rows)
-QUERY: SELECT '' AS "Five", i AS "Value",
+SELECT '' AS "Five", i AS "Value",
CASE WHEN (i < 0) THEN 'small'
WHEN (i = 0) THEN 'zero'
WHEN (i = 1) THEN 'one'
ELSE 'big'
END AS "Category"
FROM CASE_TBL;
-Five|Value|Category
-----+-----+--------
- | 1|one
- | 2|two
- | 3|big
- | 4|big
+ Five | Value | Category
+------+-------+----------
+ | 1 | one
+ | 2 | two
+ | 3 | big
+ | 4 | big
(4 rows)
-QUERY: SELECT '' AS "Five",
+SELECT '' AS "Five",
CASE WHEN ((i < 0) or (i < 0)) THEN 'small'
WHEN ((i = 0) or (i = 0)) THEN 'zero'
WHEN ((i = 1) or (i = 1)) THEN 'one'
ELSE 'big'
END AS "Category"
FROM CASE_TBL;
-Five|Category
-----+--------
- |one
- |two
- |big
- |big
+ Five | Category
+------+----------
+ | one
+ | two
+ | big
+ | big
(4 rows)
-QUERY: SELECT * FROM CASE_TBL WHERE COALESCE(f,i) = 4;
-i|f
--+-
-4|
+--
+-- Examples of qualifications involving tables
+--
+--
+-- NULLIF() and COALESCE()
+-- Shorthand forms for typical CASE constructs
+-- defined in the SQL92 standard.
+--
+SELECT * FROM CASE_TBL WHERE COALESCE(f,i) = 4;
+ i | f
+---+---
+ 4 |
(1 row)
-QUERY: SELECT * FROM CASE_TBL WHERE NULLIF(f,i) = 2;
-i|f
--+-
+SELECT * FROM CASE_TBL WHERE NULLIF(f,i) = 2;
+ i | f
+---+---
(0 rows)
-QUERY: SELECT COALESCE(a.f, b.i, b.j)
+SELECT COALESCE(a.f, b.i, b.j)
FROM CASE_TBL a, CASE2_TBL b;
- case
------
- 10.1
- 20.2
--30.3
- 1
- 10.1
- 20.2
--30.3
- 2
- 10.1
- 20.2
--30.3
- 3
- 10.1
- 20.2
--30.3
- 2
- 10.1
- 20.2
--30.3
- 1
- 10.1
- 20.2
--30.3
- -6
+ case
+-------
+ 10.1
+ 20.2
+ -30.3
+ 1
+ 10.1
+ 20.2
+ -30.3
+ 2
+ 10.1
+ 20.2
+ -30.3
+ 3
+ 10.1
+ 20.2
+ -30.3
+ 2
+ 10.1
+ 20.2
+ -30.3
+ 1
+ 10.1
+ 20.2
+ -30.3
+ -6
(24 rows)
-QUERY: SELECT *
+SELECT *
FROM CASE_TBL a, CASE2_TBL b
WHERE COALESCE(a.f, b.i, b.j) = 2;
-i|f|i| j
--+-+-+--
-4| |2|-2
-4| |2|-4
+ i | f | i | j
+---+---+---+----
+ 4 | | 2 | -2
+ 4 | | 2 | -4
(2 rows)
-QUERY: SELECT '' AS Five, NULLIF(a.i,b.i) AS "NULLIF(a.i,b.i)",
+SELECT '' AS Five, NULLIF(a.i,b.i) AS "NULLIF(a.i,b.i)",
NULLIF(b.i, 4) AS "NULLIF(b.i,4)"
FROM CASE_TBL a, CASE2_TBL b;
-five|NULLIF(a.i,b.i)|NULLIF(b.i,4)
-----+---------------+-------------
- | | 1
- | 2| 1
- | 3| 1
- | 4| 1
- | 1| 2
- | | 2
- | 3| 2
- | 4| 2
- | 1| 3
- | 2| 3
- | | 3
- | 4| 3
- | 1| 2
- | | 2
- | 3| 2
- | 4| 2
- | | 1
- | 2| 1
- | 3| 1
- | 4| 1
- | 1|
- | 2|
- | 3|
- | 4|
+ five | NULLIF(a.i,b.i) | NULLIF(b.i,4)
+------+-----------------+---------------
+ | | 1
+ | 2 | 1
+ | 3 | 1
+ | 4 | 1
+ | 1 | 2
+ | | 2
+ | 3 | 2
+ | 4 | 2
+ | 1 | 3
+ | 2 | 3
+ | | 3
+ | 4 | 3
+ | 1 | 2
+ | | 2
+ | 3 | 2
+ | 4 | 2
+ | | 1
+ | 2 | 1
+ | 3 | 1
+ | 4 | 1
+ | 1 |
+ | 2 |
+ | 3 |
+ | 4 |
(24 rows)
-QUERY: SELECT '' AS "Two", *
+SELECT '' AS "Two", *
FROM CASE_TBL a, CASE2_TBL b
WHERE COALESCE(f,b.i) = 2;
-Two|i|f|i| j
----+-+-+-+--
- |4| |2|-2
- |4| |2|-4
+ Two | i | f | i | j
+-----+---+---+---+----
+ | 4 | | 2 | -2
+ | 4 | | 2 | -4
(2 rows)
-QUERY: UPDATE CASE_TBL
+--
+-- Examples of updates involving tables
+--
+UPDATE CASE_TBL
SET i = CASE WHEN i >= 3 THEN (- i)
ELSE (2 * i) END;
-QUERY: SELECT * FROM CASE_TBL;
- i| f
---+-----
- 2| 10.1
- 4| 20.2
--3|-30.3
--4|
+SELECT * FROM CASE_TBL;
+ i | f
+----+-------
+ 2 | 10.1
+ 4 | 20.2
+ -3 | -30.3
+ -4 |
(4 rows)
-QUERY: UPDATE CASE_TBL
+UPDATE CASE_TBL
SET i = CASE WHEN i >= 2 THEN (2 * i)
ELSE (3 * i) END;
-QUERY: SELECT * FROM CASE_TBL;
- i| f
----+-----
- 4| 10.1
- 8| 20.2
- -9|-30.3
--12|
+SELECT * FROM CASE_TBL;
+ i | f
+-----+-------
+ 4 | 10.1
+ 8 | 20.2
+ -9 | -30.3
+ -12 |
(4 rows)
-QUERY: UPDATE CASE_TBL
+UPDATE CASE_TBL
SET i = CASE WHEN b.i >= 2 THEN (2 * j)
ELSE (3 * j) END
FROM CASE2_TBL b
WHERE j = -CASE_TBL.i;
-QUERY: SELECT * FROM CASE_TBL;
- i| f
----+-----
- 8| 20.2
- -9|-30.3
--12|
- -8| 10.1
+SELECT * FROM CASE_TBL;
+ i | f
+-----+-------
+ 8 | 20.2
+ -9 | -30.3
+ -12 |
+ -8 | 10.1
(4 rows)
-QUERY: DROP TABLE CASE_TBL;
-QUERY: DROP TABLE CASE2_TBL;
+--
+-- Clean up
+--
+DROP TABLE CASE_TBL;
+DROP TABLE CASE2_TBL;
--
--- errors.source
+-- ERRORS
--
--- $Header: /cvsroot/pgsql/src/test/regress/expected/errors.out,v 1.15 2000/01/05 17:31:08 thomas Exp $
-
-- bad in postquel, but ok in postsql
select 1
--
-QUERY: SELECT count(*) FROM onek;
-count
------
- 1000
+--
+-- RANDOM
+-- Test the random function
+--
+-- count the number of tuples originally
+SELECT count(*) FROM onek;
+ count
+-------
+ 1000
(1 row)
-QUERY: SELECT count(*) AS random INTO RANDOM_TBL
+-- select roughly 1/10 of the tuples
+-- Assume that the "onek" table has 1000 tuples
+-- and try to bracket the correct number so we
+-- have a regression test which can pass/fail
+-- - thomas 1998-08-17
+SELECT count(*) AS random INTO RANDOM_TBL
FROM onek WHERE oidrand(onek.oid, 10);
-QUERY: INSERT INTO RANDOM_TBL (random)
+-- select again, the count should be different
+INSERT INTO RANDOM_TBL (random)
SELECT count(*)
FROM onek WHERE oidrand(onek.oid, 10);
-QUERY: SELECT random, count(random) FROM RANDOM_TBL
+-- now test the results for randomness in the correct range
+SELECT random, count(random) FROM RANDOM_TBL
GROUP BY random HAVING count(random) > 1;
-random|count
-------+-----
+ random | count
+--------+-------
(0 rows)
-QUERY: SELECT random FROM RANDOM_TBL
+SELECT random FROM RANDOM_TBL
WHERE random NOT BETWEEN 80 AND 120;
-random
-------
+ random
+--------
(0 rows)
-QUERY: SELECT onek.* WHERE onek.unique1 < 10;
-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
+--
+-- SELECT
+--
+-- btree index
+-- awk '{if($1<10){print;}else{next;}}' onek.data | sort +0n -1
+--
+SELECT onek.* WHERE onek.unique1 < 10;
+ 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)
-QUERY: SELECT onek.unique1, onek.stringu1
- WHERE onek.unique1 < 20
+--
+-- awk '{if($1<20){print $1,$14;}else{next;}}' onek.data | sort +0nr -1
+--
+SELECT onek.unique1, onek.stringu1
+ WHERE onek.unique1 < 20
ORDER BY unique1 using >;
-unique1|stringu1
--------+--------
- 19|TAAAAA
- 18|SAAAAA
- 17|RAAAAA
- 16|QAAAAA
- 15|PAAAAA
- 14|OAAAAA
- 13|NAAAAA
- 12|MAAAAA
- 11|LAAAAA
- 10|KAAAAA
- 9|JAAAAA
- 8|IAAAAA
- 7|HAAAAA
- 6|GAAAAA
- 5|FAAAAA
- 4|EAAAAA
- 3|DAAAAA
- 2|CAAAAA
- 1|BAAAAA
- 0|AAAAAA
+ unique1 | stringu1
+---------+----------
+ 19 | TAAAAA
+ 18 | SAAAAA
+ 17 | RAAAAA
+ 16 | QAAAAA
+ 15 | PAAAAA
+ 14 | OAAAAA
+ 13 | NAAAAA
+ 12 | MAAAAA
+ 11 | LAAAAA
+ 10 | KAAAAA
+ 9 | JAAAAA
+ 8 | IAAAAA
+ 7 | HAAAAA
+ 6 | GAAAAA
+ 5 | FAAAAA
+ 4 | EAAAAA
+ 3 | DAAAAA
+ 2 | CAAAAA
+ 1 | BAAAAA
+ 0 | AAAAAA
(20 rows)
-QUERY: SELECT onek.unique1, onek.stringu1
- WHERE onek.unique1 > 980
+--
+-- awk '{if($1>980){print $1,$14;}else{next;}}' onek.data | sort +1d -2
+--
+SELECT onek.unique1, onek.stringu1
+ WHERE onek.unique1 > 980
ORDER BY stringu1 using <;
-unique1|stringu1
--------+--------
- 988|AMAAAA
- 989|BMAAAA
- 990|CMAAAA
- 991|DMAAAA
- 992|EMAAAA
- 993|FMAAAA
- 994|GMAAAA
- 995|HMAAAA
- 996|IMAAAA
- 997|JMAAAA
- 998|KMAAAA
- 999|LMAAAA
- 981|TLAAAA
- 982|ULAAAA
- 983|VLAAAA
- 984|WLAAAA
- 985|XLAAAA
- 986|YLAAAA
- 987|ZLAAAA
+ unique1 | stringu1
+---------+----------
+ 988 | AMAAAA
+ 989 | BMAAAA
+ 990 | CMAAAA
+ 991 | DMAAAA
+ 992 | EMAAAA
+ 993 | FMAAAA
+ 994 | GMAAAA
+ 995 | HMAAAA
+ 996 | IMAAAA
+ 997 | JMAAAA
+ 998 | KMAAAA
+ 999 | LMAAAA
+ 981 | TLAAAA
+ 982 | ULAAAA
+ 983 | VLAAAA
+ 984 | WLAAAA
+ 985 | XLAAAA
+ 986 | YLAAAA
+ 987 | ZLAAAA
(19 rows)
-QUERY: SELECT onek.unique1, onek.string4
- WHERE onek.unique1 > 980
+
+--
+-- awk '{if($1>980){print $1,$16;}else{next;}}' onek.data |
+-- sort +1d -2 +0nr -1
+--
+SELECT onek.unique1, onek.string4
+ WHERE onek.unique1 > 980
ORDER BY string4 using <, unique1 using >;
-unique1|string4
--------+-------
- 999|AAAAxx
- 995|AAAAxx
- 983|AAAAxx
- 982|AAAAxx
- 981|AAAAxx
- 998|HHHHxx
- 997|HHHHxx
- 993|HHHHxx
- 990|HHHHxx
- 986|HHHHxx
- 996|OOOOxx
- 991|OOOOxx
- 988|OOOOxx
- 987|OOOOxx
- 985|OOOOxx
- 994|VVVVxx
- 992|VVVVxx
- 989|VVVVxx
- 984|VVVVxx
+ unique1 | string4
+---------+---------
+ 999 | AAAAxx
+ 995 | AAAAxx
+ 983 | AAAAxx
+ 982 | AAAAxx
+ 981 | AAAAxx
+ 998 | HHHHxx
+ 997 | HHHHxx
+ 993 | HHHHxx
+ 990 | HHHHxx
+ 986 | HHHHxx
+ 996 | OOOOxx
+ 991 | OOOOxx
+ 988 | OOOOxx
+ 987 | OOOOxx
+ 985 | OOOOxx
+ 994 | VVVVxx
+ 992 | VVVVxx
+ 989 | VVVVxx
+ 984 | VVVVxx
(19 rows)
-QUERY: SELECT onek.unique1, onek.string4
+
+--
+-- awk '{if($1>980){print $1,$16;}else{next;}}' onek.data |
+-- sort +1dr -2 +0n -1
+--
+SELECT onek.unique1, onek.string4
WHERE onek.unique1 > 980
ORDER BY string4 using >, unique1 using <;
-unique1|string4
--------+-------
- 984|VVVVxx
- 989|VVVVxx
- 992|VVVVxx
- 994|VVVVxx
- 985|OOOOxx
- 987|OOOOxx
- 988|OOOOxx
- 991|OOOOxx
- 996|OOOOxx
- 986|HHHHxx
- 990|HHHHxx
- 993|HHHHxx
- 997|HHHHxx
- 998|HHHHxx
- 981|AAAAxx
- 982|AAAAxx
- 983|AAAAxx
- 995|AAAAxx
- 999|AAAAxx
+ unique1 | string4
+---------+---------
+ 984 | VVVVxx
+ 989 | VVVVxx
+ 992 | VVVVxx
+ 994 | VVVVxx
+ 985 | OOOOxx
+ 987 | OOOOxx
+ 988 | OOOOxx
+ 991 | OOOOxx
+ 996 | OOOOxx
+ 986 | HHHHxx
+ 990 | HHHHxx
+ 993 | HHHHxx
+ 997 | HHHHxx
+ 998 | HHHHxx
+ 981 | AAAAxx
+ 982 | AAAAxx
+ 983 | AAAAxx
+ 995 | AAAAxx
+ 999 | AAAAxx
(19 rows)
-QUERY: SELECT onek.unique1, onek.string4
+
+--
+-- awk '{if($1<20){print $1,$16;}else{next;}}' onek.data |
+-- sort +0nr -1 +1d -2
+--
+SELECT onek.unique1, onek.string4
WHERE onek.unique1 < 20
ORDER BY unique1 using >, string4 using <;
-unique1|string4
--------+-------
- 19|OOOOxx
- 18|VVVVxx
- 17|HHHHxx
- 16|OOOOxx
- 15|VVVVxx
- 14|AAAAxx
- 13|OOOOxx
- 12|AAAAxx
- 11|OOOOxx
- 10|AAAAxx
- 9|HHHHxx
- 8|HHHHxx
- 7|VVVVxx
- 6|OOOOxx
- 5|HHHHxx
- 4|HHHHxx
- 3|VVVVxx
- 2|OOOOxx
- 1|OOOOxx
- 0|OOOOxx
+ unique1 | string4
+---------+---------
+ 19 | OOOOxx
+ 18 | VVVVxx
+ 17 | HHHHxx
+ 16 | OOOOxx
+ 15 | VVVVxx
+ 14 | AAAAxx
+ 13 | OOOOxx
+ 12 | AAAAxx
+ 11 | OOOOxx
+ 10 | AAAAxx
+ 9 | HHHHxx
+ 8 | HHHHxx
+ 7 | VVVVxx
+ 6 | OOOOxx
+ 5 | HHHHxx
+ 4 | HHHHxx
+ 3 | VVVVxx
+ 2 | OOOOxx
+ 1 | OOOOxx
+ 0 | OOOOxx
(20 rows)
-QUERY: SELECT onek.unique1, onek.string4
- WHERE onek.unique1 < 20
+--
+-- awk '{if($1<20){print $1,$16;}else{next;}}' onek.data |
+-- sort +0n -1 +1dr -2
+--
+SELECT onek.unique1, onek.string4
+ WHERE onek.unique1 < 20
ORDER BY unique1 using <, string4 using >;
-unique1|string4
--------+-------
- 0|OOOOxx
- 1|OOOOxx
- 2|OOOOxx
- 3|VVVVxx
- 4|HHHHxx
- 5|HHHHxx
- 6|OOOOxx
- 7|VVVVxx
- 8|HHHHxx
- 9|HHHHxx
- 10|AAAAxx
- 11|OOOOxx
- 12|AAAAxx
- 13|OOOOxx
- 14|AAAAxx
- 15|VVVVxx
- 16|OOOOxx
- 17|HHHHxx
- 18|VVVVxx
- 19|OOOOxx
+ unique1 | string4
+---------+---------
+ 0 | OOOOxx
+ 1 | OOOOxx
+ 2 | OOOOxx
+ 3 | VVVVxx
+ 4 | HHHHxx
+ 5 | HHHHxx
+ 6 | OOOOxx
+ 7 | VVVVxx
+ 8 | HHHHxx
+ 9 | HHHHxx
+ 10 | AAAAxx
+ 11 | OOOOxx
+ 12 | AAAAxx
+ 13 | OOOOxx
+ 14 | AAAAxx
+ 15 | VVVVxx
+ 16 | OOOOxx
+ 17 | HHHHxx
+ 18 | VVVVxx
+ 19 | OOOOxx
(20 rows)
-QUERY: SELECT two, stringu1, ten, string4
+--
+-- partial btree index
+-- awk '{if($1<10){print $0;}else{next;}}' onek.data | sort +0n -1
+--
+--SELECT onek2.* WHERE onek2.unique1 < 10;
+--
+-- partial btree index
+-- awk '{if($1<20){print $1,$14;}else{next;}}' onek.data | sort +0nr -1
+--
+--SELECT onek2.unique1, onek2.stringu1
+-- WHERE onek2.unique1 < 20
+-- ORDER BY unique1 using >;
+--
+-- awk '{if($1>980){print $1,$14;}else{next;}}' onek.data | sort +1d -2
+--
+--SELECT onek2.unique1, onek2.stringu1
+-- WHERE onek2.unique1 > 980
+-- ORDER BY stringu1 using <;
+
+SELECT two, stringu1, ten, string4
INTO TABLE tmp
FROM onek;
-QUERY: SELECT p.name, p.age FROM person* p;
-name |age
--------+---
-mike | 40
-joe | 20
-sally | 34
-sandra | 19
-alex | 30
-sue | 50
-denise | 24
-sarah | 88
-teresa | 38
-nan | 28
-leah | 68
-wendy | 78
-melissa| 28
-joan | 18
-mary | 8
-jane | 58
-liza | 38
-jean | 28
-jenifer| 38
-juanita| 58
-susan | 78
-zena | 98
-martie | 88
-chris | 78
-pat | 18
-zola | 58
-louise | 98
-edna | 18
-bertha | 88
-sumi | 38
-koko | 88
-gina | 18
-rean | 48
-sharon | 78
-paula | 68
-julie | 68
-belinda| 38
-karen | 48
-carina | 58
-diane | 18
-esther | 98
-trudy | 88
-fanny | 8
-carmen | 78
-lita | 25
-pamela | 48
-sandy | 38
-trisha | 88
-vera | 78
-velma | 68
-sharon | 25
-sam | 30
-bill | 20
-fred | 28
-larry | 60
-jeff | 23
-cim | 30
-linda | 19
+--
+-- awk '{print $1,$2;}' person.data |
+-- awk '{if(NF!=2){print $3,$2;}else{print;}}' - emp.data |
+-- awk '{if(NF!=2){print $3,$2;}else{print;}}' - student.data |
+-- awk 'BEGIN{FS=" ";}{if(NF!=2){print $4,$5;}else{print;}}' - stud_emp.data
+--
+-- SELECT name, age FROM person*; ??? check if different
+SELECT p.name, p.age FROM person* p;
+ name | age
+---------+-----
+ mike | 40
+ joe | 20
+ sally | 34
+ sandra | 19
+ alex | 30
+ sue | 50
+ denise | 24
+ sarah | 88
+ teresa | 38
+ nan | 28
+ leah | 68
+ wendy | 78
+ melissa | 28
+ joan | 18
+ mary | 8
+ jane | 58
+ liza | 38
+ jean | 28
+ jenifer | 38
+ juanita | 58
+ susan | 78
+ zena | 98
+ martie | 88
+ chris | 78
+ pat | 18
+ zola | 58
+ louise | 98
+ edna | 18
+ bertha | 88
+ sumi | 38
+ koko | 88
+ gina | 18
+ rean | 48
+ sharon | 78
+ paula | 68
+ julie | 68
+ belinda | 38
+ karen | 48
+ carina | 58
+ diane | 18
+ esther | 98
+ trudy | 88
+ fanny | 8
+ carmen | 78
+ lita | 25
+ pamela | 48
+ sandy | 38
+ trisha | 88
+ vera | 78
+ velma | 68
+ sharon | 25
+ sam | 30
+ bill | 20
+ fred | 28
+ larry | 60
+ jeff | 23
+ cim | 30
+ linda | 19
(58 rows)
-QUERY: SELECT p.name, p.age FROM person* p ORDER BY age using >, name;
-name |age
--------+---
-esther | 98
-louise | 98
-zena | 98
-bertha | 88
-koko | 88
-martie | 88
-sarah | 88
-trisha | 88
-trudy | 88
-carmen | 78
-chris | 78
-sharon | 78
-susan | 78
-vera | 78
-wendy | 78
-julie | 68
-leah | 68
-paula | 68
-velma | 68
-larry | 60
-carina | 58
-jane | 58
-juanita| 58
-zola | 58
-sue | 50
-karen | 48
-pamela | 48
-rean | 48
-mike | 40
-belinda| 38
-jenifer| 38
-liza | 38
-sandy | 38
-sumi | 38
-teresa | 38
-sally | 34
-alex | 30
-cim | 30
-sam | 30
-fred | 28
-jean | 28
-melissa| 28
-nan | 28
-lita | 25
-sharon | 25
-denise | 24
-jeff | 23
-bill | 20
-joe | 20
-linda | 19
-sandra | 19
-diane | 18
-edna | 18
-gina | 18
-joan | 18
-pat | 18
-fanny | 8
-mary | 8
+--
+-- awk '{print $1,$2;}' person.data |
+-- awk '{if(NF!=2){print $3,$2;}else{print;}}' - emp.data |
+-- awk '{if(NF!=2){print $3,$2;}else{print;}}' - student.data |
+-- awk 'BEGIN{FS=" ";}{if(NF!=1){print $4,$5;}else{print;}}' - stud_emp.data |
+-- sort +1nr -2
+--
+SELECT p.name, p.age FROM person* p ORDER BY age using >, name;
+ name | age
+---------+-----
+ esther | 98
+ louise | 98
+ zena | 98
+ bertha | 88
+ koko | 88
+ martie | 88
+ sarah | 88
+ trisha | 88
+ trudy | 88
+ carmen | 78
+ chris | 78
+ sharon | 78
+ susan | 78
+ vera | 78
+ wendy | 78
+ julie | 68
+ leah | 68
+ paula | 68
+ velma | 68
+ larry | 60
+ carina | 58
+ jane | 58
+ juanita | 58
+ zola | 58
+ sue | 50
+ karen | 48
+ pamela | 48
+ rean | 48
+ mike | 40
+ belinda | 38
+ jenifer | 38
+ liza | 38
+ sandy | 38
+ sumi | 38
+ teresa | 38
+ sally | 34
+ alex | 30
+ cim | 30
+ sam | 30
+ fred | 28
+ jean | 28
+ melissa | 28
+ nan | 28
+ lita | 25
+ sharon | 25
+ denise | 24
+ jeff | 23
+ bill | 20
+ joe | 20
+ linda | 19
+ sandra | 19
+ diane | 18
+ edna | 18
+ gina | 18
+ joan | 18
+ pat | 18
+ fanny | 8
+ mary | 8
(58 rows)
-QUERY: SELECT DISTINCT two FROM tmp;
-two
----
- 0
- 1
+--
+-- SELECT_DISTINCT
+--
+--
+-- awk '{print $3;}' onek.data | sort -n | uniq
+--
+SELECT DISTINCT two FROM tmp;
+ two
+-----
+ 0
+ 1
(2 rows)
-QUERY: SELECT DISTINCT ten FROM tmp;
-ten
----
- 0
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
+--
+-- awk '{print $5;}' onek.data | sort -n | uniq
+--
+SELECT DISTINCT ten FROM tmp;
+ ten
+-----
+ 0
+ 1
+ 2
+ 3
+ 4
+ 5
+ 6
+ 7
+ 8
+ 9
(10 rows)
-QUERY: SELECT DISTINCT string4 FROM tmp;
-string4
--------
-AAAAxx
-HHHHxx
-OOOOxx
-VVVVxx
+--
+-- awk '{print $16;}' onek.data | sort -d | uniq
+--
+SELECT DISTINCT string4 FROM tmp;
+ string4
+---------
+ AAAAxx
+ HHHHxx
+ OOOOxx
+ VVVVxx
(4 rows)
-QUERY: SELECT DISTINCT two, string4, ten
+--
+-- awk '{print $3,$16,$5;}' onek.data | sort -d | uniq |
+-- sort +0n -1 +1d -2 +2n -3
+--
+SELECT DISTINCT two, string4, ten
FROM tmp
ORDER BY two using <, string4 using <, ten using <;
-two|string4|ten
----+-------+---
- 0|AAAAxx | 0
- 0|AAAAxx | 2
- 0|AAAAxx | 4
- 0|AAAAxx | 6
- 0|AAAAxx | 8
- 0|HHHHxx | 0
- 0|HHHHxx | 2
- 0|HHHHxx | 4
- 0|HHHHxx | 6
- 0|HHHHxx | 8
- 0|OOOOxx | 0
- 0|OOOOxx | 2
- 0|OOOOxx | 4
- 0|OOOOxx | 6
- 0|OOOOxx | 8
- 0|VVVVxx | 0
- 0|VVVVxx | 2
- 0|VVVVxx | 4
- 0|VVVVxx | 6
- 0|VVVVxx | 8
- 1|AAAAxx | 1
- 1|AAAAxx | 3
- 1|AAAAxx | 5
- 1|AAAAxx | 7
- 1|AAAAxx | 9
- 1|HHHHxx | 1
- 1|HHHHxx | 3
- 1|HHHHxx | 5
- 1|HHHHxx | 7
- 1|HHHHxx | 9
- 1|OOOOxx | 1
- 1|OOOOxx | 3
- 1|OOOOxx | 5
- 1|OOOOxx | 7
- 1|OOOOxx | 9
- 1|VVVVxx | 1
- 1|VVVVxx | 3
- 1|VVVVxx | 5
- 1|VVVVxx | 7
- 1|VVVVxx | 9
+ two | string4 | ten
+-----+---------+-----
+ 0 | AAAAxx | 0
+ 0 | AAAAxx | 2
+ 0 | AAAAxx | 4
+ 0 | AAAAxx | 6
+ 0 | AAAAxx | 8
+ 0 | HHHHxx | 0
+ 0 | HHHHxx | 2
+ 0 | HHHHxx | 4
+ 0 | HHHHxx | 6
+ 0 | HHHHxx | 8
+ 0 | OOOOxx | 0
+ 0 | OOOOxx | 2
+ 0 | OOOOxx | 4
+ 0 | OOOOxx | 6
+ 0 | OOOOxx | 8
+ 0 | VVVVxx | 0
+ 0 | VVVVxx | 2
+ 0 | VVVVxx | 4
+ 0 | VVVVxx | 6
+ 0 | VVVVxx | 8
+ 1 | AAAAxx | 1
+ 1 | AAAAxx | 3
+ 1 | AAAAxx | 5
+ 1 | AAAAxx | 7
+ 1 | AAAAxx | 9
+ 1 | HHHHxx | 1
+ 1 | HHHHxx | 3
+ 1 | HHHHxx | 5
+ 1 | HHHHxx | 7
+ 1 | HHHHxx | 9
+ 1 | OOOOxx | 1
+ 1 | OOOOxx | 3
+ 1 | OOOOxx | 5
+ 1 | OOOOxx | 7
+ 1 | OOOOxx | 9
+ 1 | VVVVxx | 1
+ 1 | VVVVxx | 3
+ 1 | VVVVxx | 5
+ 1 | VVVVxx | 7
+ 1 | VVVVxx | 9
(40 rows)
-QUERY: SELECT DISTINCT p.age FROM person* p ORDER BY age using >;
-age
----
- 98
- 88
- 78
- 68
- 60
- 58
- 50
- 48
- 40
- 38
- 34
- 30
- 28
- 25
- 24
- 23
- 20
- 19
- 18
- 8
+--
+-- awk '{print $2;}' person.data |
+-- awk '{if(NF!=1){print $2;}else{print;}}' - emp.data |
+-- awk '{if(NF!=1){print $2;}else{print;}}' - student.data |
+-- awk 'BEGIN{FS=" ";}{if(NF!=1){print $5;}else{print;}}' - stud_emp.data |
+-- sort -n -r | uniq
+--
+SELECT DISTINCT p.age FROM person* p ORDER BY age using >;
+ age
+-----
+ 98
+ 88
+ 78
+ 68
+ 60
+ 58
+ 50
+ 48
+ 40
+ 38
+ 34
+ 30
+ 28
+ 25
+ 24
+ 23
+ 20
+ 19
+ 18
+ 8
(20 rows)
-QUERY: SELECT DISTINCT ON string4 two, string4, ten
+--
+-- SELECT_DISTINCT_ON
+--
+SELECT DISTINCT ON string4 two, string4, ten
FROM tmp
ORDER BY two using <, string4 using <, ten using <;
-two|string4|ten
----+-------+---
- 0|AAAAxx | 0
- 0|HHHHxx | 0
- 0|OOOOxx | 0
- 0|VVVVxx | 0
- 1|AAAAxx | 1
- 1|HHHHxx | 1
- 1|OOOOxx | 1
- 1|VVVVxx | 1
+ two | string4 | ten
+-----+---------+-----
+ 0 | AAAAxx | 0
+ 0 | HHHHxx | 0
+ 0 | OOOOxx | 0
+ 0 | VVVVxx | 0
+ 1 | AAAAxx | 1
+ 1 | HHHHxx | 1
+ 1 | OOOOxx | 1
+ 1 | VVVVxx | 1
(8 rows)
-QUERY: CREATE TABLE test_having (a int, b int, c char(8), d char);
-QUERY: INSERT INTO test_having VALUES (0, 1, 'XXXX', 'A');
-QUERY: INSERT INTO test_having VALUES (1, 2, 'AAAA', 'b');
-QUERY: INSERT INTO test_having VALUES (2, 2, 'AAAA', 'c');
-QUERY: INSERT INTO test_having VALUES (3, 3, 'BBBB', 'D');
-QUERY: INSERT INTO test_having VALUES (4, 3, 'BBBB', 'e');
-QUERY: INSERT INTO test_having VALUES (5, 3, 'bbbb', 'F');
-QUERY: INSERT INTO test_having VALUES (6, 4, 'cccc', 'g');
-QUERY: INSERT INTO test_having VALUES (7, 4, 'cccc', 'h');
-QUERY: INSERT INTO test_having VALUES (8, 4, 'CCCC', 'I');
-QUERY: INSERT INTO test_having VALUES (9, 4, 'CCCC', 'j');
-QUERY: SELECT b, c FROM test_having
+--
+-- SELECT_HAVING
+--
+-- load test data
+CREATE TABLE test_having (a int, b int, c char(8), d char);
+INSERT INTO test_having VALUES (0, 1, 'XXXX', 'A');
+INSERT INTO test_having VALUES (1, 2, 'AAAA', 'b');
+INSERT INTO test_having VALUES (2, 2, 'AAAA', 'c');
+INSERT INTO test_having VALUES (3, 3, 'BBBB', 'D');
+INSERT INTO test_having VALUES (4, 3, 'BBBB', 'e');
+INSERT INTO test_having VALUES (5, 3, 'bbbb', 'F');
+INSERT INTO test_having VALUES (6, 4, 'cccc', 'g');
+INSERT INTO test_having VALUES (7, 4, 'cccc', 'h');
+INSERT INTO test_having VALUES (8, 4, 'CCCC', 'I');
+INSERT INTO test_having VALUES (9, 4, 'CCCC', 'j');
+SELECT b, c FROM test_having
GROUP BY b, c HAVING count(*) = 1;
-b|c
--+--------
-1|XXXX
-3|bbbb
+ b | c
+---+----------
+ 1 | XXXX
+ 3 | bbbb
(2 rows)
-QUERY: SELECT lower(c), count(c) FROM test_having
+SELECT lower(c), count(c) FROM test_having
GROUP BY lower(c) HAVING count(*) > 2 OR min(a) = max(a);
-lower |count
---------+-----
-bbbb | 3
-cccc | 4
-xxxx | 1
+ lower | count
+----------+-------
+ bbbb | 3
+ cccc | 4
+ xxxx | 1
(3 rows)
-QUERY: SELECT c, max(a) FROM test_having
+SELECT c, max(a) FROM test_having
GROUP BY c HAVING count(*) > 2 OR min(a) = max(a);
-c |max
---------+---
-XXXX | 0
-bbbb | 5
+ c | max
+----------+-----
+ XXXX | 0
+ bbbb | 5
(2 rows)
-QUERY: DROP TABLE test_having;
+DROP TABLE test_having;
-QUERY: CREATE TABLE test_missing_target (a int, b int, c char(8), d char);
-QUERY: INSERT INTO test_missing_target VALUES (0, 1, 'XXXX', 'A');
-QUERY: INSERT INTO test_missing_target VALUES (1, 2, 'AAAA', 'b');
-QUERY: INSERT INTO test_missing_target VALUES (2, 2, 'AAAA', 'c');
-QUERY: INSERT INTO test_missing_target VALUES (3, 3, 'BBBB', 'D');
-QUERY: INSERT INTO test_missing_target VALUES (4, 3, 'BBBB', 'e');
-QUERY: INSERT INTO test_missing_target VALUES (5, 3, 'bbbb', 'F');
-QUERY: INSERT INTO test_missing_target VALUES (6, 4, 'cccc', 'g');
-QUERY: INSERT INTO test_missing_target VALUES (7, 4, 'cccc', 'h');
-QUERY: INSERT INTO test_missing_target VALUES (8, 4, 'CCCC', 'I');
-QUERY: INSERT INTO test_missing_target VALUES (9, 4, 'CCCC', 'j');
-QUERY: SELECT c, count(*) FROM test_missing_target GROUP BY test_missing_target.c;
-c |count
---------+-----
-AAAA | 2
-BBBB | 2
-CCCC | 2
-XXXX | 1
-bbbb | 1
-cccc | 2
+--
+-- SELECT_IMPLICIT
+-- Test cases for queries with ordering terms missing from the target list.
+-- This used to be called "junkfilter.sql".
+-- The parser uses the term "resjunk" to handle these cases.
+-- - thomas 1998-07-09
+--
+-- load test data
+CREATE TABLE test_missing_target (a int, b int, c char(8), d char);
+INSERT INTO test_missing_target VALUES (0, 1, 'XXXX', 'A');
+INSERT INTO test_missing_target VALUES (1, 2, 'AAAA', 'b');
+INSERT INTO test_missing_target VALUES (2, 2, 'AAAA', 'c');
+INSERT INTO test_missing_target VALUES (3, 3, 'BBBB', 'D');
+INSERT INTO test_missing_target VALUES (4, 3, 'BBBB', 'e');
+INSERT INTO test_missing_target VALUES (5, 3, 'bbbb', 'F');
+INSERT INTO test_missing_target VALUES (6, 4, 'cccc', 'g');
+INSERT INTO test_missing_target VALUES (7, 4, 'cccc', 'h');
+INSERT INTO test_missing_target VALUES (8, 4, 'CCCC', 'I');
+INSERT INTO test_missing_target VALUES (9, 4, 'CCCC', 'j');
+-- w/ existing GROUP BY target
+SELECT c, count(*) FROM test_missing_target GROUP BY test_missing_target.c;
+ c | count
+----------+-------
+ AAAA | 2
+ BBBB | 2
+ CCCC | 2
+ XXXX | 1
+ bbbb | 1
+ cccc | 2
(6 rows)
-QUERY: SELECT count(*) FROM test_missing_target GROUP BY test_missing_target.c;
-count
------
- 2
- 2
- 2
- 1
- 1
- 2
+-- w/o existing GROUP BY target using a relation name in GROUP BY clause
+SELECT count(*) FROM test_missing_target GROUP BY test_missing_target.c;
+ count
+-------
+ 2
+ 2
+ 2
+ 1
+ 1
+ 2
(6 rows)
-QUERY: SELECT count(*) FROM test_missing_target GROUP BY a ORDER BY b;
+-- w/o existing GROUP BY target and w/o existing a different ORDER BY target
+-- failure expected
+SELECT count(*) FROM test_missing_target GROUP BY a ORDER BY b;
ERROR: Attribute test_missing_target.b must be GROUPed or used in an aggregate function
-QUERY: SELECT count(*) FROM test_missing_target GROUP BY b ORDER BY b;
-count
------
- 1
- 2
- 3
- 4
+-- w/o existing GROUP BY target and w/o existing same ORDER BY target
+SELECT count(*) FROM test_missing_target GROUP BY b ORDER BY b;
+ count
+-------
+ 1
+ 2
+ 3
+ 4
(4 rows)
-QUERY: SELECT test_missing_target.b, count(*)
+-- w/ existing GROUP BY target using a relation name in target
+SELECT test_missing_target.b, count(*)
FROM test_missing_target GROUP BY b ORDER BY b;
-b|count
--+-----
-1| 1
-2| 2
-3| 3
-4| 4
+ b | count
+---+-------
+ 1 | 1
+ 2 | 2
+ 3 | 3
+ 4 | 4
(4 rows)
-QUERY: SELECT c FROM test_missing_target ORDER BY a;
-c
---------
-XXXX
-AAAA
-AAAA
-BBBB
-BBBB
-bbbb
-cccc
-cccc
-CCCC
-CCCC
+-- w/o existing GROUP BY target
+SELECT c FROM test_missing_target ORDER BY a;
+ c
+----------
+ XXXX
+ AAAA
+ AAAA
+ BBBB
+ BBBB
+ bbbb
+ cccc
+ cccc
+ CCCC
+ CCCC
(10 rows)
-QUERY: SELECT count(*) FROM test_missing_target GROUP BY b ORDER BY b desc;
-count
------
- 4
- 3
- 2
- 1
+-- w/o existing ORDER BY target
+SELECT count(*) FROM test_missing_target GROUP BY b ORDER BY b desc;
+ count
+-------
+ 4
+ 3
+ 2
+ 1
(4 rows)
-QUERY: SELECT count(*) FROM test_missing_target ORDER BY 1 desc;
-count
------
- 10
+-- group using reference number
+SELECT count(*) FROM test_missing_target ORDER BY 1 desc;
+ count
+-------
+ 10
(1 row)
-QUERY: SELECT c, count(*) FROM test_missing_target GROUP BY 1;
-c |count
---------+-----
-AAAA | 2
-BBBB | 2
-CCCC | 2
-XXXX | 1
-bbbb | 1
-cccc | 2
+-- order using reference number
+SELECT c, count(*) FROM test_missing_target GROUP BY 1;
+ c | count
+----------+-------
+ AAAA | 2
+ BBBB | 2
+ CCCC | 2
+ XXXX | 1
+ bbbb | 1
+ cccc | 2
(6 rows)
-QUERY: SELECT c, count(*) FROM test_missing_target GROUP BY 3;
+-- group using reference number out of range
+-- failure expected
+SELECT c, count(*) FROM test_missing_target GROUP BY 3;
ERROR: GROUP BY position 3 is not in target list
-QUERY: SELECT count(*) FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY and ORDER BY target under ambiguous condition
+-- failure expected
+SELECT count(*) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY b ORDER BY b;
ERROR: Column 'b' is ambiguous
-QUERY: SELECT a, a FROM test_missing_target
+-- order w/ target under ambiguous condition
+-- failure NOT expected
+SELECT a, a FROM test_missing_target
ORDER BY a;
-a|a
--+-
-0|0
-1|1
-2|2
-3|3
-4|4
-5|5
-6|6
-7|7
-8|8
-9|9
+ a | a
+---+---
+ 0 | 0
+ 1 | 1
+ 2 | 2
+ 3 | 3
+ 4 | 4
+ 5 | 5
+ 6 | 6
+ 7 | 7
+ 8 | 8
+ 9 | 9
(10 rows)
-QUERY: SELECT a/2, a/2 FROM test_missing_target
+-- order expression w/ target under ambiguous condition
+-- failure NOT expected
+SELECT a/2, a/2 FROM test_missing_target
ORDER BY a/2;
-?column?|?column?
---------+--------
- 0| 0
- 0| 0
- 1| 1
- 1| 1
- 2| 2
- 2| 2
- 3| 3
- 3| 3
- 4| 4
- 4| 4
+ ?column? | ?column?
+----------+----------
+ 0 | 0
+ 0 | 0
+ 1 | 1
+ 1 | 1
+ 2 | 2
+ 2 | 2
+ 3 | 3
+ 3 | 3
+ 4 | 4
+ 4 | 4
(10 rows)
-QUERY: SELECT a/2, a/2 FROM test_missing_target
+-- group expression w/ target under ambiguous condition
+-- failure NOT expected
+SELECT a/2, a/2 FROM test_missing_target
GROUP BY a/2;
-?column?|?column?
---------+--------
- 0| 0
- 1| 1
- 2| 2
- 3| 3
- 4| 4
+ ?column? | ?column?
+----------+----------
+ 0 | 0
+ 1 | 1
+ 2 | 2
+ 3 | 3
+ 4 | 4
(5 rows)
-QUERY: SELECT x.b, count(*) FROM test_missing_target x, test_missing_target y
+-- group w/ existing GROUP BY target under ambiguous condition
+SELECT x.b, count(*) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b;
-b|count
--+-----
-1| 1
-2| 2
-3| 3
-4| 4
+ b | count
+---+-------
+ 1 | 1
+ 2 | 2
+ 3 | 3
+ 4 | 4
(4 rows)
-QUERY: SELECT count(*) FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY target under ambiguous condition
+SELECT count(*) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b;
-count
------
- 1
- 2
- 3
- 4
+ count
+-------
+ 1
+ 2
+ 3
+ 4
(4 rows)
-QUERY: SELECT count(*) INTO TABLE test_missing_target2
-FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY target under ambiguous condition
+-- into a table
+SELECT count(*) INTO TABLE test_missing_target2
+FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b;
-QUERY: SELECT * FROM test_missing_target2;
-count
------
- 1
- 2
- 3
- 4
+SELECT * FROM test_missing_target2;
+ count
+-------
+ 1
+ 2
+ 3
+ 4
(4 rows)
-QUERY: SELECT a%2, count(b) FROM test_missing_target GROUP BY test_missing_target.a%2;
-?column?|count
---------+-----
- 0| 5
- 1| 5
+-- Functions and expressions
+-- w/ existing GROUP BY target
+SELECT a%2, count(b) FROM test_missing_target GROUP BY test_missing_target.a%2;
+ ?column? | count
+----------+-------
+ 0 | 5
+ 1 | 5
(2 rows)
-QUERY: SELECT count(c) FROM test_missing_target GROUP BY lower(test_missing_target.c);
-count
------
- 2
- 3
- 4
- 1
+-- w/o existing GROUP BY target using a relation name in GROUP BY clause
+SELECT count(c) FROM test_missing_target GROUP BY lower(test_missing_target.c);
+ count
+-------
+ 2
+ 3
+ 4
+ 1
(4 rows)
-QUERY: SELECT count(a) FROM test_missing_target GROUP BY a ORDER BY b;
+-- w/o existing GROUP BY target and w/o existing a different ORDER BY target
+-- failure expected
+SELECT count(a) FROM test_missing_target GROUP BY a ORDER BY b;
ERROR: Attribute test_missing_target.b must be GROUPed or used in an aggregate function
-QUERY: SELECT count(b) FROM test_missing_target GROUP BY b/2 ORDER BY b/2;
-count
------
- 1
- 5
- 4
+-- w/o existing GROUP BY target and w/o existing same ORDER BY target
+SELECT count(b) FROM test_missing_target GROUP BY b/2 ORDER BY b/2;
+ count
+-------
+ 1
+ 5
+ 4
(3 rows)
-QUERY: SELECT lower(test_missing_target.c), count(c)
+-- w/ existing GROUP BY target using a relation name in target
+SELECT lower(test_missing_target.c), count(c)
FROM test_missing_target GROUP BY lower(c) ORDER BY lower(c);
-lower |count
---------+-----
-aaaa | 2
-bbbb | 3
-cccc | 4
-xxxx | 1
+ lower | count
+----------+-------
+ aaaa | 2
+ bbbb | 3
+ cccc | 4
+ xxxx | 1
(4 rows)
-QUERY: SELECT a FROM test_missing_target ORDER BY upper(d);
-a
--
-0
-1
-2
-3
-4
-5
-6
-7
-8
-9
+-- w/o existing GROUP BY target
+SELECT a FROM test_missing_target ORDER BY upper(d);
+ a
+---
+ 0
+ 1
+ 2
+ 3
+ 4
+ 5
+ 6
+ 7
+ 8
+ 9
(10 rows)
-QUERY: SELECT count(b) FROM test_missing_target
+-- w/o existing ORDER BY target
+SELECT count(b) FROM test_missing_target
GROUP BY (b + 1) / 2 ORDER BY (b + 1) / 2 desc;
-count
------
- 7
- 3
+ count
+-------
+ 7
+ 3
(2 rows)
-QUERY: SELECT count(x.a) FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY and ORDER BY target under ambiguous condition
+-- failure expected
+SELECT count(x.a) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY b/2 ORDER BY b/2;
ERROR: Column 'b' is ambiguous
-QUERY: SELECT x.b/2, count(x.b) FROM test_missing_target x, test_missing_target y
+-- group w/ existing GROUP BY target under ambiguous condition
+SELECT x.b/2, count(x.b) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b/2;
-?column?|count
---------+-----
- 0| 1
- 1| 5
- 2| 4
+ ?column? | count
+----------+-------
+ 0 | 1
+ 1 | 5
+ 2 | 4
(3 rows)
-QUERY: SELECT count(b) FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY target under ambiguous condition
+-- failure expected due to ambiguous b in count(b)
+SELECT count(b) FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b/2;
ERROR: Column 'b' is ambiguous
-QUERY: SELECT count(x.b) INTO TABLE test_missing_target3
-FROM test_missing_target x, test_missing_target y
+-- group w/o existing GROUP BY target under ambiguous condition
+-- into a table
+SELECT count(x.b) INTO TABLE test_missing_target3
+FROM test_missing_target x, test_missing_target y
WHERE x.a = y.a
GROUP BY x.b/2;
-QUERY: SELECT * FROM test_missing_target3;
-count
------
- 1
- 5
- 4
+SELECT * FROM test_missing_target3;
+ count
+-------
+ 1
+ 5
+ 4
(3 rows)
-QUERY: DROP TABLE test_missing_target;
-QUERY: DROP TABLE test_missing_target2;
-QUERY: DROP TABLE test_missing_target3;
+-- Cleanup
+DROP TABLE test_missing_target;
+DROP TABLE test_missing_target2;
+DROP TABLE test_missing_target3;
-QUERY: SELECT *
+--
+-- SELECT_INTO
+--
+SELECT *
INTO TABLE tmp1
FROM tmp
WHERE onek.unique1 < 2;
-QUERY: DROP TABLE tmp1;
-QUERY: SELECT *
+DROP TABLE tmp1;
+SELECT *
INTO TABLE tmp1
FROM tmp
WHERE onek2.unique1 < 2;
-QUERY: DROP TABLE tmp1;
+DROP TABLE tmp1;
-QUERY: SELECT 1 AS one WHERE 1 IN (SELECT 1);
-one
----
- 1
+--
+-- SUBSELECT
+--
+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
-----
+SELECT 1 AS zero WHERE 1 NOT IN (SELECT 1);
+ zero
+------
(0 rows)
-QUERY: SELECT 1 AS zero WHERE 1 IN (SELECT 2);
-zero
-----
+SELECT 1 AS zero WHERE 1 IN (SELECT 2);
+ zero
+------
(0 rows)
-QUERY: CREATE TABLE SUBSELECT_TBL (
+-- Set up some simple test tables
+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|
+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;
+ 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
+-- Uncorrelated subselects
+SELECT '' AS two, f1 AS "Constant Select" FROM SUBSELECT_TBL
WHERE f1 IN (SELECT 1);
-two|Constant Select
----+---------------
- | 1
- | 1
+ two | Constant Select
+-----+-----------------
+ | 1
+ | 1
(2 rows)
-QUERY: SELECT '' AS six, f1 AS "Uncorrelated Field" FROM SUBSELECT_TBL
+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
+ six | Uncorrelated Field
+-----+--------------------
+ | 1
+ | 2
+ | 3
+ | 1
+ | 2
+ | 3
(6 rows)
-QUERY: SELECT '' AS six, f1 AS "Uncorrelated Field" 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));
-six|Uncorrelated Field
----+------------------
- | 1
- | 2
- | 3
- | 1
- | 2
- | 3
+ six | Uncorrelated Field
+-----+--------------------
+ | 1
+ | 2
+ | 3
+ | 1
+ | 2
+ | 3
(6 rows)
-QUERY: SELECT '' AS six, f1 AS "Correlated Field", f3 AS "Second Field"
+-- 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);
-six|Correlated Field|Second Field
----+----------------+------------
- | 1| 3
- | 2| 4
- | 3| 5
- | 1| 1
- | 2| 2
- | 3| 3
+ 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"
+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
+ 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"
+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"
+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
+ five | Correlated Field
+------+------------------
+ | 2
+ | 3
+ | 1
+ | 2
+ | 3
(5 rows)
-QUERY: SELECT '' AS three, f1 AS "Correlated Field"
+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
+ three | Correlated Field
+-------+------------------
+ | 1
+ | 6
+ | 8
(3 rows)
-QUERY: SELECT '' AS eight, ss.f1 AS "Correlated Field", ss.f3 AS "Second Field"
+--
+-- 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);
-eight|Correlated Field|Second Field
------+----------------+------------
- | 1| 3
- | 2| 4
- | 3| 5
- | 1| 1
- | 2| 2
- | 3| 3
- | 6| 8
- | 8|
+ eight | Correlated Field | Second Field
+-------+------------------+--------------
+ | 1 | 3
+ | 2 | 4
+ | 3 | 5
+ | 1 | 1
+ | 2 | 2
+ | 3 | 3
+ | 6 | 8
+ | 8 |
(8 rows)
-QUERY: SELECT 1 AS two UNION SELECT 2;
-two
----
- 1
- 2
+--
+-- UNION
+--
+-- Simple UNION constructs
+SELECT 1 AS two UNION SELECT 2;
+ two
+-----
+ 1
+ 2
(2 rows)
-QUERY: SELECT 1 AS one UNION SELECT 1;
-one
----
- 1
+SELECT 1 AS one UNION SELECT 1;
+ one
+-----
+ 1
(1 row)
-QUERY: SELECT 1 AS two UNION ALL SELECT 2;
-two
----
- 1
- 2
+SELECT 1 AS two UNION ALL SELECT 2;
+ two
+-----
+ 1
+ 2
(2 rows)
-QUERY: SELECT 1 AS two UNION ALL SELECT 1;
-two
----
- 1
- 1
+SELECT 1 AS two UNION ALL SELECT 1;
+ two
+-----
+ 1
+ 1
(2 rows)
-QUERY: SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
-three
------
- 1
- 2
- 3
+SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
+ three
+-------
+ 1
+ 2
+ 3
(3 rows)
-QUERY: SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
-two
----
- 1
- 2
+SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
+ two
+-----
+ 1
+ 2
(2 rows)
-QUERY: SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
-three
------
- 1
- 2
- 2
+SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
+ three
+-------
+ 1
+ 2
+ 2
(3 rows)
-QUERY: SELECT 1.1 AS two UNION SELECT 2.2;
-two
----
-1.1
-2.2
+SELECT 1.1 AS two UNION SELECT 2.2;
+ two
+-----
+ 1.1
+ 2.2
(2 rows)
-QUERY: SELECT 1.1 AS two UNION SELECT 2;
-two
----
-1.1
- 2
+-- Mixed types
+SELECT 1.1 AS two UNION SELECT 2;
+ two
+-----
+ 1.1
+ 2
(2 rows)
-QUERY: SELECT 1 AS two UNION SELECT 2.2;
-two
----
- 1
- 2
+SELECT 1 AS two UNION SELECT 2.2;
+ two
+-----
+ 1
+ 2
(2 rows)
-QUERY: SELECT 1 AS one UNION SELECT 1.1;
-one
----
- 1
+SELECT 1 AS one UNION SELECT 1.1;
+ one
+-----
+ 1
(1 row)
-QUERY: SELECT 1.1 AS two UNION ALL SELECT 2;
-two
----
-1.1
- 2
+SELECT 1.1 AS two UNION ALL SELECT 2;
+ two
+-----
+ 1.1
+ 2
(2 rows)
-QUERY: SELECT 1 AS two UNION ALL SELECT 1;
-two
----
- 1
- 1
+SELECT 1 AS two UNION ALL SELECT 1;
+ two
+-----
+ 1
+ 1
(2 rows)
-QUERY: SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
-three
------
- 1
- 2
- 3
+SELECT 1 AS three UNION SELECT 2 UNION SELECT 3;
+ three
+-------
+ 1
+ 2
+ 3
(3 rows)
-QUERY: SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
-two
----
- 1
- 2
+SELECT 1 AS two UNION SELECT 2 UNION SELECT 2;
+ two
+-----
+ 1
+ 2
(2 rows)
-QUERY: SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
-three
------
- 1
- 2
- 2
+SELECT 1 AS three UNION SELECT 2 UNION ALL SELECT 2;
+ three
+-------
+ 1
+ 2
+ 2
(3 rows)
-QUERY: SELECT f1 AS five FROM FLOAT8_TBL
+--
+-- Try testing from tables...
+--
+SELECT f1 AS five FROM FLOAT8_TBL
UNION
SELECT f1 FROM FLOAT8_TBL;
-five
----------------------
--1.2345678901234e+200
--1004.3
--34.84
--1.2345678901234e-200
-0
+ five
+-----------------------
+ -1.2345678901234e+200
+ -1004.3
+ -34.84
+ -1.2345678901234e-200
+ 0
(5 rows)
-QUERY: SELECT f1 AS ten FROM FLOAT8_TBL
+SELECT f1 AS ten FROM FLOAT8_TBL
UNION ALL
SELECT f1 FROM FLOAT8_TBL;
-ten
----------------------
-0
--34.84
--1004.3
--1.2345678901234e+200
--1.2345678901234e-200
-0
--34.84
--1004.3
--1.2345678901234e+200
--1.2345678901234e-200
+ ten
+-----------------------
+ 0
+ -34.84
+ -1004.3
+ -1.2345678901234e+200
+ -1.2345678901234e-200
+ 0
+ -34.84
+ -1004.3
+ -1.2345678901234e+200
+ -1.2345678901234e-200
(10 rows)
-QUERY: SELECT f1 AS nine FROM FLOAT8_TBL
+SELECT f1 AS nine FROM FLOAT8_TBL
UNION
SELECT f1 FROM INT4_TBL;
-nine
----------------------
--1.2345678901234e+200
--2147483647
--123456
--1004.3
--34.84
--1.2345678901234e-200
-0
-123456
-2147483647
+ nine
+-----------------------
+ -1.2345678901234e+200
+ -2147483647
+ -123456
+ -1004.3
+ -34.84
+ -1.2345678901234e-200
+ 0
+ 123456
+ 2147483647
(9 rows)
-QUERY: SELECT f1 AS ten FROM FLOAT8_TBL
+SELECT f1 AS ten FROM FLOAT8_TBL
UNION ALL
SELECT f1 FROM INT4_TBL;
-ten
----------------------
-0
--34.84
--1004.3
--1.2345678901234e+200
--1.2345678901234e-200
-0
-123456
--123456
-2147483647
--2147483647
+ ten
+-----------------------
+ 0
+ -34.84
+ -1004.3
+ -1.2345678901234e+200
+ -1.2345678901234e-200
+ 0
+ 123456
+ -123456
+ 2147483647
+ -2147483647
(10 rows)
-QUERY: SELECT f1 AS five FROM FLOAT8_TBL
+SELECT f1 AS five FROM FLOAT8_TBL
WHERE f1 BETWEEN -1e6 AND 1e6
UNION
SELECT f1 FROM INT4_TBL
WHERE f1 BETWEEN 0 AND 1000000;
- five
----------------------
- -1004.3
- -34.84
--1.2345678901234e-200
- 0
- 123456
+ five
+-----------------------
+ -1004.3
+ -34.84
+ -1.2345678901234e-200
+ 0
+ 123456
(5 rows)
-QUERY: SELECT f1 AS five FROM VARCHAR_TBL
+SELECT f1 AS five FROM VARCHAR_TBL
UNION
SELECT f1 FROM CHAR_TBL;
-five
-----
-a
-a
-ab
-ab
-abcd
+ five
+------
+ a
+ a
+ ab
+ ab
+ abcd
(5 rows)
-QUERY: SELECT f1 AS three FROM VARCHAR_TBL
+SELECT f1 AS three FROM VARCHAR_TBL
UNION
SELECT TRIM(TRAILING FROM f1) FROM CHAR_TBL;
-three
------
-a
-ab
-abcd
+ three
+-------
+ a
+ ab
+ abcd
(3 rows)
-QUERY: SELECT f1 AS eight FROM VARCHAR_TBL
+SELECT f1 AS eight FROM VARCHAR_TBL
UNION ALL
SELECT f1 FROM CHAR_TBL;
-eight
------
-a
-ab
-abcd
-abcd
-a
-ab
-abcd
-abcd
+ eight
+-------
+ a
+ ab
+ abcd
+ abcd
+ a
+ ab
+ abcd
+ abcd
(8 rows)
-QUERY: SELECT f1 AS five FROM TEXT_TBL
+SELECT f1 AS five FROM TEXT_TBL
UNION
SELECT f1 FROM VARCHAR_TBL
UNION
SELECT TRIM(TRAILING FROM f1) FROM CHAR_TBL;
-five
------------------
-a
-ab
-abcd
-doh!
-hi de ho neighbor
+ five
+-------------------
+ a
+ ab
+ abcd
+ doh!
+ hi de ho neighbor
(5 rows)
projects / postgresql / commitdiff