Match results with format from new psql.
All of these tests have been completely inspected and give correct results.
This commit is contained in:
Thomas G. Lockhart
parent
3ec826f99a
commit
f54668d617
@ -1,220 +1,279 @@
|
||||
QUERY: SELECT 1 AS one;
|
||||
one
|
||||
---
|
||||
1
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 't'::bool AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 'f'::bool AS false;
|
||||
false
|
||||
--
|
||||
-- BOOLEAN
|
||||
--
|
||||
--
|
||||
-- sanity check - if this fails go insane!
|
||||
--
|
||||
SELECT 1 AS one;
|
||||
one
|
||||
-----
|
||||
f
|
||||
1
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 't'::bool or 'f'::bool AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
-- ******************testing built-in type bool********************
|
||||
-- check bool type-casting as well as and, or, not in qualifications--
|
||||
SELECT bool 't' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 't'::bool and 'f'::bool AS false;
|
||||
false
|
||||
-----
|
||||
f
|
||||
SELECT bool 'f' AS false;
|
||||
false
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT not 'f'::bool AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
SELECT bool 't' or bool 'f' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 't'::bool = 'f'::bool AS false;
|
||||
false
|
||||
-----
|
||||
f
|
||||
SELECT bool 't' and bool 'f' AS false;
|
||||
false
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 't'::bool <> 'f'::bool AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
SELECT not bool 'f' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: CREATE TABLE BOOLTBL1 (f1 bool);
|
||||
QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('t'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('True'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('true'::bool);
|
||||
QUERY: SELECT '' AS t_3, BOOLTBL1.*;
|
||||
t_3|f1
|
||||
---+--
|
||||
|t
|
||||
|t
|
||||
|t
|
||||
SELECT bool 't' = bool 'f' AS false;
|
||||
false
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
SELECT bool 't' <> bool 'f' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
CREATE TABLE BOOLTBL1 (f1 bool);
|
||||
INSERT INTO BOOLTBL1 (f1) VALUES (bool 't');
|
||||
INSERT INTO BOOLTBL1 (f1) VALUES (bool 'True');
|
||||
INSERT INTO BOOLTBL1 (f1) VALUES (bool 'true');
|
||||
-- BOOLTBL1 should be full of true's at this point
|
||||
SELECT '' AS t_3, BOOLTBL1.*;
|
||||
t_3 | f1
|
||||
-----+----
|
||||
| t
|
||||
| t
|
||||
| t
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS t_3, BOOLTBL1.*
|
||||
SELECT '' AS t_3, BOOLTBL1.*
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 = 'true'::bool;
|
||||
t_3|f1
|
||||
---+--
|
||||
|t
|
||||
|t
|
||||
|t
|
||||
WHERE f1 = bool 'true';
|
||||
t_3 | f1
|
||||
-----+----
|
||||
| t
|
||||
| t
|
||||
| t
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS t_3, BOOLTBL1.*
|
||||
SELECT '' AS t_3, BOOLTBL1.*
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 <> 'false'::bool;
|
||||
t_3|f1
|
||||
---+--
|
||||
|t
|
||||
|t
|
||||
|t
|
||||
WHERE f1 <> bool 'false';
|
||||
t_3 | f1
|
||||
-----+----
|
||||
| t
|
||||
| t
|
||||
| t
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS zero, BOOLTBL1.*
|
||||
SELECT '' AS zero, BOOLTBL1.*
|
||||
FROM BOOLTBL1
|
||||
WHERE booleq('false'::bool, f1);
|
||||
zero|f1
|
||||
----+--
|
||||
WHERE booleq(bool 'false', f1);
|
||||
zero | f1
|
||||
------+----
|
||||
(0 rows)
|
||||
|
||||
QUERY: INSERT INTO BOOLTBL1 (f1) VALUES ('f'::bool);
|
||||
QUERY: SELECT '' AS f_1, BOOLTBL1.*
|
||||
INSERT INTO BOOLTBL1 (f1) VALUES (bool 'f');
|
||||
SELECT '' AS f_1, BOOLTBL1.*
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 = 'false'::bool;
|
||||
f_1|f1
|
||||
---+--
|
||||
|f
|
||||
WHERE f1 = bool 'false';
|
||||
f_1 | f1
|
||||
-----+----
|
||||
| f
|
||||
(1 row)
|
||||
|
||||
QUERY: CREATE TABLE BOOLTBL2 (f1 bool);
|
||||
QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('f'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('false'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('False'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL2 (f1) VALUES ('FALSE'::bool);
|
||||
QUERY: INSERT INTO BOOLTBL2 (f1)
|
||||
VALUES ('XXX'::bool);
|
||||
CREATE TABLE BOOLTBL2 (f1 bool);
|
||||
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'f');
|
||||
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'false');
|
||||
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'False');
|
||||
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'FALSE');
|
||||
-- This is now an invalid expression
|
||||
-- For pre-v6.3 this evaluated to false - thomas 1997-10-23
|
||||
INSERT INTO BOOLTBL2 (f1)
|
||||
VALUES (bool 'XXX');
|
||||
ERROR: Bad boolean external representation 'XXX'
|
||||
QUERY: SELECT '' AS f_4, BOOLTBL2.*;
|
||||
f_4|f1
|
||||
---+--
|
||||
|f
|
||||
|f
|
||||
|f
|
||||
|f
|
||||
-- BOOLTBL2 should be full of false's at this point
|
||||
SELECT '' AS f_4, BOOLTBL2.*;
|
||||
f_4 | f1
|
||||
-----+----
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
||||
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
|
||||
tf_12|f1|f1
|
||||
-----+--+--
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
tf_12 | f1 | f1
|
||||
-------+----+----
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
(12 rows)
|
||||
|
||||
QUERY: SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
||||
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
|
||||
tf_12|f1|f1
|
||||
-----+--+--
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
tf_12 | f1 | f1
|
||||
-------+----+----
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
(12 rows)
|
||||
|
||||
QUERY: SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = 'false'::bool;
|
||||
ff_4|f1|f1
|
||||
----+--+--
|
||||
|f |f
|
||||
|f |f
|
||||
|f |f
|
||||
|f |f
|
||||
SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = bool 'false';
|
||||
ff_4 | f1 | f1
|
||||
------+----+----
|
||||
| f | f
|
||||
| f | f
|
||||
| f | f
|
||||
| f | f
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = 'true'::bool
|
||||
SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
|
||||
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = bool 'true'
|
||||
ORDER BY BOOLTBL1.f1, BOOLTBL2.f1;
|
||||
tf_12_ff_4|f1|f1
|
||||
----------+--+--
|
||||
|f |f
|
||||
|f |f
|
||||
|f |f
|
||||
|f |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
|t |f
|
||||
tf_12_ff_4 | f1 | f1
|
||||
------------+----+----
|
||||
| f | f
|
||||
| f | f
|
||||
| f | f
|
||||
| f | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
| t | f
|
||||
(16 rows)
|
||||
|
||||
QUERY: SELECT '' AS "True", BOOLTBL1.*
|
||||
--
|
||||
-- SQL92 syntax
|
||||
-- Try all combinations to ensure that we get nothing when we expect nothing
|
||||
-- - thomas 2000-01-04
|
||||
--
|
||||
SELECT '' AS "True", f1
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 IS TRUE;
|
||||
True|f1
|
||||
----+--
|
||||
|t
|
||||
|t
|
||||
|t
|
||||
True | f1
|
||||
------+----
|
||||
| t
|
||||
| t
|
||||
| t
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS "Not False", BOOLTBL1.*
|
||||
SELECT '' AS "Not False", f1
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 IS NOT FALSE;
|
||||
Not False|f1
|
||||
---------+--
|
||||
|t
|
||||
|t
|
||||
|t
|
||||
Not False | f1
|
||||
-----------+----
|
||||
| t
|
||||
| t
|
||||
| t
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS "False", BOOLTBL1.*
|
||||
SELECT '' AS "False", f1
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 IS FALSE;
|
||||
False|f1
|
||||
-----+--
|
||||
|f
|
||||
False | f1
|
||||
-------+----
|
||||
| f
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS "Not True", BOOLTBL1.*
|
||||
SELECT '' AS "Not True", f1
|
||||
FROM BOOLTBL1
|
||||
WHERE f1 IS NOT TRUE;
|
||||
Not True|f1
|
||||
--------+--
|
||||
|f
|
||||
Not True | f1
|
||||
----------+----
|
||||
| f
|
||||
(1 row)
|
||||
|
||||
QUERY: DROP TABLE BOOLTBL1;
|
||||
QUERY: DROP TABLE BOOLTBL2;
|
||||
SELECT '' AS "True", f1
|
||||
FROM BOOLTBL2
|
||||
WHERE f1 IS TRUE;
|
||||
True | f1
|
||||
------+----
|
||||
(0 rows)
|
||||
|
||||
SELECT '' AS "Not False", f1
|
||||
FROM BOOLTBL2
|
||||
WHERE f1 IS NOT FALSE;
|
||||
Not False | f1
|
||||
-----------+----
|
||||
(0 rows)
|
||||
|
||||
SELECT '' AS "False", f1
|
||||
FROM BOOLTBL2
|
||||
WHERE f1 IS FALSE;
|
||||
False | f1
|
||||
-------+----
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
(4 rows)
|
||||
|
||||
SELECT '' AS "Not True", f1
|
||||
FROM BOOLTBL2
|
||||
WHERE f1 IS NOT TRUE;
|
||||
Not True | f1
|
||||
----------+----
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
| f
|
||||
(4 rows)
|
||||
|
||||
--
|
||||
-- Clean up
|
||||
-- Many tables are retained by the regression test, but these do not seem
|
||||
-- particularly useful so just get rid of them for now.
|
||||
-- - thomas 1997-11-30
|
||||
--
|
||||
DROP TABLE BOOLTBL1;
|
||||
DROP TABLE BOOLTBL2;
|
||||
|
||||
@ -1,104 +1,119 @@
|
||||
QUERY: SELECT 'c'::char = 'c'::char AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
--
|
||||
-- CHAR
|
||||
-- all inputs are SILENTLY truncated at 1 character
|
||||
--
|
||||
-- fixed-length by value
|
||||
-- internally passed by value if <= 4 bytes in storage
|
||||
SELECT char 'c' = char 'c' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: CREATE TABLE CHAR_TBL(f1 char);
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('a');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('A');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('1');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES (2);
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('3');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('cd');
|
||||
QUERY: SELECT '' AS seven, CHAR_TBL.*;
|
||||
seven|f1
|
||||
-----+--
|
||||
|a
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
|c
|
||||
--
|
||||
-- Build a table for testing
|
||||
--
|
||||
CREATE TABLE CHAR_TBL(f1 char);
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('a');
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('A');
|
||||
-- any of the following three input formats are acceptable
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('1');
|
||||
INSERT INTO CHAR_TBL (f1) VALUES (2);
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('3');
|
||||
-- zero-length char
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('');
|
||||
-- try char's of greater than 1 length
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('cd');
|
||||
SELECT '' AS seven, CHAR_TBL.*;
|
||||
seven | f1
|
||||
-------+----
|
||||
| a
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
| c
|
||||
(7 rows)
|
||||
|
||||
QUERY: SELECT '' AS six, c.*
|
||||
SELECT '' AS six, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 <> 'a';
|
||||
six|f1
|
||||
---+--
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
|c
|
||||
six | f1
|
||||
-----+----
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
| c
|
||||
(6 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, c.*
|
||||
SELECT '' AS one, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 = 'a';
|
||||
one|f1
|
||||
---+--
|
||||
|a
|
||||
one | f1
|
||||
-----+----
|
||||
| a
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS five, c.*
|
||||
SELECT '' AS five, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 < 'a';
|
||||
five|f1
|
||||
----+--
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
five | f1
|
||||
------+----
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS six, c.*
|
||||
SELECT '' AS six, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 <= 'a';
|
||||
six|f1
|
||||
---+--
|
||||
|a
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
six | f1
|
||||
-----+----
|
||||
| a
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
(6 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, c.*
|
||||
SELECT '' AS one, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 > 'a';
|
||||
one|f1
|
||||
---+--
|
||||
|c
|
||||
one | f1
|
||||
-----+----
|
||||
| c
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS two, c.*
|
||||
SELECT '' AS two, c.*
|
||||
FROM CHAR_TBL c
|
||||
WHERE c.f1 >= 'a';
|
||||
two|f1
|
||||
---+--
|
||||
|a
|
||||
|c
|
||||
two | f1
|
||||
-----+----
|
||||
| a
|
||||
| c
|
||||
(2 rows)
|
||||
|
||||
QUERY: DROP TABLE CHAR_TBL;
|
||||
QUERY: CREATE TABLE CHAR_TBL(f1 char(4));
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('a');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('ab');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('abcd');
|
||||
QUERY: INSERT INTO CHAR_TBL (f1) VALUES ('abcde');
|
||||
QUERY: SELECT '' AS four, CHAR_TBL.*;
|
||||
four|f1
|
||||
----+----
|
||||
|a
|
||||
|ab
|
||||
|abcd
|
||||
|abcd
|
||||
DROP TABLE CHAR_TBL;
|
||||
--
|
||||
-- Now test longer arrays of char
|
||||
--
|
||||
CREATE TABLE CHAR_TBL(f1 char(4));
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('a');
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('ab');
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('abcd');
|
||||
INSERT INTO CHAR_TBL (f1) VALUES ('abcde');
|
||||
SELECT '' AS four, CHAR_TBL.*;
|
||||
four | f1
|
||||
------+------
|
||||
| a
|
||||
| ab
|
||||
| abcd
|
||||
| abcd
|
||||
(4 rows)
|
||||
|
||||
|
||||
@ -1,144 +1,150 @@
|
||||
QUERY: CREATE TABLE FLOAT4_TBL (f1 float4);
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('0.0');
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30');
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('-34.84');
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20');
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20');
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('10e40');
|
||||
--
|
||||
-- FLOAT4
|
||||
--
|
||||
CREATE TABLE FLOAT4_TBL (f1 float4);
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('0.0');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('-34.84');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20');
|
||||
-- test for over and under flow
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('10e40');
|
||||
ERROR: Bad float4 input format -- overflow
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e40');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e40');
|
||||
ERROR: Bad float4 input format -- overflow
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-40');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-40');
|
||||
ERROR: Bad float4 input format -- underflow
|
||||
QUERY: INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-40');
|
||||
INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-40');
|
||||
ERROR: Bad float4 input format -- underflow
|
||||
QUERY: SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five|f1
|
||||
----+-----------
|
||||
|0
|
||||
|1004.3
|
||||
|-34.84
|
||||
|1.23457e+20
|
||||
|1.23457e-20
|
||||
SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.23457e+20
|
||||
| 1.23457e-20
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3';
|
||||
four|f1
|
||||
----+-----------
|
||||
|0
|
||||
|-34.84
|
||||
|1.23457e+20
|
||||
|1.23457e-20
|
||||
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3';
|
||||
four | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.23457e+20
|
||||
| 1.23457e-20
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3';
|
||||
one| f1
|
||||
---+------
|
||||
|1004.3
|
||||
SELECT '' AS one, f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3';
|
||||
one | f1
|
||||
-----+--------
|
||||
| 1004.3
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1;
|
||||
three| f1
|
||||
-----+-----------
|
||||
| 0
|
||||
| -34.84
|
||||
|1.23457e-20
|
||||
SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1;
|
||||
three | f1
|
||||
-------+-------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.23457e-20
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3';
|
||||
three| f1
|
||||
-----+-----------
|
||||
| 0
|
||||
| -34.84
|
||||
|1.23457e-20
|
||||
SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3';
|
||||
three | f1
|
||||
-------+-------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.23457e-20
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1;
|
||||
four| f1
|
||||
----+-----------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
|1.23457e-20
|
||||
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1;
|
||||
four | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.23457e-20
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3';
|
||||
four| f1
|
||||
----+-----------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
|1.23457e-20
|
||||
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3';
|
||||
four | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.23457e-20
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f
|
||||
SELECT '' AS three, f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+-----------+------------
|
||||
|1004.3 |-10043
|
||||
|1.23457e+20|-1.23457e+21
|
||||
|1.23457e-20|-1.23457e-19
|
||||
three | f1 | x
|
||||
-------+-------------+--------------
|
||||
| 1004.3 | -10043
|
||||
| 1.23457e+20 | -1.23457e+21
|
||||
| 1.23457e-20 | -1.23457e-19
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 + '-10' AS x FROM FLOAT4_TBL f
|
||||
SELECT '' AS three, f.f1, f.f1 + '-10' AS x FROM FLOAT4_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+-----------+-----------
|
||||
|1004.3 |994.3
|
||||
|1.23457e+20|1.23457e+20
|
||||
|1.23457e-20|-10
|
||||
three | f1 | x
|
||||
-------+-------------+-------------
|
||||
| 1004.3 | 994.3
|
||||
| 1.23457e+20 | 1.23457e+20
|
||||
| 1.23457e-20 | -10
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f
|
||||
SELECT '' AS three, f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+-----------+------------
|
||||
|1004.3 |-100.43
|
||||
|1.23457e+20|-1.23457e+19
|
||||
|1.23457e-20|-1.23457e-21
|
||||
three | f1 | x
|
||||
-------+-------------+--------------
|
||||
| 1004.3 | -100.43
|
||||
| 1.23457e+20 | -1.23457e+19
|
||||
| 1.23457e-20 | -1.23457e-21
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
|
||||
SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+-----------+-----------
|
||||
|1004.3 |1014.3
|
||||
|1.23457e+20|1.23457e+20
|
||||
|1.23457e-20|10
|
||||
three | f1 | x
|
||||
-------+-------------+-------------
|
||||
| 1004.3 | 1014.3
|
||||
| 1.23457e+20 | 1.23457e+20
|
||||
| 1.23457e-20 | 10
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f;
|
||||
-- test divide by zero
|
||||
SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f;
|
||||
ERROR: float4div: divide by zero error
|
||||
QUERY: SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five|f1
|
||||
----+-----------
|
||||
|0
|
||||
|1004.3
|
||||
|-34.84
|
||||
|1.23457e+20
|
||||
|1.23457e-20
|
||||
SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.23457e+20
|
||||
| 1.23457e-20
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f;
|
||||
five|f1 |abs_f1
|
||||
----+-----------+-----------
|
||||
|0 |0
|
||||
|1004.3 |1004.3
|
||||
|-34.84 |34.84
|
||||
|1.23457e+20|1.23457e+20
|
||||
|1.23457e-20|1.23457e-20
|
||||
-- test the unary float4abs operator
|
||||
SELECT '' AS five, f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f;
|
||||
five | f1 | abs_f1
|
||||
------+-------------+-------------
|
||||
| 0 | 0
|
||||
| 1004.3 | 1004.3
|
||||
| -34.84 | 34.84
|
||||
| 1.23457e+20 | 1.23457e+20
|
||||
| 1.23457e-20 | 1.23457e-20
|
||||
(5 rows)
|
||||
|
||||
QUERY: UPDATE FLOAT4_TBL
|
||||
UPDATE FLOAT4_TBL
|
||||
SET f1 = FLOAT4_TBL.f1 * '-1'
|
||||
WHERE FLOAT4_TBL.f1 > '0.0';
|
||||
QUERY: SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five|f1
|
||||
----+------------
|
||||
|0
|
||||
|-34.84
|
||||
|-1004.3
|
||||
|-1.23457e+20
|
||||
|-1.23457e-20
|
||||
SELECT '' AS five, FLOAT4_TBL.*;
|
||||
five | f1
|
||||
------+--------------
|
||||
| 0
|
||||
| -34.84
|
||||
| -1004.3
|
||||
| -1.23457e+20
|
||||
| -1.23457e-20
|
||||
(5 rows)
|
||||
|
||||
|
||||
@ -1,234 +1,246 @@
|
||||
QUERY: CREATE TABLE FLOAT8_TBL(f1 float8);
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
|
||||
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five|f1
|
||||
----+--------------------
|
||||
|0
|
||||
|1004.3
|
||||
|-34.84
|
||||
|1.2345678901234e+200
|
||||
|1.2345678901234e-200
|
||||
--
|
||||
-- FLOAT8
|
||||
--
|
||||
CREATE TABLE FLOAT8_TBL(f1 float8);
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
|
||||
SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five | f1
|
||||
------+----------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.2345678901234e+200
|
||||
| 1.2345678901234e-200
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
|
||||
four|f1
|
||||
----+--------------------
|
||||
|0
|
||||
|-34.84
|
||||
|1.2345678901234e+200
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
|
||||
four | f1
|
||||
------+----------------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.2345678901234e+200
|
||||
| 1.2345678901234e-200
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
|
||||
one| f1
|
||||
---+------
|
||||
|1004.3
|
||||
SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
|
||||
one | f1
|
||||
-----+--------
|
||||
| 1004.3
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
|
||||
three| f1
|
||||
-----+--------------------
|
||||
| 0
|
||||
| -34.84
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
|
||||
three | f1
|
||||
-------+----------------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.2345678901234e-200
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
|
||||
three| f1
|
||||
-----+--------------------
|
||||
| 0
|
||||
| -34.84
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
|
||||
three | f1
|
||||
-------+----------------------
|
||||
| 0
|
||||
| -34.84
|
||||
| 1.2345678901234e-200
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
|
||||
four| f1
|
||||
----+--------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
|
||||
four | f1
|
||||
------+----------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.2345678901234e-200
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
|
||||
four| f1
|
||||
----+--------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
|
||||
four | f1
|
||||
------+----------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.2345678901234e-200
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 * '-10' AS x
|
||||
SELECT '' AS three, f.f1, f.f1 * '-10' AS x
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+--------------------+---------------------
|
||||
|1004.3 |-10043
|
||||
|1.2345678901234e+200|-1.2345678901234e+201
|
||||
|1.2345678901234e-200|-1.2345678901234e-199
|
||||
three | f1 | x
|
||||
-------+----------------------+-----------------------
|
||||
| 1004.3 | -10043
|
||||
| 1.2345678901234e+200 | -1.2345678901234e+201
|
||||
| 1.2345678901234e-200 | -1.2345678901234e-199
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 + '-10' AS x
|
||||
SELECT '' AS three, f.f1, f.f1 + '-10' AS x
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+--------------------+--------------------
|
||||
|1004.3 |994.3
|
||||
|1.2345678901234e+200|1.2345678901234e+200
|
||||
|1.2345678901234e-200|-10
|
||||
three | f1 | x
|
||||
-------+----------------------+----------------------
|
||||
| 1004.3 | 994.3
|
||||
| 1.2345678901234e+200 | 1.2345678901234e+200
|
||||
| 1.2345678901234e-200 | -10
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 / '-10' AS x
|
||||
SELECT '' AS three, f.f1, f.f1 / '-10' AS x
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+--------------------+---------------------
|
||||
|1004.3 |-100.43
|
||||
|1.2345678901234e+200|-1.2345678901234e+199
|
||||
|1.2345678901234e-200|-1.2345678901234e-201
|
||||
three | f1 | x
|
||||
-------+----------------------+-----------------------
|
||||
| 1004.3 | -100.43
|
||||
| 1.2345678901234e+200 | -1.2345678901234e+199
|
||||
| 1.2345678901234e-200 | -1.2345678901234e-201
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, f.f1 - '-10' AS x
|
||||
SELECT '' AS three, f.f1, f.f1 - '-10' AS x
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |x
|
||||
-----+--------------------+--------------------
|
||||
|1004.3 |1014.3
|
||||
|1.2345678901234e+200|1.2345678901234e+200
|
||||
|1.2345678901234e-200|10
|
||||
three | f1 | x
|
||||
-------+----------------------+----------------------
|
||||
| 1004.3 | 1014.3
|
||||
| 1.2345678901234e+200 | 1.2345678901234e+200
|
||||
| 1.2345678901234e-200 | 10
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
|
||||
SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
|
||||
FROM FLOAT8_TBL f where f.f1 = '1004.3';
|
||||
one| square_f1
|
||||
---+----------
|
||||
|1008618.49
|
||||
one | square_f1
|
||||
-----+------------
|
||||
| 1008618.49
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS five, f.f1, @f.f1 AS abs_f1
|
||||
-- absolute value
|
||||
SELECT '' AS five, f.f1, @f.f1 AS abs_f1
|
||||
FROM FLOAT8_TBL f;
|
||||
five|f1 |abs_f1
|
||||
----+--------------------+--------------------
|
||||
|0 |0
|
||||
|1004.3 |1004.3
|
||||
|-34.84 |34.84
|
||||
|1.2345678901234e+200|1.2345678901234e+200
|
||||
|1.2345678901234e-200|1.2345678901234e-200
|
||||
five | f1 | abs_f1
|
||||
------+----------------------+----------------------
|
||||
| 0 | 0
|
||||
| 1004.3 | 1004.3
|
||||
| -34.84 | 34.84
|
||||
| 1.2345678901234e+200 | 1.2345678901234e+200
|
||||
| 1.2345678901234e-200 | 1.2345678901234e-200
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
|
||||
-- truncate
|
||||
SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
|
||||
FROM FLOAT8_TBL f;
|
||||
five|f1 |trunc_f1
|
||||
----+--------------------+--------------------
|
||||
|0 |0
|
||||
|1004.3 |1004
|
||||
|-34.84 |-34
|
||||
|1.2345678901234e+200|1.2345678901234e+200
|
||||
|1.2345678901234e-200|0
|
||||
five | f1 | trunc_f1
|
||||
------+----------------------+----------------------
|
||||
| 0 | 0
|
||||
| 1004.3 | 1004
|
||||
| -34.84 | -34
|
||||
| 1.2345678901234e+200 | 1.2345678901234e+200
|
||||
| 1.2345678901234e-200 | 0
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, f.f1, f.f1 % AS round_f1
|
||||
-- round
|
||||
SELECT '' AS five, f.f1, f.f1 % AS round_f1
|
||||
FROM FLOAT8_TBL f;
|
||||
five|f1 |round_f1
|
||||
----+--------------------+--------------------
|
||||
|0 |0
|
||||
|1004.3 |1004
|
||||
|-34.84 |-35
|
||||
|1.2345678901234e+200|1.2345678901234e+200
|
||||
|1.2345678901234e-200|0
|
||||
five | f1 | round_f1
|
||||
------+----------------------+----------------------
|
||||
| 0 | 0
|
||||
| 1004.3 | 1004
|
||||
| -34.84 | -35
|
||||
| 1.2345678901234e+200 | 1.2345678901234e+200
|
||||
| 1.2345678901234e-200 | 0
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
|
||||
-- square root
|
||||
SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |sqrt_f1
|
||||
-----+--------------------+---------------------
|
||||
|1004.3 |31.6906926399535
|
||||
|1.2345678901234e+200|1.11111110611109e+100
|
||||
|1.2345678901234e-200|1.11111110611109e-100
|
||||
three | f1 | sqrt_f1
|
||||
-------+----------------------+-----------------------
|
||||
| 1004.3 | 31.6906926399535
|
||||
| 1.2345678901234e+200 | 1.11111110611109e+100
|
||||
| 1.2345678901234e-200 | 1.11111110611109e-100
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
|
||||
-- take exp of ln(f.f1)
|
||||
SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
|
||||
FROM FLOAT8_TBL f
|
||||
WHERE f.f1 > '0.0';
|
||||
three|f1 |exp_ln_f1
|
||||
-----+--------------------+---------------------
|
||||
|1004.3 |1004.3
|
||||
|1.2345678901234e+200|1.23456789012338e+200
|
||||
|1.2345678901234e-200|1.23456789012339e-200
|
||||
three | f1 | exp_ln_f1
|
||||
-------+----------------------+-----------------------
|
||||
| 1004.3 | 1004.3
|
||||
| 1.2345678901234e+200 | 1.23456789012338e+200
|
||||
| 1.2345678901234e-200 | 1.23456789012339e-200
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
|
||||
five|f1 |cbrt_f1
|
||||
----+--------------------+--------------------
|
||||
|0 |0
|
||||
|1004.3 |10.014312837827
|
||||
|-34.84 |-3.26607421344208
|
||||
|1.2345678901234e+200|4.97933859234765e+66
|
||||
|1.2345678901234e-200|2.3112042409018e-67
|
||||
-- cube root
|
||||
SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
|
||||
five | f1 | cbrt_f1
|
||||
------+----------------------+----------------------
|
||||
| 0 | 0
|
||||
| 1004.3 | 10.014312837827
|
||||
| -34.84 | -3.26607421344208
|
||||
| 1.2345678901234e+200 | 4.97933859234765e+66
|
||||
| 1.2345678901234e-200 | 2.3112042409018e-67
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five|f1
|
||||
----+--------------------
|
||||
|0
|
||||
|1004.3
|
||||
|-34.84
|
||||
|1.2345678901234e+200
|
||||
|1.2345678901234e-200
|
||||
SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five | f1
|
||||
------+----------------------
|
||||
| 0
|
||||
| 1004.3
|
||||
| -34.84
|
||||
| 1.2345678901234e+200
|
||||
| 1.2345678901234e-200
|
||||
(5 rows)
|
||||
|
||||
QUERY: UPDATE FLOAT8_TBL
|
||||
UPDATE FLOAT8_TBL
|
||||
SET f1 = FLOAT8_TBL.f1 * '-1'
|
||||
WHERE FLOAT8_TBL.f1 > '0.0';
|
||||
QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
|
||||
SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
|
||||
ERROR: Bad float8 input format -- overflow
|
||||
QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
|
||||
SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
|
||||
ERROR: pow() result is out of range
|
||||
QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
|
||||
SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
|
||||
ERROR: can't take log of zero
|
||||
QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
|
||||
SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
|
||||
ERROR: can't take log of a negative number
|
||||
QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
|
||||
SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
|
||||
ERROR: exp() result is out of range
|
||||
QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
|
||||
SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
|
||||
ERROR: float8div: divide by zero error
|
||||
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five|f1
|
||||
----+---------------------
|
||||
|0
|
||||
|-34.84
|
||||
|-1004.3
|
||||
|-1.2345678901234e+200
|
||||
|-1.2345678901234e-200
|
||||
SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five | f1
|
||||
------+-----------------------
|
||||
| 0
|
||||
| -34.84
|
||||
| -1004.3
|
||||
| -1.2345678901234e+200
|
||||
| -1.2345678901234e-200
|
||||
(5 rows)
|
||||
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
|
||||
-- test for over and under flow
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
|
||||
ERROR: Input '10e400' is out of range for float8
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
|
||||
ERROR: Input '-10e400' is out of range for float8
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
|
||||
ERROR: Input '10e-400' is out of range for float8
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
|
||||
ERROR: Input '-10e-400' is out of range for float8
|
||||
QUERY: DELETE FROM FLOAT8_TBL;
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
|
||||
QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
|
||||
QUERY: SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five|f1
|
||||
----+---------------------
|
||||
|0
|
||||
|-34.84
|
||||
|-1004.3
|
||||
|-1.2345678901234e+200
|
||||
|-1.2345678901234e-200
|
||||
-- maintain external table consistency across platforms
|
||||
-- delete all values and reinsert well-behaved ones
|
||||
DELETE FROM FLOAT8_TBL;
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
|
||||
INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
|
||||
SELECT '' AS five, FLOAT8_TBL.*;
|
||||
five | f1
|
||||
------+-----------------------
|
||||
| 0
|
||||
| -34.84
|
||||
| -1004.3
|
||||
| -1.2345678901234e+200
|
||||
| -1.2345678901234e-200
|
||||
(5 rows)
|
||||
|
||||
|
||||
@ -1,206 +1,215 @@
|
||||
QUERY: CREATE TABLE INT2_TBL(f1 int2);
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('0');
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('1234');
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('-1234');
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('34.5');
|
||||
--
|
||||
-- INT2
|
||||
-- NOTE: int2 operators never check for over/underflow!
|
||||
-- Some of these answers are consequently numerically incorrect.
|
||||
--
|
||||
CREATE TABLE INT2_TBL(f1 int2);
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('0');
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('1234');
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('-1234');
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('34.5');
|
||||
ERROR: pg_atoi: error in "34.5": can't parse ".5"
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('32767');
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('-32767');
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('100000');
|
||||
-- largest and smallest values
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('32767');
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('-32767');
|
||||
-- bad input values -- should give warnings
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('100000');
|
||||
ERROR: pg_atoi: error reading "100000": Numerical result out of range
|
||||
QUERY: INSERT INTO INT2_TBL(f1) VALUES ('asdf');
|
||||
INSERT INTO INT2_TBL(f1) VALUES ('asdf');
|
||||
ERROR: pg_atoi: error in "asdf": can't parse "asdf"
|
||||
QUERY: SELECT '' AS five, INT2_TBL.*;
|
||||
five| f1
|
||||
----+------
|
||||
| 0
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
|-32767
|
||||
SELECT '' AS five, INT2_TBL.*;
|
||||
five | f1
|
||||
------+--------
|
||||
| 0
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
| -32767
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> '0'::int2;
|
||||
four| f1
|
||||
----+------
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
|-32767
|
||||
SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
|
||||
four | f1
|
||||
------+--------
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
| -32767
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> '0'::int4;
|
||||
four| f1
|
||||
----+------
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
|-32767
|
||||
SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
|
||||
four | f1
|
||||
------+--------
|
||||
| 1234
|
||||
| -1234
|
||||
| 32767
|
||||
| -32767
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = '0'::int2;
|
||||
one|f1
|
||||
---+--
|
||||
| 0
|
||||
SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
|
||||
one | f1
|
||||
-----+----
|
||||
| 0
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = '0'::int4;
|
||||
one|f1
|
||||
---+--
|
||||
| 0
|
||||
SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
|
||||
one | f1
|
||||
-----+----
|
||||
| 0
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < '0'::int2;
|
||||
two| f1
|
||||
---+------
|
||||
| -1234
|
||||
|-32767
|
||||
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
|
||||
two | f1
|
||||
-----+--------
|
||||
| -1234
|
||||
| -32767
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < '0'::int4;
|
||||
two| f1
|
||||
---+------
|
||||
| -1234
|
||||
|-32767
|
||||
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
|
||||
two | f1
|
||||
-----+--------
|
||||
| -1234
|
||||
| -32767
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= '0'::int2;
|
||||
three| f1
|
||||
-----+------
|
||||
| 0
|
||||
| -1234
|
||||
|-32767
|
||||
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
|
||||
three | f1
|
||||
-------+--------
|
||||
| 0
|
||||
| -1234
|
||||
| -32767
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= '0'::int4;
|
||||
three| f1
|
||||
-----+------
|
||||
| 0
|
||||
| -1234
|
||||
|-32767
|
||||
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
|
||||
three | f1
|
||||
-------+--------
|
||||
| 0
|
||||
| -1234
|
||||
| -32767
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > '0'::int2;
|
||||
two| f1
|
||||
---+-----
|
||||
| 1234
|
||||
|32767
|
||||
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
|
||||
two | f1
|
||||
-----+-------
|
||||
| 1234
|
||||
| 32767
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > '0'::int4;
|
||||
two| f1
|
||||
---+-----
|
||||
| 1234
|
||||
|32767
|
||||
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
|
||||
two | f1
|
||||
-----+-------
|
||||
| 1234
|
||||
| 32767
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= '0'::int2;
|
||||
three| f1
|
||||
-----+-----
|
||||
| 0
|
||||
| 1234
|
||||
|32767
|
||||
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
|
||||
three | f1
|
||||
-------+-------
|
||||
| 0
|
||||
| 1234
|
||||
| 32767
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= '0'::int4;
|
||||
three| f1
|
||||
-----+-----
|
||||
| 0
|
||||
| 1234
|
||||
|32767
|
||||
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
|
||||
three | f1
|
||||
-------+-------
|
||||
| 0
|
||||
| 1234
|
||||
| 32767
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % '2'::int2) = '1'::int2;
|
||||
one| f1
|
||||
---+-----
|
||||
|32767
|
||||
-- positive odds
|
||||
SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
|
||||
one | f1
|
||||
-----+-------
|
||||
| 32767
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % '2'::int4) = '0'::int2;
|
||||
three| f1
|
||||
-----+-----
|
||||
| 0
|
||||
| 1234
|
||||
|-1234
|
||||
-- any evens
|
||||
SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
|
||||
three | f1
|
||||
-------+-------
|
||||
| 0
|
||||
| 1234
|
||||
| -1234
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int2 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+-----
|
||||
| 0| 0
|
||||
| 1234| 2468
|
||||
| -1234|-2468
|
||||
| 32767| -2
|
||||
|-32767| 2
|
||||
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+-------
|
||||
| 0 | 0
|
||||
| 1234 | 2468
|
||||
| -1234 | -2468
|
||||
| 32767 | -2
|
||||
| -32767 | 2
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int4 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| 0
|
||||
| 1234| 2468
|
||||
| -1234| -2468
|
||||
| 32767| 65534
|
||||
|-32767|-65534
|
||||
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | 0
|
||||
| 1234 | 2468
|
||||
| -1234 | -2468
|
||||
| 32767 | 65534
|
||||
| -32767 | -65534
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int2 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| 2
|
||||
| 1234| 1236
|
||||
| -1234| -1232
|
||||
| 32767|-32767
|
||||
|-32767|-32765
|
||||
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | 2
|
||||
| 1234 | 1236
|
||||
| -1234 | -1232
|
||||
| 32767 | -32767
|
||||
| -32767 | -32765
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int4 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| 2
|
||||
| 1234| 1236
|
||||
| -1234| -1232
|
||||
| 32767| 32769
|
||||
|-32767|-32765
|
||||
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | 2
|
||||
| 1234 | 1236
|
||||
| -1234 | -1232
|
||||
| 32767 | 32769
|
||||
| -32767 | -32765
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int2 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+-----
|
||||
| 0| -2
|
||||
| 1234| 1232
|
||||
| -1234|-1236
|
||||
| 32767|32765
|
||||
|-32767|32767
|
||||
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+-------
|
||||
| 0 | -2
|
||||
| 1234 | 1232
|
||||
| -1234 | -1236
|
||||
| 32767 | 32765
|
||||
| -32767 | 32767
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int4 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| -2
|
||||
| 1234| 1232
|
||||
| -1234| -1236
|
||||
| 32767| 32765
|
||||
|-32767|-32769
|
||||
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | -2
|
||||
| 1234 | 1232
|
||||
| -1234 | -1236
|
||||
| 32767 | 32765
|
||||
| -32767 | -32769
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int2 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| 0
|
||||
| 1234| 617
|
||||
| -1234| -617
|
||||
| 32767| 16383
|
||||
|-32767|-16383
|
||||
SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | 0
|
||||
| 1234 | 617
|
||||
| -1234 | -617
|
||||
| 32767 | 16383
|
||||
| -32767 | -16383
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int4 AS x FROM INT2_TBL i;
|
||||
five| f1| x
|
||||
----+------+------
|
||||
| 0| 0
|
||||
| 1234| 617
|
||||
| -1234| -617
|
||||
| 32767| 16383
|
||||
|-32767|-16383
|
||||
SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
|
||||
five | f1 | x
|
||||
------+--------+--------
|
||||
| 0 | 0
|
||||
| 1234 | 617
|
||||
| -1234 | -617
|
||||
| 32767 | 16383
|
||||
| -32767 | -16383
|
||||
(5 rows)
|
||||
|
||||
|
||||
@ -1,302 +1,315 @@
|
||||
QUERY: CREATE TABLE INT4_TBL(f1 int4);
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('0');
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('123456');
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('-123456');
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('34.5');
|
||||
--
|
||||
-- INT4
|
||||
-- WARNING: int4 operators never check for over/underflow!
|
||||
-- Some of these answers are consequently numerically incorrect.
|
||||
--
|
||||
CREATE TABLE INT4_TBL(f1 int4);
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('0');
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('123456');
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('-123456');
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('34.5');
|
||||
ERROR: pg_atoi: error in "34.5": can't parse ".5"
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
|
||||
-- largest and smallest values
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
|
||||
-- bad input values -- should give warnings
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
|
||||
ERROR: pg_atoi: error reading "1000000000000": Numerical result out of range
|
||||
QUERY: INSERT INTO INT4_TBL(f1) VALUES ('asdf');
|
||||
INSERT INTO INT4_TBL(f1) VALUES ('asdf');
|
||||
ERROR: pg_atoi: error in "asdf": can't parse "asdf"
|
||||
QUERY: SELECT '' AS five, INT4_TBL.*;
|
||||
five| f1
|
||||
----+-----------
|
||||
| 0
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
|-2147483647
|
||||
SELECT '' AS five, INT4_TBL.*;
|
||||
five | f1
|
||||
------+-------------
|
||||
| 0
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
| -2147483647
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> '0'::int2;
|
||||
four| f1
|
||||
----+-----------
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
|-2147483647
|
||||
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
|
||||
four | f1
|
||||
------+-------------
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
| -2147483647
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> '0'::int4;
|
||||
four| f1
|
||||
----+-----------
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
|-2147483647
|
||||
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
|
||||
four | f1
|
||||
------+-------------
|
||||
| 123456
|
||||
| -123456
|
||||
| 2147483647
|
||||
| -2147483647
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = '0'::int2;
|
||||
one|f1
|
||||
---+--
|
||||
| 0
|
||||
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
|
||||
one | f1
|
||||
-----+----
|
||||
| 0
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = '0'::int4;
|
||||
one|f1
|
||||
---+--
|
||||
| 0
|
||||
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
|
||||
one | f1
|
||||
-----+----
|
||||
| 0
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < '0'::int2;
|
||||
two| f1
|
||||
---+-----------
|
||||
| -123456
|
||||
|-2147483647
|
||||
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
|
||||
two | f1
|
||||
-----+-------------
|
||||
| -123456
|
||||
| -2147483647
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < '0'::int4;
|
||||
two| f1
|
||||
---+-----------
|
||||
| -123456
|
||||
|-2147483647
|
||||
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
|
||||
two | f1
|
||||
-----+-------------
|
||||
| -123456
|
||||
| -2147483647
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= '0'::int2;
|
||||
three| f1
|
||||
-----+-----------
|
||||
| 0
|
||||
| -123456
|
||||
|-2147483647
|
||||
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
|
||||
three | f1
|
||||
-------+-------------
|
||||
| 0
|
||||
| -123456
|
||||
| -2147483647
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= '0'::int4;
|
||||
three| f1
|
||||
-----+-----------
|
||||
| 0
|
||||
| -123456
|
||||
|-2147483647
|
||||
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
|
||||
three | f1
|
||||
-------+-------------
|
||||
| 0
|
||||
| -123456
|
||||
| -2147483647
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > '0'::int2;
|
||||
two| f1
|
||||
---+----------
|
||||
| 123456
|
||||
|2147483647
|
||||
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
|
||||
two | f1
|
||||
-----+------------
|
||||
| 123456
|
||||
| 2147483647
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > '0'::int4;
|
||||
two| f1
|
||||
---+----------
|
||||
| 123456
|
||||
|2147483647
|
||||
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
|
||||
two | f1
|
||||
-----+------------
|
||||
| 123456
|
||||
| 2147483647
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= '0'::int2;
|
||||
three| f1
|
||||
-----+----------
|
||||
| 0
|
||||
| 123456
|
||||
|2147483647
|
||||
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
|
||||
three | f1
|
||||
-------+------------
|
||||
| 0
|
||||
| 123456
|
||||
| 2147483647
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= '0'::int4;
|
||||
three| f1
|
||||
-----+----------
|
||||
| 0
|
||||
| 123456
|
||||
|2147483647
|
||||
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
|
||||
three | f1
|
||||
-------+------------
|
||||
| 0
|
||||
| 123456
|
||||
| 2147483647
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % '2'::int2) = '1'::int2;
|
||||
one| f1
|
||||
---+----------
|
||||
|2147483647
|
||||
-- positive odds
|
||||
SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
|
||||
one | f1
|
||||
-----+------------
|
||||
| 2147483647
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % '2'::int4) = '0'::int2;
|
||||
three| f1
|
||||
-----+-------
|
||||
| 0
|
||||
| 123456
|
||||
|-123456
|
||||
-- any evens
|
||||
SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
|
||||
three | f1
|
||||
-------+---------
|
||||
| 0
|
||||
| 123456
|
||||
| -123456
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int2 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-------
|
||||
| 0| 0
|
||||
| 123456| 246912
|
||||
| -123456|-246912
|
||||
| 2147483647| -2
|
||||
|-2147483647| 2
|
||||
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+---------
|
||||
| 0 | 0
|
||||
| 123456 | 246912
|
||||
| -123456 | -246912
|
||||
| 2147483647 | -2
|
||||
| -2147483647 | 2
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int4 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-------
|
||||
| 0| 0
|
||||
| 123456| 246912
|
||||
| -123456|-246912
|
||||
| 2147483647| -2
|
||||
|-2147483647| 2
|
||||
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+---------
|
||||
| 0 | 0
|
||||
| 123456 | 246912
|
||||
| -123456 | -246912
|
||||
| 2147483647 | -2
|
||||
| -2147483647 | 2
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int2 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-----------
|
||||
| 0| 2
|
||||
| 123456| 123458
|
||||
| -123456| -123454
|
||||
| 2147483647|-2147483647
|
||||
|-2147483647|-2147483645
|
||||
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+-------------
|
||||
| 0 | 2
|
||||
| 123456 | 123458
|
||||
| -123456 | -123454
|
||||
| 2147483647 | -2147483647
|
||||
| -2147483647 | -2147483645
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int4 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-----------
|
||||
| 0| 2
|
||||
| 123456| 123458
|
||||
| -123456| -123454
|
||||
| 2147483647|-2147483647
|
||||
|-2147483647|-2147483645
|
||||
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+-------------
|
||||
| 0 | 2
|
||||
| 123456 | 123458
|
||||
| -123456 | -123454
|
||||
| 2147483647 | -2147483647
|
||||
| -2147483647 | -2147483645
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int2 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+----------
|
||||
| 0| -2
|
||||
| 123456| 123454
|
||||
| -123456| -123458
|
||||
| 2147483647|2147483645
|
||||
|-2147483647|2147483647
|
||||
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+------------
|
||||
| 0 | -2
|
||||
| 123456 | 123454
|
||||
| -123456 | -123458
|
||||
| 2147483647 | 2147483645
|
||||
| -2147483647 | 2147483647
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int4 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+----------
|
||||
| 0| -2
|
||||
| 123456| 123454
|
||||
| -123456| -123458
|
||||
| 2147483647|2147483645
|
||||
|-2147483647|2147483647
|
||||
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+------------
|
||||
| 0 | -2
|
||||
| 123456 | 123454
|
||||
| -123456 | -123458
|
||||
| 2147483647 | 2147483645
|
||||
| -2147483647 | 2147483647
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int2 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-----------
|
||||
| 0| 0
|
||||
| 123456| 61728
|
||||
| -123456| -61728
|
||||
| 2147483647| 1073741823
|
||||
|-2147483647|-1073741823
|
||||
SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+-------------
|
||||
| 0 | 0
|
||||
| 123456 | 61728
|
||||
| -123456 | -61728
|
||||
| 2147483647 | 1073741823
|
||||
| -2147483647 | -1073741823
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int4 AS x FROM INT4_TBL i;
|
||||
five| f1| x
|
||||
----+-----------+-----------
|
||||
| 0| 0
|
||||
| 123456| 61728
|
||||
| -123456| -61728
|
||||
| 2147483647| 1073741823
|
||||
|-2147483647|-1073741823
|
||||
SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
|
||||
five | f1 | x
|
||||
------+-------------+-------------
|
||||
| 0 | 0
|
||||
| 123456 | 61728
|
||||
| -123456 | -61728
|
||||
| 2147483647 | 1073741823
|
||||
| -2147483647 | -1073741823
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT -2+3 AS one;
|
||||
one
|
||||
---
|
||||
1
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 4-2 AS two;
|
||||
two
|
||||
---
|
||||
2
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 2- -1 AS three;
|
||||
three
|
||||
--
|
||||
-- more complex expressions
|
||||
--
|
||||
-- variations on unary minus parsing
|
||||
SELECT -2+3 AS one;
|
||||
one
|
||||
-----
|
||||
3
|
||||
1
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 2 - -2 AS four;
|
||||
four
|
||||
----
|
||||
4
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '2'::int2 * '2'::int2 = '16'::int2 / '4'::int2 AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '2'::int4 * '2'::int2 = '16'::int2 / '4'::int4 AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '2'::int2 * '2'::int4 = '16'::int4 / '4'::int2 AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '1000'::int4 < '999'::int4 AS false;
|
||||
false
|
||||
SELECT 4-2 AS two;
|
||||
two
|
||||
-----
|
||||
f
|
||||
2
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 4! AS twenty_four;
|
||||
twenty_four
|
||||
-----------
|
||||
24
|
||||
SELECT 2- -1 AS three;
|
||||
three
|
||||
-------
|
||||
3
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT !!3 AS six;
|
||||
six
|
||||
---
|
||||
6
|
||||
SELECT 2 - -2 AS four;
|
||||
four
|
||||
------
|
||||
4
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
|
||||
ten
|
||||
---
|
||||
10
|
||||
SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 2 + 2 / 2 AS three;
|
||||
three
|
||||
SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
SELECT int4 '1000' < int4 '999' AS false;
|
||||
false
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
SELECT 4! AS twenty_four;
|
||||
twenty_four
|
||||
-------------
|
||||
24
|
||||
(1 row)
|
||||
|
||||
SELECT !!3 AS six;
|
||||
six
|
||||
-----
|
||||
3
|
||||
6
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT (2 + 2) / 2 AS two;
|
||||
two
|
||||
---
|
||||
2
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT dsqrt('64'::float8) AS eight;
|
||||
eight
|
||||
SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
|
||||
ten
|
||||
-----
|
||||
8
|
||||
10
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT |/'64'::float8 AS eight;
|
||||
eight
|
||||
SELECT 2 + 2 / 2 AS three;
|
||||
three
|
||||
-------
|
||||
3
|
||||
(1 row)
|
||||
|
||||
SELECT (2 + 2) / 2 AS two;
|
||||
two
|
||||
-----
|
||||
8
|
||||
2
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT ||/'27'::float8 AS three;
|
||||
three
|
||||
-----
|
||||
3
|
||||
SELECT dsqrt(float8 '64') AS eight;
|
||||
eight
|
||||
-------
|
||||
8
|
||||
(1 row)
|
||||
|
||||
SELECT |/float8 '64' AS eight;
|
||||
eight
|
||||
-------
|
||||
8
|
||||
(1 row)
|
||||
|
||||
SELECT ||/float8 '27' AS three;
|
||||
three
|
||||
-------
|
||||
3
|
||||
(1 row)
|
||||
|
||||
|
||||
@ -1,115 +1,119 @@
|
||||
QUERY: CREATE TABLE INT8_TBL(q1 int8, q2 int8);
|
||||
QUERY: INSERT INTO INT8_TBL VALUES('123','456');
|
||||
QUERY: INSERT INTO INT8_TBL VALUES('123','4567890123456789');
|
||||
QUERY: INSERT INTO INT8_TBL VALUES('4567890123456789','123');
|
||||
QUERY: INSERT INTO INT8_TBL VALUES('4567890123456789','4567890123456789');
|
||||
QUERY: INSERT INTO INT8_TBL VALUES('4567890123456789','-4567890123456789');
|
||||
QUERY: SELECT * FROM INT8_TBL;
|
||||
q1| q2
|
||||
----------------+-----------------
|
||||
123| 456
|
||||
123| 4567890123456789
|
||||
4567890123456789| 123
|
||||
4567890123456789| 4567890123456789
|
||||
4567890123456789|-4567890123456789
|
||||
--
|
||||
-- INT8
|
||||
-- Test int8 64-bit integers.
|
||||
--
|
||||
CREATE TABLE INT8_TBL(q1 int8, q2 int8);
|
||||
INSERT INTO INT8_TBL VALUES('123','456');
|
||||
INSERT INTO INT8_TBL VALUES('123','4567890123456789');
|
||||
INSERT INTO INT8_TBL VALUES('4567890123456789','123');
|
||||
INSERT INTO INT8_TBL VALUES('4567890123456789','4567890123456789');
|
||||
INSERT INTO INT8_TBL VALUES('4567890123456789','-4567890123456789');
|
||||
SELECT * FROM INT8_TBL;
|
||||
q1 | q2
|
||||
------------------+-------------------
|
||||
123 | 456
|
||||
123 | 4567890123456789
|
||||
4567890123456789 | 123
|
||||
4567890123456789 | 4567890123456789
|
||||
4567890123456789 | -4567890123456789
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
|
||||
five| plus| minus
|
||||
----+----------------+-----------------
|
||||
| 123| -123
|
||||
| 123| -123
|
||||
|4567890123456789|-4567890123456789
|
||||
|4567890123456789|-4567890123456789
|
||||
|4567890123456789|-4567890123456789
|
||||
SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
|
||||
five | plus | minus
|
||||
------+------------------+-------------------
|
||||
| 123 | -123
|
||||
| 123 | -123
|
||||
| 4567890123456789 | -4567890123456789
|
||||
| 4567890123456789 | -4567890123456789
|
||||
| 4567890123456789 | -4567890123456789
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1, q2, q1 + q2 AS plus FROM INT8_TBL;
|
||||
five| q1| q2| plus
|
||||
----+----------------+-----------------+----------------
|
||||
| 123| 456| 579
|
||||
| 123| 4567890123456789|4567890123456912
|
||||
|4567890123456789| 123|4567890123456912
|
||||
|4567890123456789| 4567890123456789|9135780246913578
|
||||
|4567890123456789|-4567890123456789| 0
|
||||
SELECT '' AS five, q1, q2, q1 + q2 AS plus FROM INT8_TBL;
|
||||
five | q1 | q2 | plus
|
||||
------+------------------+-------------------+------------------
|
||||
| 123 | 456 | 579
|
||||
| 123 | 4567890123456789 | 4567890123456912
|
||||
| 4567890123456789 | 123 | 4567890123456912
|
||||
| 4567890123456789 | 4567890123456789 | 9135780246913578
|
||||
| 4567890123456789 | -4567890123456789 | 0
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1, q2, q1 - q2 AS minus FROM INT8_TBL;
|
||||
five| q1| q2| minus
|
||||
----+----------------+-----------------+-----------------
|
||||
| 123| 456| -333
|
||||
| 123| 4567890123456789|-4567890123456666
|
||||
|4567890123456789| 123| 4567890123456666
|
||||
|4567890123456789| 4567890123456789| 0
|
||||
|4567890123456789|-4567890123456789| 9135780246913578
|
||||
SELECT '' AS five, q1, q2, q1 - q2 AS minus FROM INT8_TBL;
|
||||
five | q1 | q2 | minus
|
||||
------+------------------+-------------------+-------------------
|
||||
| 123 | 456 | -333
|
||||
| 123 | 4567890123456789 | -4567890123456666
|
||||
| 4567890123456789 | 123 | 4567890123456666
|
||||
| 4567890123456789 | 4567890123456789 | 0
|
||||
| 4567890123456789 | -4567890123456789 | 9135780246913578
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL
|
||||
SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL
|
||||
WHERE q1 < 1000 or (q2 > 0 and q2 < 1000);
|
||||
three| q1| q2| multiply
|
||||
-----+----------------+----------------+------------------
|
||||
| 123| 456| 56088
|
||||
| 123|4567890123456789|561850485185185047
|
||||
|4567890123456789| 123|561850485185185047
|
||||
three | q1 | q2 | multiply
|
||||
-------+------------------+------------------+--------------------
|
||||
| 123 | 456 | 56088
|
||||
| 123 | 4567890123456789 | 561850485185185047
|
||||
| 4567890123456789 | 123 | 561850485185185047
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1, q2, q1 / q2 AS divide FROM INT8_TBL;
|
||||
five| q1| q2| divide
|
||||
----+----------------+-----------------+--------------
|
||||
| 123| 456| 0
|
||||
| 123| 4567890123456789| 0
|
||||
|4567890123456789| 123|37137318076884
|
||||
|4567890123456789| 4567890123456789| 1
|
||||
|4567890123456789|-4567890123456789| -1
|
||||
SELECT '' AS five, q1, q2, q1 / q2 AS divide FROM INT8_TBL;
|
||||
five | q1 | q2 | divide
|
||||
------+------------------+-------------------+----------------
|
||||
| 123 | 456 | 0
|
||||
| 123 | 4567890123456789 | 0
|
||||
| 4567890123456789 | 123 | 37137318076884
|
||||
| 4567890123456789 | 4567890123456789 | 1
|
||||
| 4567890123456789 | -4567890123456789 | -1
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1, float8(q1) FROM INT8_TBL;
|
||||
five| q1|float8
|
||||
----+----------------+--------------------
|
||||
| 123|123
|
||||
| 123|123
|
||||
|4567890123456789|4.56789012345679e+15
|
||||
|4567890123456789|4.56789012345679e+15
|
||||
|4567890123456789|4.56789012345679e+15
|
||||
SELECT '' AS five, q1, float8(q1) FROM INT8_TBL;
|
||||
five | q1 | float8
|
||||
------+------------------+----------------------
|
||||
| 123 | 123
|
||||
| 123 | 123
|
||||
| 4567890123456789 | 4.56789012345679e+15
|
||||
| 4567890123456789 | 4.56789012345679e+15
|
||||
| 4567890123456789 | 4.56789012345679e+15
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q2, float8(q2) FROM INT8_TBL;
|
||||
five| q2|float8
|
||||
----+-----------------+---------------------
|
||||
| 456|456
|
||||
| 4567890123456789|4.56789012345679e+15
|
||||
| 123|123
|
||||
| 4567890123456789|4.56789012345679e+15
|
||||
|-4567890123456789|-4.56789012345679e+15
|
||||
SELECT '' AS five, q2, float8(q2) FROM INT8_TBL;
|
||||
five | q2 | float8
|
||||
------+-------------------+-----------------------
|
||||
| 456 | 456
|
||||
| 4567890123456789 | 4.56789012345679e+15
|
||||
| 123 | 123
|
||||
| 4567890123456789 | 4.56789012345679e+15
|
||||
| -4567890123456789 | -4.56789012345679e+15
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1, int8(float8(q1)) AS "two coercions" FROM INT8_TBL;
|
||||
five| q1| two coercions
|
||||
----+----------------+----------------
|
||||
| 123| 123
|
||||
| 123| 123
|
||||
|4567890123456789|4567890123456789
|
||||
|4567890123456789|4567890123456789
|
||||
|4567890123456789|4567890123456789
|
||||
SELECT '' AS five, q1, int8(float8(q1)) AS "two coercions" FROM INT8_TBL;
|
||||
five | q1 | two coercions
|
||||
------+------------------+------------------
|
||||
| 123 | 123
|
||||
| 123 | 123
|
||||
| 4567890123456789 | 4567890123456789
|
||||
| 4567890123456789 | 4567890123456789
|
||||
| 4567890123456789 | 4567890123456789
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, 2 * q1 AS "twice int4" FROM INT8_TBL;
|
||||
five| twice int4
|
||||
----+----------------
|
||||
| 246
|
||||
| 246
|
||||
|9135780246913578
|
||||
|9135780246913578
|
||||
|9135780246913578
|
||||
SELECT '' AS five, 2 * q1 AS "twice int4" FROM INT8_TBL;
|
||||
five | twice int4
|
||||
------+------------------
|
||||
| 246
|
||||
| 246
|
||||
| 9135780246913578
|
||||
| 9135780246913578
|
||||
| 9135780246913578
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS five, q1 * 2 AS "twice int4" FROM INT8_TBL;
|
||||
five| twice int4
|
||||
----+----------------
|
||||
| 246
|
||||
| 246
|
||||
|9135780246913578
|
||||
|9135780246913578
|
||||
|9135780246913578
|
||||
SELECT '' AS five, q1 * 2 AS "twice int4" FROM INT8_TBL;
|
||||
five | twice int4
|
||||
------+------------------
|
||||
| 246
|
||||
| 246
|
||||
| 9135780246913578
|
||||
| 9135780246913578
|
||||
| 9135780246913578
|
||||
(5 rows)
|
||||
|
||||
|
||||
@ -1,116 +1,124 @@
|
||||
QUERY: SELECT 'name string'::name = 'name string'::name AS "True";
|
||||
True
|
||||
----
|
||||
t
|
||||
--
|
||||
-- NAME
|
||||
-- all inputs are silently truncated at NAMEDATALEN (32) characters
|
||||
--
|
||||
-- fixed-length by reference
|
||||
SELECT name 'name string' = name 'name string' AS "True";
|
||||
True
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 'name string'::name = 'name string '::name AS "False";
|
||||
False
|
||||
-----
|
||||
f
|
||||
SELECT name 'name string' = name 'name string ' AS "False";
|
||||
False
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
QUERY: CREATE TABLE NAME_TBL(f1 name);
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('ABCDEFGHIJKLMNOP');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('abcdefghijklmnop');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('');
|
||||
QUERY: INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
|
||||
QUERY: SELECT '' AS seven, NAME_TBL.*;
|
||||
seven|f1
|
||||
-----+-------------------------------
|
||||
|ABCDEFGHIJKLMNOP
|
||||
|abcdefghijklmnop
|
||||
|asdfghjkl;
|
||||
|343f%2a
|
||||
|d34aaasdf
|
||||
|
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
--
|
||||
--
|
||||
--
|
||||
CREATE TABLE NAME_TBL(f1 name);
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('ABCDEFGHIJKLMNOP');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('abcdefghijklmnop');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('');
|
||||
INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
|
||||
SELECT '' AS seven, NAME_TBL.*;
|
||||
seven | f1
|
||||
-------+---------------------------------
|
||||
| ABCDEFGHIJKLMNOP
|
||||
| abcdefghijklmnop
|
||||
| asdfghjkl;
|
||||
| 343f%2a
|
||||
| d34aaasdf
|
||||
|
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(7 rows)
|
||||
|
||||
QUERY: SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> 'ABCDEFGHIJKLMNOP';
|
||||
six|f1
|
||||
---+-------------------------------
|
||||
|abcdefghijklmnop
|
||||
|asdfghjkl;
|
||||
|343f%2a
|
||||
|d34aaasdf
|
||||
|
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
SELECT '' AS six, c.f1 FROM NAME_TBL c WHERE c.f1 <> 'ABCDEFGHIJKLMNOP';
|
||||
six | f1
|
||||
-----+---------------------------------
|
||||
| abcdefghijklmnop
|
||||
| asdfghjkl;
|
||||
| 343f%2a
|
||||
| d34aaasdf
|
||||
|
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(6 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = 'ABCDEFGHIJKLMNOP';
|
||||
one|f1
|
||||
---+----------------
|
||||
|ABCDEFGHIJKLMNOP
|
||||
SELECT '' AS one, c.f1 FROM NAME_TBL c WHERE c.f1 = 'ABCDEFGHIJKLMNOP';
|
||||
one | f1
|
||||
-----+------------------
|
||||
| ABCDEFGHIJKLMNOP
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < 'ABCDEFGHIJKLMNOP';
|
||||
three|f1
|
||||
-----+-------------------------------
|
||||
|343f%2a
|
||||
|
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 < 'ABCDEFGHIJKLMNOP';
|
||||
three | f1
|
||||
-------+---------------------------------
|
||||
| 343f%2a
|
||||
|
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= 'ABCDEFGHIJKLMNOP';
|
||||
four|f1
|
||||
----+-------------------------------
|
||||
|ABCDEFGHIJKLMNOP
|
||||
|343f%2a
|
||||
|
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 <= 'ABCDEFGHIJKLMNOP';
|
||||
four | f1
|
||||
------+---------------------------------
|
||||
| ABCDEFGHIJKLMNOP
|
||||
| 343f%2a
|
||||
|
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > 'ABCDEFGHIJKLMNOP';
|
||||
three|f1
|
||||
-----+----------------
|
||||
|abcdefghijklmnop
|
||||
|asdfghjkl;
|
||||
|d34aaasdf
|
||||
SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 > 'ABCDEFGHIJKLMNOP';
|
||||
three | f1
|
||||
-------+------------------
|
||||
| abcdefghijklmnop
|
||||
| asdfghjkl;
|
||||
| d34aaasdf
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= 'ABCDEFGHIJKLMNOP';
|
||||
four|f1
|
||||
----+----------------
|
||||
|ABCDEFGHIJKLMNOP
|
||||
|abcdefghijklmnop
|
||||
|asdfghjkl;
|
||||
|d34aaasdf
|
||||
SELECT '' AS four, c.f1 FROM NAME_TBL c WHERE c.f1 >= 'ABCDEFGHIJKLMNOP';
|
||||
four | f1
|
||||
------+------------------
|
||||
| ABCDEFGHIJKLMNOP
|
||||
| abcdefghijklmnop
|
||||
| asdfghjkl;
|
||||
| d34aaasdf
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS seven, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
|
||||
seven|f1
|
||||
-----+-------------------------------
|
||||
|ABCDEFGHIJKLMNOP
|
||||
|abcdefghijklmnop
|
||||
|asdfghjkl;
|
||||
|343f%2a
|
||||
|d34aaasdf
|
||||
|
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
SELECT '' AS seven, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
|
||||
seven | f1
|
||||
-------+---------------------------------
|
||||
| ABCDEFGHIJKLMNOP
|
||||
| abcdefghijklmnop
|
||||
| asdfghjkl;
|
||||
| 343f%2a
|
||||
| d34aaasdf
|
||||
|
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(7 rows)
|
||||
|
||||
QUERY: SELECT '' AS zero, c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
|
||||
zero|f1
|
||||
----+--
|
||||
SELECT '' AS zero, c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
|
||||
zero | f1
|
||||
------+----
|
||||
(0 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
|
||||
three|f1
|
||||
-----+-------------------------------
|
||||
|343f%2a
|
||||
|d34aaasdf
|
||||
|1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
SELECT '' AS three, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
|
||||
three | f1
|
||||
-------+---------------------------------
|
||||
| 343f%2a
|
||||
| d34aaasdf
|
||||
| 1234567890ABCDEFGHIJKLMNOPQRSTU
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
|
||||
two|f1
|
||||
---+----------
|
||||
|asdfghjkl;
|
||||
|d34aaasdf
|
||||
SELECT '' AS two, c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
|
||||
two | f1
|
||||
-----+------------
|
||||
| asdfghjkl;
|
||||
| d34aaasdf
|
||||
(2 rows)
|
||||
|
||||
QUERY: DROP TABLE NAME_TBL;
|
||||
DROP TABLE NAME_TBL;
|
||||
|
||||
@ -1,64 +1,68 @@
|
||||
QUERY: CREATE TABLE OID_TBL(f1 oid);
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('1234');
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('1235');
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('987');
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('-1040');
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('');
|
||||
QUERY: INSERT INTO OID_TBL(f1) VALUES ('asdfasd');
|
||||
--
|
||||
-- OID
|
||||
--
|
||||
CREATE TABLE OID_TBL(f1 oid);
|
||||
INSERT INTO OID_TBL(f1) VALUES ('1234');
|
||||
INSERT INTO OID_TBL(f1) VALUES ('1235');
|
||||
INSERT INTO OID_TBL(f1) VALUES ('987');
|
||||
INSERT INTO OID_TBL(f1) VALUES ('-1040');
|
||||
INSERT INTO OID_TBL(f1) VALUES ('');
|
||||
-- bad inputs
|
||||
INSERT INTO OID_TBL(f1) VALUES ('asdfasd');
|
||||
ERROR: pg_atoi: error in "asdfasd": can't parse "asdfasd"
|
||||
QUERY: SELECT '' AS five, OID_TBL.*;
|
||||
five| f1
|
||||
----+-----
|
||||
| 1234
|
||||
| 1235
|
||||
| 987
|
||||
|-1040
|
||||
| 0
|
||||
SELECT '' AS five, OID_TBL.*;
|
||||
five | f1
|
||||
------+-------
|
||||
| 1234
|
||||
| 1235
|
||||
| 987
|
||||
| -1040
|
||||
| 0
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 = '1234'::oid;
|
||||
one| f1
|
||||
---+----
|
||||
|1234
|
||||
SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 = oid '1234';
|
||||
one | f1
|
||||
-----+------
|
||||
| 1234
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 <> '1234';
|
||||
four| f1
|
||||
----+-----
|
||||
| 1235
|
||||
| 987
|
||||
|-1040
|
||||
| 0
|
||||
SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 <> '1234';
|
||||
four | f1
|
||||
------+-------
|
||||
| 1235
|
||||
| 987
|
||||
| -1040
|
||||
| 0
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 <= '1234';
|
||||
four| f1
|
||||
----+-----
|
||||
| 1234
|
||||
| 987
|
||||
|-1040
|
||||
| 0
|
||||
SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 <= '1234';
|
||||
four | f1
|
||||
------+-------
|
||||
| 1234
|
||||
| 987
|
||||
| -1040
|
||||
| 0
|
||||
(4 rows)
|
||||
|
||||
QUERY: SELECT '' AS three, o.* FROM OID_TBL o WHERE o.f1 < '1234';
|
||||
three| f1
|
||||
-----+-----
|
||||
| 987
|
||||
|-1040
|
||||
| 0
|
||||
SELECT '' AS three, o.* FROM OID_TBL o WHERE o.f1 < '1234';
|
||||
three | f1
|
||||
-------+-------
|
||||
| 987
|
||||
| -1040
|
||||
| 0
|
||||
(3 rows)
|
||||
|
||||
QUERY: SELECT '' AS two, o.* FROM OID_TBL o WHERE o.f1 >= '1234';
|
||||
two| f1
|
||||
---+----
|
||||
|1234
|
||||
|1235
|
||||
SELECT '' AS two, o.* FROM OID_TBL o WHERE o.f1 >= '1234';
|
||||
two | f1
|
||||
-----+------
|
||||
| 1234
|
||||
| 1235
|
||||
(2 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 > '1234';
|
||||
one| f1
|
||||
---+----
|
||||
|1235
|
||||
SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 > '1234';
|
||||
one | f1
|
||||
-----+------
|
||||
| 1235
|
||||
(1 row)
|
||||
|
||||
QUERY: DROP TABLE OID_TBL;
|
||||
DROP TABLE OID_TBL;
|
||||
|
||||
@ -1,22 +1,25 @@
|
||||
QUERY: SELECT 'this is a text string'::text = 'this is a text string'::text AS true;
|
||||
true
|
||||
----
|
||||
t
|
||||
--
|
||||
-- TEXT
|
||||
--
|
||||
SELECT text 'this is a text string' = text 'this is a text string' AS true;
|
||||
true
|
||||
------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT 'this is a text string'::text = 'this is a text strin'::text AS false;
|
||||
false
|
||||
-----
|
||||
f
|
||||
SELECT text 'this is a text string' = text 'this is a text strin' AS false;
|
||||
false
|
||||
-------
|
||||
f
|
||||
(1 row)
|
||||
|
||||
QUERY: CREATE TABLE TEXT_TBL (f1 text);
|
||||
QUERY: INSERT INTO TEXT_TBL VALUES ('doh!');
|
||||
QUERY: INSERT INTO TEXT_TBL VALUES ('hi de ho neighbor');
|
||||
QUERY: SELECT '' AS two, * FROM TEXT_TBL;
|
||||
two|f1
|
||||
---+-----------------
|
||||
|doh!
|
||||
|hi de ho neighbor
|
||||
CREATE TABLE TEXT_TBL (f1 text);
|
||||
INSERT INTO TEXT_TBL VALUES ('doh!');
|
||||
INSERT INTO TEXT_TBL VALUES ('hi de ho neighbor');
|
||||
SELECT '' AS two, * FROM TEXT_TBL;
|
||||
two | f1
|
||||
-----+-------------------
|
||||
| doh!
|
||||
| hi de ho neighbor
|
||||
(2 rows)
|
||||
|
||||
|
||||
@ -1,98 +1,107 @@
|
||||
QUERY: CREATE TABLE VARCHAR_TBL(f1 varchar(1));
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES (2);
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
|
||||
QUERY: SELECT '' AS seven, VARCHAR_TBL.*;
|
||||
seven|f1
|
||||
-----+--
|
||||
|a
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
|c
|
||||
--
|
||||
-- VARCHAR
|
||||
--
|
||||
CREATE TABLE VARCHAR_TBL(f1 varchar(1));
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
|
||||
-- any of the following three input formats are acceptable
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES (2);
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
|
||||
-- zero-length char
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('');
|
||||
-- try varchar's of greater than 1 length
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
|
||||
SELECT '' AS seven, VARCHAR_TBL.*;
|
||||
seven | f1
|
||||
-------+----
|
||||
| a
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
| c
|
||||
(7 rows)
|
||||
|
||||
QUERY: SELECT '' AS six, c.*
|
||||
SELECT '' AS six, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 <> 'a';
|
||||
six|f1
|
||||
---+--
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
|c
|
||||
six | f1
|
||||
-----+----
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
| c
|
||||
(6 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, c.*
|
||||
SELECT '' AS one, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 = 'a';
|
||||
one|f1
|
||||
---+--
|
||||
|a
|
||||
one | f1
|
||||
-----+----
|
||||
| a
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS five, c.*
|
||||
SELECT '' AS five, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 < 'a';
|
||||
five|f1
|
||||
----+--
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
five | f1
|
||||
------+----
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
(5 rows)
|
||||
|
||||
QUERY: SELECT '' AS six, c.*
|
||||
SELECT '' AS six, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 <= 'a';
|
||||
six|f1
|
||||
---+--
|
||||
|a
|
||||
|A
|
||||
|1
|
||||
|2
|
||||
|3
|
||||
|
|
||||
six | f1
|
||||
-----+----
|
||||
| a
|
||||
| A
|
||||
| 1
|
||||
| 2
|
||||
| 3
|
||||
|
|
||||
(6 rows)
|
||||
|
||||
QUERY: SELECT '' AS one, c.*
|
||||
SELECT '' AS one, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 > 'a';
|
||||
one|f1
|
||||
---+--
|
||||
|c
|
||||
one | f1
|
||||
-----+----
|
||||
| c
|
||||
(1 row)
|
||||
|
||||
QUERY: SELECT '' AS two, c.*
|
||||
SELECT '' AS two, c.*
|
||||
FROM VARCHAR_TBL c
|
||||
WHERE c.f1 >= 'a';
|
||||
two|f1
|
||||
---+--
|
||||
|a
|
||||
|c
|
||||
two | f1
|
||||
-----+----
|
||||
| a
|
||||
| c
|
||||
(2 rows)
|
||||
|
||||
QUERY: DROP TABLE VARCHAR_TBL;
|
||||
QUERY: CREATE TABLE VARCHAR_TBL(f1 varchar(4));
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
|
||||
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
|
||||
QUERY: SELECT '' AS four, VARCHAR_TBL.*;
|
||||
four|f1
|
||||
----+----
|
||||
|a
|
||||
|ab
|
||||
|abcd
|
||||
|abcd
|
||||
DROP TABLE VARCHAR_TBL;
|
||||
--
|
||||
-- Now test longer arrays of char
|
||||
--
|
||||
CREATE TABLE VARCHAR_TBL(f1 varchar(4));
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
|
||||
INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
|
||||
SELECT '' AS four, VARCHAR_TBL.*;
|
||||
four | f1
|
||||
------+------
|
||||
| a
|
||||
| ab
|
||||
| abcd
|
||||
| abcd
|
||||
(4 rows)
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user