1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
--
-- boolean.source
--
-- $Header: /cvsroot/pgsql/src/test/regress/sql/boolean.sql,v 1.5 1997/12/01 02:45:59 thomas Exp $
--
--
-- sanity check - if this fails go insane!
--
SELECT 1 AS one;
-- ******************testing built-in type bool********************
-- check bool type-casting as well as and, or, not in qualifications--
SELECT 't'::bool AS true;
SELECT 'f'::bool AS false;
SELECT 't'::bool or 'f'::bool AS true;
SELECT 't'::bool and 'f'::bool AS false;
SELECT not 'f'::bool AS true;
SELECT 't'::bool = 'f'::bool AS false;
SELECT 't'::bool <> 'f'::bool AS true;
CREATE TABLE BOOLTBL1 (f1 bool);
INSERT INTO BOOLTBL1 (f1) VALUES ('t'::bool);
INSERT INTO BOOLTBL1 (f1) VALUES ('True'::bool);
INSERT INTO BOOLTBL1 (f1) VALUES ('true'::bool);
-- BOOLTBL1 should be full of true's at this point
SELECT '' AS t_3, BOOLTBL1.*;
SELECT '' AS t_3, BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 = 'true'::bool;
SELECT '' AS t_3, BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 <> 'false'::bool;
SELECT '' AS zero, BOOLTBL1.*
FROM BOOLTBL1
WHERE booleq('false'::bool, f1);
INSERT INTO BOOLTBL1 (f1) VALUES ('f'::bool);
SELECT '' AS f_1, BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 = 'false'::bool;
CREATE TABLE BOOLTBL2 (f1 bool);
INSERT INTO BOOLTBL2 (f1) VALUES ('f'::bool);
INSERT INTO BOOLTBL2 (f1) VALUES ('false'::bool);
INSERT INTO BOOLTBL2 (f1) VALUES ('False'::bool);
INSERT INTO BOOLTBL2 (f1) VALUES ('FALSE'::bool);
-- This is now an invalid expression
-- For pre-v6.3 this evaluated to false - thomas 1997-10-23
INSERT INTO BOOLTBL2 (f1)
VALUES ('XXX'::bool);
-- BOOLTBL2 should be full of false's at this point
SELECT '' AS f_4, BOOLTBL2.*;
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = 'false'::bool;
SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = 'true'::bool
ORDER BY BOOLTBL1.f1, BOOLTBL2.f1;
--
-- SQL92 syntax - thomas 1997-11-30
--
SELECT '' AS "True", BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 IS TRUE;
SELECT '' AS "Not False", BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 IS NOT FALSE;
SELECT '' AS "False", BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 IS FALSE;
SELECT '' AS "Not True", BOOLTBL1.*
FROM BOOLTBL1
WHERE f1 IS NOT TRUE;
--
-- 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;
|
