summaryrefslogtreecommitdiffstats
path: root/contrib/bool_plperl/expected/bool_plperl.out
blob: 187df8db96f9ee1de3074369ace8f2ba0823f131 (plain)
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
CREATE EXTENSION bool_plperl CASCADE;
NOTICE:  installing required extension "plperl"
--- test transforming from perl
CREATE FUNCTION perl2int(int) RETURNS bool
LANGUAGE plperl
TRANSFORM FOR TYPE bool
AS $$
return shift;
$$;
CREATE FUNCTION perl2text(text) RETURNS bool
LANGUAGE plperl
TRANSFORM FOR TYPE bool
AS $$
return shift;
$$;
CREATE FUNCTION perl2undef() RETURNS bool
LANGUAGE plperl
TRANSFORM FOR TYPE bool
AS $$
return undef;
$$;
SELECT perl2int(1);
 perl2int 
----------
 t
(1 row)

SELECT perl2int(0);
 perl2int 
----------
 f
(1 row)

SELECT perl2text('foo');
 perl2text 
-----------
 t
(1 row)

SELECT perl2text('');
 perl2text 
-----------
 f
(1 row)

SELECT perl2undef() IS NULL AS p;
 p 
---
 t
(1 row)

--- test transforming to perl
CREATE FUNCTION bool2perl(bool, bool, bool) RETURNS void
LANGUAGE plperl
TRANSFORM FOR TYPE bool, for type boolean  -- duplicate to test ruleutils
AS $$
my ($x, $y, $z) = @_;

die("NULL mistransformed") if (defined($z));
die("TRUE mistransformed to UNDEF") if (!defined($x));
die("FALSE mistransformed to UNDEF") if (!defined($y));
die("TRUE mistransformed") if (!$x);
die("FALSE mistransformed") if ($y);
$$;
SELECT bool2perl (true, false, NULL);
 bool2perl 
-----------
 
(1 row)

--- test ruleutils
\sf bool2perl
CREATE OR REPLACE FUNCTION public.bool2perl(boolean, boolean, boolean)
 RETURNS void
 TRANSFORM FOR TYPE boolean, FOR TYPE boolean
 LANGUAGE plperl
AS $function$
my ($x, $y, $z) = @_;

die("NULL mistransformed") if (defined($z));
die("TRUE mistransformed to UNDEF") if (!defined($x));
die("FALSE mistransformed to UNDEF") if (!defined($y));
die("TRUE mistransformed") if (!$x);
die("FALSE mistransformed") if ($y);
$function$
--- test selecting bool through SPI
CREATE FUNCTION spi_test()  RETURNS void
LANGUAGE plperl
TRANSFORM FOR TYPE bool
AS $$
my $rv = spi_exec_query('SELECT true t, false f, NULL n')->{rows}->[0];

die("TRUE mistransformed to UNDEF in SPI") if (!defined ($rv->{t}));
die("FALSE mistransformed to UNDEF in SPI") if (!defined ($rv->{f}));
die("NULL mistransformed in SPI") if (defined ($rv->{n}));
die("TRUE mistransformed in SPI") if (!$rv->{t});
die("FALSE mistransformed in SPI") if ($rv->{f});
$$;
SELECT spi_test();
 spi_test 
----------
 
(1 row)

DROP EXTENSION plperl CASCADE;
NOTICE:  drop cascades to 6 other objects
DETAIL:  drop cascades to function spi_test()
drop cascades to extension bool_plperl
drop cascades to function perl2int(integer)
drop cascades to function perl2text(text)
drop cascades to function perl2undef()
drop cascades to function bool2perl(boolean,boolean,boolean)