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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
--
-- first, define the datatype. Turn off echoing so that expected file
-- does not depend on contents of hstore.sql.
--
SET client_min_messages = warning;
\set ECHO none
\i hstore.sql
\set ECHO all
RESET client_min_messages;
set escape_string_warning=off;
--hstore;
select ''::hstore;
select 'a=>b'::hstore;
select ' a=>b'::hstore;
select 'a =>b'::hstore;
select 'a=>b '::hstore;
select 'a=> b'::hstore;
select '"a"=>"b"'::hstore;
select ' "a"=>"b"'::hstore;
select '"a" =>"b"'::hstore;
select '"a"=>"b" '::hstore;
select '"a"=> "b"'::hstore;
select 'aa=>bb'::hstore;
select ' aa=>bb'::hstore;
select 'aa =>bb'::hstore;
select 'aa=>bb '::hstore;
select 'aa=> bb'::hstore;
select '"aa"=>"bb"'::hstore;
select ' "aa"=>"bb"'::hstore;
select '"aa" =>"bb"'::hstore;
select '"aa"=>"bb" '::hstore;
select '"aa"=> "bb"'::hstore;
select 'aa=>bb, cc=>dd'::hstore;
select 'aa=>bb , cc=>dd'::hstore;
select 'aa=>bb ,cc=>dd'::hstore;
select 'aa=>bb, "cc"=>dd'::hstore;
select 'aa=>bb , "cc"=>dd'::hstore;
select 'aa=>bb ,"cc"=>dd'::hstore;
select 'aa=>"bb", cc=>dd'::hstore;
select 'aa=>"bb" , cc=>dd'::hstore;
select 'aa=>"bb" ,cc=>dd'::hstore;
select 'aa=>null'::hstore;
select 'aa=>NuLl'::hstore;
select 'aa=>"NuLl"'::hstore;
select '\\=a=>q=w'::hstore;
select '"=a"=>q\\=w'::hstore;
select '"\\"a"=>q>w'::hstore;
select '\\"a=>q"w'::hstore;
select ''::hstore;
select ' '::hstore;
-- -> operator
select 'aa=>b, c=>d , b=>16'::hstore->'c';
select 'aa=>b, c=>d , b=>16'::hstore->'b';
select 'aa=>b, c=>d , b=>16'::hstore->'aa';
select ('aa=>b, c=>d , b=>16'::hstore->'gg') is null;
select ('aa=>NULL, c=>d , b=>16'::hstore->'aa') is null;
select ('aa=>"NULL", c=>d , b=>16'::hstore->'aa') is null;
-- exists/defined
select exist('a=>NULL, b=>qq', 'a');
select exist('a=>NULL, b=>qq', 'b');
select exist('a=>NULL, b=>qq', 'c');
select exist('a=>"NULL", b=>qq', 'a');
select defined('a=>NULL, b=>qq', 'a');
select defined('a=>NULL, b=>qq', 'b');
select defined('a=>NULL, b=>qq', 'c');
select defined('a=>"NULL", b=>qq', 'a');
-- delete
select delete('a=>1 , b=>2, c=>3'::hstore, 'a');
select delete('a=>null , b=>2, c=>3'::hstore, 'a');
select delete('a=>1 , b=>2, c=>3'::hstore, 'b');
select delete('a=>1 , b=>2, c=>3'::hstore, 'c');
select delete('a=>1 , b=>2, c=>3'::hstore, 'd');
-- ||
select 'aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f';
select 'aa=>1 , b=>2, cq=>3'::hstore || 'aq=>l';
select 'aa=>1 , b=>2, cq=>3'::hstore || 'aa=>l';
select 'aa=>1 , b=>2, cq=>3'::hstore || '';
select ''::hstore || 'cq=>l, b=>g, fg=>f';
-- =>
select 'a=>g, b=>c'::hstore || ( 'asd'=>'gf' );
select 'a=>g, b=>c'::hstore || ( 'b'=>'gf' );
select 'a=>g, b=>c'::hstore || ( 'b'=>'NULL' );
select 'a=>g, b=>c'::hstore || ( 'b'=>NULL );
-- keys/values
select akeys('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
select akeys('""=>1');
select akeys('');
select avals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
select avals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>NULL');
select avals('""=>1');
select avals('');
select * from skeys('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
select * from skeys('""=>1');
select * from skeys('');
select * from svals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>f');
select *, svals is null from svals('aa=>1 , b=>2, cq=>3'::hstore || 'cq=>l, b=>g, fg=>NULL');
select * from svals('""=>1');
select * from svals('');
select * from each('aaa=>bq, b=>NULL, ""=>1 ');
-- @>
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b, c=>NULL';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b, g=>NULL';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'g=>NULL';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>c';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b';
select 'a=>b, b=>1, c=>NULL'::hstore @> 'a=>b, c=>q';
CREATE TABLE testhstore (h hstore);
\copy testhstore from 'data/hstore.data'
select count(*) from testhstore where h @> 'wait=>NULL';
select count(*) from testhstore where h @> 'wait=>CC';
select count(*) from testhstore where h @> 'wait=>CC, public=>t';
select count(*) from testhstore where h ? 'public';
create index hidx on testhstore using gist(h);
set enable_seqscan=off;
select count(*) from testhstore where h @> 'wait=>NULL';
select count(*) from testhstore where h @> 'wait=>CC';
select count(*) from testhstore where h @> 'wait=>CC, public=>t';
select count(*) from testhstore where h ? 'public';
drop index hidx;
create index hidx on testhstore using gin (h);
set enable_seqscan=off;
select count(*) from testhstore where h @> 'wait=>NULL';
select count(*) from testhstore where h @> 'wait=>CC';
select count(*) from testhstore where h @> 'wait=>CC, public=>t';
select count(*) from testhstore where h ? 'public';
select count(*) from (select (each(h)).key from testhstore) as wow ;
select key, count(*) from (select (each(h)).key from testhstore) as wow group by key order by count desc, key;
|