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1 # | |
2 # 2007 November 12 | |
3 # | |
4 # The author disclaims copyright to this source code. In place of | |
5 # a legal notice, here is a blessing: | |
6 # | |
7 # May you do good and not evil. | |
8 # May you find forgiveness for yourself and forgive others. | |
9 # May you share freely, never taking more than you give. | |
10 # | |
11 #*********************************************************************** | |
12 # This file implements regression tests for SQLite library. The | |
13 # focus of this script is making sure that the names of collation | |
14 # sequences may be quoted using double quotes in SQL statements. | |
15 # | |
16 # $Id: collate9.test,v 1.2 2008/07/10 00:32:42 drh Exp $ | |
17 | |
18 set testdir [file dirname $argv0] | |
19 source $testdir/tester.tcl | |
20 | |
21 proc reverse_sort {lhs rhs} { | |
22 return [string compare $rhs $lhs] | |
23 } | |
24 db collate "reverse sort" reverse_sort | |
25 | |
26 # This procedure executes the SQL. Then it checks to see if the OP_Sort | |
27 # opcode was executed. If an OP_Sort did occur, then "sort" is appended | |
28 # to the result. If no OP_Sort happened, then "nosort" is appended. | |
29 # | |
30 # This procedure is used to check to make sure sorting is or is not | |
31 # occurring as expected. | |
32 # | |
33 proc cksort {sql} { | |
34 set ::sqlite_sort_count 0 | |
35 set data [execsql $sql] | |
36 if {$::sqlite_sort_count} {set x sort} {set x nosort} | |
37 lappend data $x | |
38 return $data | |
39 } | |
40 | |
41 # Test plan: | |
42 # | |
43 # collate9-1.* - Test collation sequences attached to table columns | |
44 # collate9-2.* - Test collation sequences attached to expressions | |
45 # collate9-3.* - Test collation sequences attached to an index | |
46 # collate9-4.* - Test collation sequences as an argument to REINDEX | |
47 # | |
48 | |
49 do_test collate9-1.1 { | |
50 execsql { | |
51 CREATE TABLE xy(x COLLATE "reverse sort", y COLLATE binary); | |
52 INSERT INTO xy VALUES('one', 'one'); | |
53 INSERT INTO xy VALUES('two', 'two'); | |
54 INSERT INTO xy VALUES('three', 'three'); | |
55 } | |
56 } {} | |
57 do_test collate9-1.2 { | |
58 execsql { | |
59 SELECT x FROM xy ORDER BY x | |
60 } | |
61 } {two three one} | |
62 do_test collate9-1.3 { | |
63 execsql { | |
64 SELECT y FROM xy ORDER BY y | |
65 } | |
66 } {one three two} | |
67 do_test collate9-1.4 { | |
68 cksort { | |
69 SELECT x FROM xy ORDER BY x | |
70 } | |
71 } {two three one sort} | |
72 do_test collate9-1.5 { | |
73 execsql { | |
74 CREATE INDEX xy_i ON xy(x) | |
75 } | |
76 } {} | |
77 do_test collate9-1.6 { | |
78 cksort { | |
79 SELECT x FROM xy ORDER BY x | |
80 } | |
81 } {two three one nosort} | |
82 | |
83 do_test collate9-2.1 { | |
84 execsql { | |
85 SELECT x, x < 'seven' FROM xy ORDER BY x | |
86 } | |
87 } {two 1 three 1 one 0} | |
88 do_test collate9-2.2 { | |
89 execsql { | |
90 SELECT y, y < 'seven' FROM xy ORDER BY x | |
91 } | |
92 } {two 0 three 0 one 1} | |
93 do_test collate9-2.3 { | |
94 execsql { | |
95 SELECT y, y COLLATE "reverse sort" < 'seven' FROM xy ORDER BY x | |
96 } | |
97 } {two 1 three 1 one 0} | |
98 do_test collate9-2.4 { | |
99 execsql { | |
100 SELECT y FROM xy ORDER BY y | |
101 } | |
102 } {one three two} | |
103 do_test collate9-2.5 { | |
104 execsql { | |
105 SELECT y FROM xy ORDER BY y COLLATE "reverse sort" | |
106 } | |
107 } {two three one} | |
108 do_test collate9-2.6 { | |
109 execsql { | |
110 SELECT y COLLATE "reverse sort" AS aaa FROM xy ORDER BY aaa | |
111 } | |
112 } {two three one} | |
113 | |
114 do_test collate9-3.1 { | |
115 execsql { | |
116 CREATE INDEX xy_i2 ON xy(y COLLATE "reverse sort"); | |
117 } | |
118 } {} | |
119 do_test collate9-3.2 { | |
120 cksort { | |
121 SELECT y FROM xy ORDER BY y | |
122 } | |
123 } {one three two sort} | |
124 do_test collate9-3.3 { | |
125 cksort { | |
126 SELECT y FROM xy ORDER BY y COLLATE "reverse sort" | |
127 } | |
128 } {two three one nosort} | |
129 do_test collate9-3.4 { | |
130 cksort { | |
131 SELECT y AS aaa FROM xy ORDER BY aaa | |
132 } | |
133 } {one three two sort} | |
134 do_test collate9-3.5 { | |
135 cksort { | |
136 SELECT y COLLATE "reverse sort" AS aaa FROM xy ORDER BY aaa | |
137 } | |
138 } {two three one nosort} | |
139 | |
140 ifcapable reindex { | |
141 do_test collate9-4.1 { | |
142 execsql { | |
143 REINDEX "reverse sort" | |
144 } | |
145 } {} | |
146 | |
147 # Modify the "reverse sort" collation so that it now sorts in the same | |
148 # order as binary. | |
149 proc reverse_sort {lhs rhs} { | |
150 return [string compare $lhs $rhs] | |
151 } | |
152 | |
153 # The integrity check should now fail because the indexes created using | |
154 # "reverse sort" are no longer in sync with the collation sequence | |
155 # implementation. | |
156 do_test collate9-4.2 { | |
157 expr {"ok" eq [execsql { PRAGMA integrity_check }]} | |
158 } {0} | |
159 | |
160 do_test collate9-4.3 { | |
161 execsql { | |
162 REINDEX "reverse sort" | |
163 } | |
164 } {} | |
165 | |
166 # Integrity check should now pass. | |
167 do_test collate9-4.4 { | |
168 expr {"ok" eq [execsql { PRAGMA integrity_check }]} | |
169 } {1} | |
170 | |
171 do_test collate9-4.5 { | |
172 cksort { | |
173 SELECT x FROM xy ORDER BY x COLLATE "reverse sort" | |
174 } | |
175 } {one three two nosort} | |
176 } | |
177 | |
178 finish_test | |
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