wasCSharpSQLite – Blame information for rev 4

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1 office 1 # 2005 December 21
2 #
3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
5 #
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
9 #
10 #*************************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this script is descending indices.
13 #
14 # $Id: descidx2.test,v 1.5 2008/03/19 00:21:31 drh Exp $
15 #
16  
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
19  
20 # Do not use a codec for tests in this file, as the database file is
21 # manipulated directly using tcl scripts (using the [hexio_write] command).
22 #
23 do_not_use_codec
24  
25  
26 db eval {PRAGMA legacy_file_format=OFF}
27  
28 # This procedure sets the value of the file-format in file 'test.db'
29 # to $newval. Also, the schema cookie is incremented.
30 #
31 proc set_file_format {newval} {
32 hexio_write test.db 44 [hexio_render_int32 $newval]
33 set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
34 incr schemacookie
35 hexio_write test.db 40 [hexio_render_int32 $schemacookie]
36 return {}
37 }
38  
39 # This procedure returns the value of the file-format in file 'test.db'.
40 #
41 proc get_file_format {{fname test.db}} {
42 return [hexio_get_int [hexio_read $fname 44 4]]
43 }
44  
45  
46 # Verify that the file format starts as 4
47 #
48 do_test descidx2-1.1 {
49 execsql {
50 CREATE TABLE t1(a,b);
51 CREATE INDEX i1 ON t1(b ASC);
52 }
53 get_file_format
54 } {4}
55 do_test descidx2-1.2 {
56 execsql {
57 CREATE INDEX i2 ON t1(a DESC);
58 }
59 get_file_format
60 } {4}
61  
62 # Before adding any information to the database, set the file format
63 # back to three. Then close and reopen the database. With the file
64 # format set to three, SQLite should ignore the DESC argument on the
65 # index.
66 #
67 do_test descidx2-2.0 {
68 set_file_format 3
69 db close
70 sqlite3 db test.db
71 get_file_format
72 } {3}
73  
74 # Put some information in the table and verify that the DESC
75 # on the index is ignored.
76 #
77 do_test descidx2-2.1 {
78 execsql {
79 INSERT INTO t1 VALUES(1,1);
80 INSERT INTO t1 VALUES(2,2);
81 INSERT INTO t1 SELECT a+2, a+2 FROM t1;
82 INSERT INTO t1 SELECT a+4, a+4 FROM t1;
83 SELECT b FROM t1 WHERE a>3 AND a<7;
84 }
85 } {4 5 6}
86 do_test descidx2-2.2 {
87 execsql {
88 SELECT a FROM t1 WHERE b>3 AND b<7;
89 }
90 } {4 5 6}
91 do_test descidx2-2.3 {
92 execsql {
93 SELECT b FROM t1 WHERE a>=3 AND a<7;
94 }
95 } {3 4 5 6}
96 do_test descidx2-2.4 {
97 execsql {
98 SELECT b FROM t1 WHERE a>3 AND a<=7;
99 }
100 } {4 5 6 7}
101 do_test descidx2-2.5 {
102 execsql {
103 SELECT b FROM t1 WHERE a>=3 AND a<=7;
104 }
105 } {3 4 5 6 7}
106 do_test descidx2-2.6 {
107 execsql {
108 SELECT a FROM t1 WHERE b>=3 AND b<=7;
109 }
110 } {3 4 5 6 7}
111  
112 # This procedure executes the SQL. Then it checks to see if the OP_Sort
113 # opcode was executed. If an OP_Sort did occur, then "sort" is appended
114 # to the result. If no OP_Sort happened, then "nosort" is appended.
115 #
116 # This procedure is used to check to make sure sorting is or is not
117 # occurring as expected.
118 #
119 proc cksort {sql} {
120 set ::sqlite_sort_count 0
121 set data [execsql $sql]
122 if {$::sqlite_sort_count} {set x sort} {set x nosort}
123 lappend data $x
124 return $data
125 }
126  
127 # Test sorting using a descending index.
128 #
129 do_test descidx2-3.1 {
130 cksort {SELECT a FROM t1 ORDER BY a}
131 } {1 2 3 4 5 6 7 8 nosort}
132 do_test descidx2-3.2 {
133 cksort {SELECT a FROM t1 ORDER BY a ASC}
134 } {1 2 3 4 5 6 7 8 nosort}
135 do_test descidx2-3.3 {
136 cksort {SELECT a FROM t1 ORDER BY a DESC}
137 } {8 7 6 5 4 3 2 1 nosort}
138 do_test descidx2-3.4 {
139 cksort {SELECT b FROM t1 ORDER BY a}
140 } {1 2 3 4 5 6 7 8 nosort}
141 do_test descidx2-3.5 {
142 cksort {SELECT b FROM t1 ORDER BY a ASC}
143 } {1 2 3 4 5 6 7 8 nosort}
144 do_test descidx2-3.6 {
145 cksort {SELECT b FROM t1 ORDER BY a DESC}
146 } {8 7 6 5 4 3 2 1 nosort}
147 do_test descidx2-3.7 {
148 cksort {SELECT a FROM t1 ORDER BY b}
149 } {1 2 3 4 5 6 7 8 nosort}
150 do_test descidx2-3.8 {
151 cksort {SELECT a FROM t1 ORDER BY b ASC}
152 } {1 2 3 4 5 6 7 8 nosort}
153 do_test descidx2-3.9 {
154 cksort {SELECT a FROM t1 ORDER BY b DESC}
155 } {8 7 6 5 4 3 2 1 nosort}
156 do_test descidx2-3.10 {
157 cksort {SELECT b FROM t1 ORDER BY b}
158 } {1 2 3 4 5 6 7 8 nosort}
159 do_test descidx2-3.11 {
160 cksort {SELECT b FROM t1 ORDER BY b ASC}
161 } {1 2 3 4 5 6 7 8 nosort}
162 do_test descidx2-3.12 {
163 cksort {SELECT b FROM t1 ORDER BY b DESC}
164 } {8 7 6 5 4 3 2 1 nosort}
165  
166 do_test descidx2-3.21 {
167 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a}
168 } {4 5 6 7 nosort}
169 do_test descidx2-3.22 {
170 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC}
171 } {4 5 6 7 nosort}
172 do_test descidx2-3.23 {
173 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC}
174 } {7 6 5 4 nosort}
175 do_test descidx2-3.24 {
176 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a}
177 } {4 5 6 7 nosort}
178 do_test descidx2-3.25 {
179 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC}
180 } {4 5 6 7 nosort}
181 do_test descidx2-3.26 {
182 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC}
183 } {7 6 5 4 nosort}
184  
185 finish_test