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| 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 db eval {PRAGMA legacy_file_format=OFF} | |
| 21 | |
| 22 # This procedure sets the value of the file-format in file 'test.db' | |
| 23 # to $newval. Also, the schema cookie is incremented. | |
| 24 # | |
| 25 proc set_file_format {newval} { | |
| 26 hexio_write test.db 44 [hexio_render_int32 $newval] | |
| 27 set schemacookie [hexio_get_int [hexio_read test.db 40 4]] | |
| 28 incr schemacookie | |
| 29 hexio_write test.db 40 [hexio_render_int32 $schemacookie] | |
| 30 return {} | |
| 31 } | |
| 32 | |
| 33 # This procedure returns the value of the file-format in file 'test.db'. | |
| 34 # | |
| 35 proc get_file_format {{fname test.db}} { | |
| 36 return [hexio_get_int [hexio_read $fname 44 4]] | |
| 37 } | |
| 38 | |
| 39 | |
| 40 # Verify that the file format starts as 4 | |
| 41 # | |
| 42 do_test descidx2-1.1 { | |
| 43 execsql { | |
| 44 CREATE TABLE t1(a,b); | |
| 45 CREATE INDEX i1 ON t1(b ASC); | |
| 46 } | |
| 47 get_file_format | |
| 48 } {4} | |
| 49 do_test descidx2-1.2 { | |
| 50 execsql { | |
| 51 CREATE INDEX i2 ON t1(a DESC); | |
| 52 } | |
| 53 get_file_format | |
| 54 } {4} | |
| 55 | |
| 56 # Before adding any information to the database, set the file format | |
| 57 # back to three. Then close and reopen the database. With the file | |
| 58 # format set to three, SQLite should ignore the DESC argument on the | |
| 59 # index. | |
| 60 # | |
| 61 do_test descidx2-2.0 { | |
| 62 set_file_format 3 | |
| 63 db close | |
| 64 sqlite3 db test.db | |
| 65 get_file_format | |
| 66 } {3} | |
| 67 | |
| 68 # Put some information in the table and verify that the DESC | |
| 69 # on the index is ignored. | |
| 70 # | |
| 71 do_test descidx2-2.1 { | |
| 72 execsql { | |
| 73 INSERT INTO t1 VALUES(1,1); | |
| 74 INSERT INTO t1 VALUES(2,2); | |
| 75 INSERT INTO t1 SELECT a+2, a+2 FROM t1; | |
| 76 INSERT INTO t1 SELECT a+4, a+4 FROM t1; | |
| 77 SELECT b FROM t1 WHERE a>3 AND a<7; | |
| 78 } | |
| 79 } {4 5 6} | |
| 80 do_test descidx2-2.2 { | |
| 81 execsql { | |
| 82 SELECT a FROM t1 WHERE b>3 AND b<7; | |
| 83 } | |
| 84 } {4 5 6} | |
| 85 do_test descidx2-2.3 { | |
| 86 execsql { | |
| 87 SELECT b FROM t1 WHERE a>=3 AND a<7; | |
| 88 } | |
| 89 } {3 4 5 6} | |
| 90 do_test descidx2-2.4 { | |
| 91 execsql { | |
| 92 SELECT b FROM t1 WHERE a>3 AND a<=7; | |
| 93 } | |
| 94 } {4 5 6 7} | |
| 95 do_test descidx2-2.5 { | |
| 96 execsql { | |
| 97 SELECT b FROM t1 WHERE a>=3 AND a<=7; | |
| 98 } | |
| 99 } {3 4 5 6 7} | |
| 100 do_test descidx2-2.6 { | |
| 101 execsql { | |
| 102 SELECT a FROM t1 WHERE b>=3 AND b<=7; | |
| 103 } | |
| 104 } {3 4 5 6 7} | |
| 105 | |
| 106 # This procedure executes the SQL. Then it checks to see if the OP_Sort | |
| 107 # opcode was executed. If an OP_Sort did occur, then "sort" is appended | |
| 108 # to the result. If no OP_Sort happened, then "nosort" is appended. | |
| 109 # | |
| 110 # This procedure is used to check to make sure sorting is or is not | |
| 111 # occurring as expected. | |
| 112 # | |
| 113 proc cksort {sql} { | |
| 114 set ::sqlite_sort_count 0 | |
| 115 set data [execsql $sql] | |
| 116 if {$::sqlite_sort_count} {set x sort} {set x nosort} | |
| 117 lappend data $x | |
| 118 return $data | |
| 119 } | |
| 120 | |
| 121 # Test sorting using a descending index. | |
| 122 # | |
| 123 do_test descidx2-3.1 { | |
| 124 cksort {SELECT a FROM t1 ORDER BY a} | |
| 125 } {1 2 3 4 5 6 7 8 nosort} | |
| 126 do_test descidx2-3.2 { | |
| 127 cksort {SELECT a FROM t1 ORDER BY a ASC} | |
| 128 } {1 2 3 4 5 6 7 8 nosort} | |
| 129 do_test descidx2-3.3 { | |
| 130 cksort {SELECT a FROM t1 ORDER BY a DESC} | |
| 131 } {8 7 6 5 4 3 2 1 nosort} | |
| 132 do_test descidx2-3.4 { | |
| 133 cksort {SELECT b FROM t1 ORDER BY a} | |
| 134 } {1 2 3 4 5 6 7 8 nosort} | |
| 135 do_test descidx2-3.5 { | |
| 136 cksort {SELECT b FROM t1 ORDER BY a ASC} | |
| 137 } {1 2 3 4 5 6 7 8 nosort} | |
| 138 do_test descidx2-3.6 { | |
| 139 cksort {SELECT b FROM t1 ORDER BY a DESC} | |
| 140 } {8 7 6 5 4 3 2 1 nosort} | |
| 141 do_test descidx2-3.7 { | |
| 142 cksort {SELECT a FROM t1 ORDER BY b} | |
| 143 } {1 2 3 4 5 6 7 8 nosort} | |
| 144 do_test descidx2-3.8 { | |
| 145 cksort {SELECT a FROM t1 ORDER BY b ASC} | |
| 146 } {1 2 3 4 5 6 7 8 nosort} | |
| 147 do_test descidx2-3.9 { | |
| 148 cksort {SELECT a FROM t1 ORDER BY b DESC} | |
| 149 } {8 7 6 5 4 3 2 1 nosort} | |
| 150 do_test descidx2-3.10 { | |
| 151 cksort {SELECT b FROM t1 ORDER BY b} | |
| 152 } {1 2 3 4 5 6 7 8 nosort} | |
| 153 do_test descidx2-3.11 { | |
| 154 cksort {SELECT b FROM t1 ORDER BY b ASC} | |
| 155 } {1 2 3 4 5 6 7 8 nosort} | |
| 156 do_test descidx2-3.12 { | |
| 157 cksort {SELECT b FROM t1 ORDER BY b DESC} | |
| 158 } {8 7 6 5 4 3 2 1 nosort} | |
| 159 | |
| 160 do_test descidx2-3.21 { | |
| 161 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a} | |
| 162 } {4 5 6 7 nosort} | |
| 163 do_test descidx2-3.22 { | |
| 164 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC} | |
| 165 } {4 5 6 7 nosort} | |
| 166 do_test descidx2-3.23 { | |
| 167 cksort {SELECT a FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC} | |
| 168 } {7 6 5 4 nosort} | |
| 169 do_test descidx2-3.24 { | |
| 170 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a} | |
| 171 } {4 5 6 7 nosort} | |
| 172 do_test descidx2-3.25 { | |
| 173 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a ASC} | |
| 174 } {4 5 6 7 nosort} | |
| 175 do_test descidx2-3.26 { | |
| 176 cksort {SELECT b FROM t1 WHERE a>3 AND a<8 ORDER BY a DESC} | |
| 177 } {7 6 5 4 nosort} | |
| 178 | |
| 179 finish_test | |
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