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