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