wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2007 June 8 |
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 file is testing NULL comparisons in the WHERE clause. |
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13 | # See ticket #2404. |
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14 | # |
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15 | # $Id: where5.test,v 1.2 2007/06/08 08:43:10 drh Exp $ |
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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 | # Build some test data |
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21 | # |
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22 | do_test where5-1.0 { |
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23 | execsql { |
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24 | CREATE TABLE t1(x TEXT); |
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25 | CREATE TABLE t2(x INTEGER); |
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26 | CREATE TABLE t3(x INTEGER PRIMARY KEY); |
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27 | INSERT INTO t1 VALUES(-1); |
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28 | INSERT INTO t1 VALUES(0); |
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29 | INSERT INTO t1 VALUES(1); |
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30 | INSERT INTO t2 SELECT * FROM t1; |
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31 | INSERT INTO t3 SELECT * FROM t2; |
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32 | } |
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33 | execsql { |
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34 | SELECT * FROM t1 WHERE x<0 |
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35 | } |
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36 | } {-1} |
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37 | do_test where5-1.1 { |
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38 | execsql { |
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39 | SELECT * FROM t1 WHERE x<=0 |
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40 | } |
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41 | } {-1 0} |
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42 | do_test where5-1.2 { |
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43 | execsql { |
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44 | SELECT * FROM t1 WHERE x=0 |
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45 | } |
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46 | } {0} |
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47 | do_test where5-1.3 { |
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48 | execsql { |
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49 | SELECT * FROM t1 WHERE x>=0 |
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50 | } |
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51 | } {0 1} |
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52 | do_test where5-1.4 { |
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53 | execsql { |
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54 | SELECT * FROM t1 WHERE x>0 |
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55 | } |
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56 | } {1} |
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57 | do_test where5-1.5 { |
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58 | execsql { |
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59 | SELECT * FROM t1 WHERE x<>0 |
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60 | } |
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61 | } {-1 1} |
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62 | do_test where5-1.6 { |
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63 | execsql { |
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64 | SELECT * FROM t1 WHERE x<NULL |
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65 | } |
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66 | } {} |
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67 | do_test where5-1.7 { |
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68 | execsql { |
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69 | SELECT * FROM t1 WHERE x<=NULL |
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70 | } |
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71 | } {} |
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72 | do_test where5-1.8 { |
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73 | execsql { |
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74 | SELECT * FROM t1 WHERE x=NULL |
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75 | } |
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76 | } {} |
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77 | do_test where5-1.9 { |
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78 | execsql { |
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79 | SELECT * FROM t1 WHERE x>=NULL |
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80 | } |
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81 | } {} |
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82 | do_test where5-1.10 { |
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83 | execsql { |
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84 | SELECT * FROM t1 WHERE x>NULL |
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85 | } |
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86 | } {} |
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87 | do_test where5-1.11 { |
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88 | execsql { |
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89 | SELECT * FROM t1 WHERE x!=NULL |
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90 | } |
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91 | } {} |
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92 | do_test where5-1.12 { |
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93 | execsql { |
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94 | SELECT * FROM t1 WHERE x IS NULL |
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95 | } |
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96 | } {} |
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97 | do_test where5-1.13 { |
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98 | execsql { |
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99 | SELECT * FROM t1 WHERE x IS NOT NULL |
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100 | } |
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101 | } {-1 0 1} |
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102 | |||
103 | |||
104 | do_test where5-2.0 { |
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105 | execsql { |
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106 | SELECT * FROM t2 WHERE x<0 |
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107 | } |
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108 | } {-1} |
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109 | do_test where5-2.1 { |
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110 | execsql { |
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111 | SELECT * FROM t2 WHERE x<=0 |
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112 | } |
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113 | } {-1 0} |
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114 | do_test where5-2.2 { |
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115 | execsql { |
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116 | SELECT * FROM t2 WHERE x=0 |
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117 | } |
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118 | } {0} |
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119 | do_test where5-2.3 { |
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120 | execsql { |
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121 | SELECT * FROM t2 WHERE x>=0 |
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122 | } |
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123 | } {0 1} |
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124 | do_test where5-2.4 { |
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125 | execsql { |
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126 | SELECT * FROM t2 WHERE x>0 |
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127 | } |
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128 | } {1} |
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129 | do_test where5-2.5 { |
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130 | execsql { |
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131 | SELECT * FROM t2 WHERE x<>0 |
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132 | } |
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133 | } {-1 1} |
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134 | do_test where5-2.6 { |
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135 | execsql { |
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136 | SELECT * FROM t2 WHERE x<NULL |
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137 | } |
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138 | } {} |
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139 | do_test where5-2.7 { |
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140 | execsql { |
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141 | SELECT * FROM t2 WHERE x<=NULL |
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142 | } |
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143 | } {} |
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144 | do_test where5-2.8 { |
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145 | execsql { |
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146 | SELECT * FROM t2 WHERE x=NULL |
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147 | } |
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148 | } {} |
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149 | do_test where5-2.9 { |
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150 | execsql { |
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151 | SELECT * FROM t2 WHERE x>=NULL |
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152 | } |
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153 | } {} |
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154 | do_test where5-2.10 { |
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155 | execsql { |
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156 | SELECT * FROM t2 WHERE x>NULL |
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157 | } |
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158 | } {} |
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159 | do_test where5-2.11 { |
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160 | execsql { |
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161 | SELECT * FROM t2 WHERE x!=NULL |
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162 | } |
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163 | } {} |
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164 | do_test where5-2.12 { |
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165 | execsql { |
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166 | SELECT * FROM t2 WHERE x IS NULL |
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167 | } |
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168 | } {} |
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169 | do_test where5-2.13 { |
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170 | execsql { |
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171 | SELECT * FROM t2 WHERE x IS NOT NULL |
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172 | } |
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173 | } {-1 0 1} |
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174 | |||
175 | |||
176 | do_test where5-3.0 { |
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177 | execsql { |
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178 | SELECT * FROM t3 WHERE x<0 |
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179 | } |
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180 | } {-1} |
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181 | do_test where5-3.1 { |
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182 | execsql { |
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183 | SELECT * FROM t3 WHERE x<=0 |
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184 | } |
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185 | } {-1 0} |
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186 | do_test where5-3.2 { |
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187 | execsql { |
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188 | SELECT * FROM t3 WHERE x=0 |
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189 | } |
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190 | } {0} |
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191 | do_test where5-3.3 { |
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192 | execsql { |
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193 | SELECT * FROM t3 WHERE x>=0 |
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194 | } |
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195 | } {0 1} |
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196 | do_test where5-3.4 { |
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197 | execsql { |
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198 | SELECT * FROM t3 WHERE x>0 |
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199 | } |
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200 | } {1} |
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201 | do_test where5-3.5 { |
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202 | execsql { |
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203 | SELECT * FROM t3 WHERE x<>0 |
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204 | } |
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205 | } {-1 1} |
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206 | do_test where5-3.6 { |
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207 | execsql { |
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208 | SELECT * FROM t3 WHERE x<NULL |
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209 | } |
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210 | } {} |
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211 | do_test where5-3.7 { |
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212 | execsql { |
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213 | SELECT * FROM t3 WHERE x<=NULL |
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214 | } |
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215 | } {} |
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216 | do_test where5-3.8 { |
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217 | execsql { |
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218 | SELECT * FROM t3 WHERE x=NULL |
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219 | } |
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220 | } {} |
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221 | do_test where5-3.9 { |
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222 | execsql { |
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223 | SELECT * FROM t3 WHERE x>=NULL |
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224 | } |
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225 | } {} |
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226 | do_test where5-3.10 { |
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227 | execsql { |
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228 | SELECT * FROM t3 WHERE x>NULL |
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229 | } |
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230 | } {} |
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231 | do_test where5-3.11 { |
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232 | execsql { |
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233 | SELECT * FROM t3 WHERE x!=NULL |
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234 | } |
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235 | } {} |
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236 | do_test where5-3.12 { |
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237 | execsql { |
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238 | SELECT * FROM t3 WHERE x IS NULL |
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239 | } |
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240 | } {} |
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241 | do_test where5-3.13 { |
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242 | execsql { |
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243 | SELECT * FROM t3 WHERE x IS NOT NULL |
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244 | } |
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245 | } {-1 0 1} |
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246 | |||
247 | do_test where5-4.0 { |
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248 | execsql { |
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249 | SELECT x<NULL FROM t3 |
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250 | } |
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251 | } {{} {} {}} |
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252 | do_test where5-4.1 { |
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253 | execsql { |
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254 | SELECT x<=NULL FROM t3 |
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255 | } |
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256 | } {{} {} {}} |
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257 | do_test where5-4.2 { |
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258 | execsql { |
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259 | SELECT x==NULL FROM t3 |
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260 | } |
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261 | } {{} {} {}} |
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262 | do_test where5-4.3 { |
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263 | execsql { |
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264 | SELECT x>NULL FROM t3 |
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265 | } |
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266 | } {{} {} {}} |
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267 | do_test where5-4.4 { |
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268 | execsql { |
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269 | SELECT x>=NULL FROM t3 |
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270 | } |
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271 | } {{} {} {}} |
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272 | do_test where5-4.5 { |
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273 | execsql { |
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274 | SELECT x!=NULL FROM t3 |
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275 | } |
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276 | } {{} {} {}} |
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277 | do_test where5-4.6 { |
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278 | execsql { |
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279 | SELECT x IS NULL FROM t3 |
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280 | } |
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281 | } {0 0 0} |
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282 | do_test where5-4.7 { |
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283 | execsql { |
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284 | SELECT x IS NOT NULL FROM t3 |
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285 | } |
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286 | } {1 1 1} |
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287 | |||
288 | finish_test |