wasCSharpSQLite – Blame information for rev 1
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1 | office | 1 | # 2005 June 25 |
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 the CAST operator. |
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13 | # |
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14 | # $Id: cast.test,v 1.10 2008/11/06 15:33:04 drh Exp $ |
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15 | |||
16 | set testdir [file dirname $argv0] |
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17 | source $testdir/tester.tcl |
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18 | |||
19 | # Only run these tests if the build includes the CAST operator |
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20 | ifcapable !cast { |
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21 | finish_test |
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22 | return |
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23 | } |
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24 | |||
25 | # Tests for the CAST( AS blob), CAST( AS text) and CAST( AS numeric) built-ins |
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26 | # |
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27 | ifcapable bloblit { |
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28 | do_test cast-1.1 { |
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29 | execsql {SELECT x'616263'} |
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30 | } abc |
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31 | do_test cast-1.2 { |
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32 | execsql {SELECT typeof(x'616263')} |
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33 | } blob |
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34 | do_test cast-1.3 { |
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35 | execsql {SELECT CAST(x'616263' AS text)} |
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36 | } abc |
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37 | do_test cast-1.4 { |
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38 | execsql {SELECT typeof(CAST(x'616263' AS text))} |
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39 | } text |
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40 | do_test cast-1.5 { |
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41 | execsql {SELECT CAST(x'616263' AS numeric)} |
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42 | } 0 |
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43 | do_test cast-1.6 { |
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44 | execsql {SELECT typeof(CAST(x'616263' AS numeric))} |
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45 | } integer |
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46 | do_test cast-1.7 { |
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47 | execsql {SELECT CAST(x'616263' AS blob)} |
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48 | } abc |
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49 | do_test cast-1.8 { |
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50 | execsql {SELECT typeof(CAST(x'616263' AS blob))} |
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51 | } blob |
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52 | do_test cast-1.9 { |
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53 | execsql {SELECT CAST(x'616263' AS integer)} |
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54 | } 0 |
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55 | do_test cast-1.10 { |
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56 | execsql {SELECT typeof(CAST(x'616263' AS integer))} |
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57 | } integer |
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58 | } |
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59 | do_test cast-1.11 { |
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60 | execsql {SELECT null} |
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61 | } {{}} |
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62 | do_test cast-1.12 { |
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63 | execsql {SELECT typeof(NULL)} |
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64 | } null |
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65 | do_test cast-1.13 { |
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66 | execsql {SELECT CAST(NULL AS text)} |
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67 | } {{}} |
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68 | do_test cast-1.14 { |
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69 | execsql {SELECT typeof(CAST(NULL AS text))} |
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70 | } null |
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71 | do_test cast-1.15 { |
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72 | execsql {SELECT CAST(NULL AS numeric)} |
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73 | } {{}} |
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74 | do_test cast-1.16 { |
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75 | execsql {SELECT typeof(CAST(NULL AS numeric))} |
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76 | } null |
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77 | do_test cast-1.17 { |
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78 | execsql {SELECT CAST(NULL AS blob)} |
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79 | } {{}} |
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80 | do_test cast-1.18 { |
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81 | execsql {SELECT typeof(CAST(NULL AS blob))} |
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82 | } null |
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83 | do_test cast-1.19 { |
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84 | execsql {SELECT CAST(NULL AS integer)} |
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85 | } {{}} |
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86 | do_test cast-1.20 { |
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87 | execsql {SELECT typeof(CAST(NULL AS integer))} |
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88 | } null |
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89 | do_test cast-1.21 { |
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90 | execsql {SELECT 123} |
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91 | } {123} |
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92 | do_test cast-1.22 { |
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93 | execsql {SELECT typeof(123)} |
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94 | } integer |
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95 | do_test cast-1.23 { |
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96 | execsql {SELECT CAST(123 AS text)} |
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97 | } {123} |
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98 | do_test cast-1.24 { |
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99 | execsql {SELECT typeof(CAST(123 AS text))} |
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100 | } text |
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101 | do_test cast-1.25 { |
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102 | execsql {SELECT CAST(123 AS numeric)} |
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103 | } 123 |
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104 | do_test cast-1.26 { |
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105 | execsql {SELECT typeof(CAST(123 AS numeric))} |
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106 | } integer |
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107 | do_test cast-1.27 { |
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108 | execsql {SELECT CAST(123 AS blob)} |
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109 | } {123} |
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110 | do_test cast-1.28 { |
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111 | execsql {SELECT typeof(CAST(123 AS blob))} |
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112 | } blob |
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113 | do_test cast-1.29 { |
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114 | execsql {SELECT CAST(123 AS integer)} |
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115 | } {123} |
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116 | do_test cast-1.30 { |
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117 | execsql {SELECT typeof(CAST(123 AS integer))} |
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118 | } integer |
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119 | do_test cast-1.31 { |
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120 | execsql {SELECT 123.456} |
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121 | } {123.456} |
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122 | do_test cast-1.32 { |
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123 | execsql {SELECT typeof(123.456)} |
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124 | } real |
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125 | do_test cast-1.33 { |
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126 | execsql {SELECT CAST(123.456 AS text)} |
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127 | } {123.456} |
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128 | do_test cast-1.34 { |
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129 | execsql {SELECT typeof(CAST(123.456 AS text))} |
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130 | } text |
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131 | do_test cast-1.35 { |
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132 | execsql {SELECT CAST(123.456 AS numeric)} |
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133 | } 123.456 |
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134 | do_test cast-1.36 { |
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135 | execsql {SELECT typeof(CAST(123.456 AS numeric))} |
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136 | } real |
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137 | do_test cast-1.37 { |
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138 | execsql {SELECT CAST(123.456 AS blob)} |
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139 | } {123.456} |
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140 | do_test cast-1.38 { |
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141 | execsql {SELECT typeof(CAST(123.456 AS blob))} |
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142 | } blob |
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143 | do_test cast-1.39 { |
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144 | execsql {SELECT CAST(123.456 AS integer)} |
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145 | } {123} |
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146 | do_test cast-1.38 { |
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147 | execsql {SELECT typeof(CAST(123.456 AS integer))} |
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148 | } integer |
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149 | do_test cast-1.41 { |
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150 | execsql {SELECT '123abc'} |
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151 | } {123abc} |
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152 | do_test cast-1.42 { |
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153 | execsql {SELECT typeof('123abc')} |
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154 | } text |
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155 | do_test cast-1.43 { |
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156 | execsql {SELECT CAST('123abc' AS text)} |
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157 | } {123abc} |
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158 | do_test cast-1.44 { |
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159 | execsql {SELECT typeof(CAST('123abc' AS text))} |
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160 | } text |
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161 | do_test cast-1.45 { |
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162 | execsql {SELECT CAST('123abc' AS numeric)} |
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163 | } 123 |
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164 | do_test cast-1.46 { |
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165 | execsql {SELECT typeof(CAST('123abc' AS numeric))} |
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166 | } integer |
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167 | do_test cast-1.47 { |
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168 | execsql {SELECT CAST('123abc' AS blob)} |
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169 | } {123abc} |
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170 | do_test cast-1.48 { |
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171 | execsql {SELECT typeof(CAST('123abc' AS blob))} |
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172 | } blob |
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173 | do_test cast-1.49 { |
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174 | execsql {SELECT CAST('123abc' AS integer)} |
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175 | } 123 |
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176 | do_test cast-1.50 { |
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177 | execsql {SELECT typeof(CAST('123abc' AS integer))} |
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178 | } integer |
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179 | do_test cast-1.51 { |
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180 | execsql {SELECT CAST('123.5abc' AS numeric)} |
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181 | } 123.5 |
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182 | do_test cast-1.53 { |
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183 | execsql {SELECT CAST('123.5abc' AS integer)} |
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184 | } 123 |
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185 | |||
186 | do_test case-1.60 { |
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187 | execsql {SELECT CAST(null AS REAL)} |
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188 | } {{}} |
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189 | do_test case-1.61 { |
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190 | execsql {SELECT typeof(CAST(null AS REAL))} |
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191 | } {null} |
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192 | do_test case-1.62 { |
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193 | execsql {SELECT CAST(1 AS REAL)} |
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194 | } {1.0} |
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195 | do_test case-1.63 { |
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196 | execsql {SELECT typeof(CAST(1 AS REAL))} |
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197 | } {real} |
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198 | do_test case-1.64 { |
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199 | execsql {SELECT CAST('1' AS REAL)} |
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200 | } {1.0} |
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201 | do_test case-1.65 { |
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202 | execsql {SELECT typeof(CAST('1' AS REAL))} |
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203 | } {real} |
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204 | do_test case-1.66 { |
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205 | execsql {SELECT CAST('abc' AS REAL)} |
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206 | } {0.0} |
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207 | do_test case-1.67 { |
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208 | execsql {SELECT typeof(CAST('abc' AS REAL))} |
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209 | } {real} |
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210 | do_test case-1.68 { |
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211 | execsql {SELECT CAST(x'31' AS REAL)} |
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212 | } {1.0} |
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213 | do_test case-1.69 { |
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214 | execsql {SELECT typeof(CAST(x'31' AS REAL))} |
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215 | } {real} |
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216 | |||
217 | |||
218 | # Ticket #1662. Ignore leading spaces in numbers when casting. |
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219 | # |
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220 | do_test cast-2.1 { |
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221 | execsql {SELECT CAST(' 123' AS integer)} |
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222 | } 123 |
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223 | do_test cast-2.2 { |
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224 | execsql {SELECT CAST(' -123.456' AS real)} |
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225 | } -123.456 |
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226 | |||
227 | # ticket #2364. Use full percision integers if possible when casting |
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228 | # to numeric. Do not fallback to real (and the corresponding 48-bit |
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229 | # mantissa) unless absolutely necessary. |
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230 | # |
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231 | do_test cast-3.1 { |
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232 | execsql {SELECT CAST(9223372036854774800 AS integer)} |
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233 | } 9223372036854774800 |
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234 | do_test cast-3.2 { |
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235 | execsql {SELECT CAST(9223372036854774800 AS numeric)} |
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236 | } 9223372036854774800 |
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237 | do_realnum_test cast-3.3 { |
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238 | execsql {SELECT CAST(9223372036854774800 AS real)} |
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239 | } 9.22337203685477e+18 |
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240 | do_test cast-3.4 { |
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241 | execsql {SELECT CAST(CAST(9223372036854774800 AS real) AS integer)} |
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242 | } 9223372036854774784 |
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243 | do_test cast-3.5 { |
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244 | execsql {SELECT CAST(-9223372036854774800 AS integer)} |
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245 | } -9223372036854774800 |
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246 | do_test cast-3.6 { |
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247 | execsql {SELECT CAST(-9223372036854774800 AS numeric)} |
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248 | } -9223372036854774800 |
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249 | do_realnum_test cast-3.7 { |
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250 | execsql {SELECT CAST(-9223372036854774800 AS real)} |
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251 | } -9.22337203685477e+18 |
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252 | do_test cast-3.8 { |
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253 | execsql {SELECT CAST(CAST(-9223372036854774800 AS real) AS integer)} |
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254 | } -9223372036854774784 |
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255 | do_test cast-3.11 { |
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256 | execsql {SELECT CAST('9223372036854774800' AS integer)} |
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257 | } 9223372036854774800 |
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258 | do_test cast-3.12 { |
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259 | execsql {SELECT CAST('9223372036854774800' AS numeric)} |
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260 | } 9223372036854774800 |
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261 | do_realnum_test cast-3.13 { |
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262 | execsql {SELECT CAST('9223372036854774800' AS real)} |
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263 | } 9.22337203685477e+18 |
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264 | ifcapable long_double { |
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265 | do_test cast-3.14 { |
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266 | execsql {SELECT CAST(CAST('9223372036854774800' AS real) AS integer)} |
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267 | } 9223372036854774784 |
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268 | } |
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269 | do_test cast-3.15 { |
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270 | execsql {SELECT CAST('-9223372036854774800' AS integer)} |
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271 | } -9223372036854774800 |
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272 | do_test cast-3.16 { |
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273 | execsql {SELECT CAST('-9223372036854774800' AS numeric)} |
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274 | } -9223372036854774800 |
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275 | do_realnum_test cast-3.17 { |
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276 | execsql {SELECT CAST('-9223372036854774800' AS real)} |
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277 | } -9.22337203685477e+18 |
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278 | ifcapable long_double { |
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279 | do_test cast-3.18 { |
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280 | execsql {SELECT CAST(CAST('-9223372036854774800' AS real) AS integer)} |
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281 | } -9223372036854774784 |
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282 | } |
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283 | if {[db eval {PRAGMA encoding}]=="UTF-8"} { |
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284 | do_test cast-3.21 { |
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285 | execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS integer)} |
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286 | } 9223372036854774800 |
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287 | do_test cast-3.22 { |
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288 | execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS numeric)} |
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289 | } 9223372036854774800 |
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290 | do_realnum_test cast-3.23 { |
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291 | execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS real)} |
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292 | } 9.22337203685477e+18 |
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293 | ifcapable long_double { |
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294 | do_test cast-3.24 { |
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295 | execsql { |
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296 | SELECT CAST(CAST(x'39323233333732303336383534373734383030' AS real) |
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297 | AS integer) |
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298 | } |
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299 | } 9223372036854774784 |
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300 | } |
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301 | } |
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302 | do_test case-3.31 { |
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303 | execsql {SELECT CAST(NULL AS numeric)} |
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304 | } {{}} |
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305 | |||
306 | # Test to see if it is possible to trick SQLite into reading past |
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307 | # the end of a blob when converting it to a number. |
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308 | do_test cast-3.32.1 { |
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309 | set blob "1234567890" |
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310 | set DB [sqlite3_connection_pointer db] |
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311 | set ::STMT [sqlite3_prepare $DB {SELECT CAST(? AS real)} -1 TAIL] |
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312 | sqlite3_bind_blob -static $::STMT 1 $blob 5 |
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313 | sqlite3_step $::STMT |
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314 | } {SQLITE_ROW} |
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315 | do_test cast-3.32.2 { |
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316 | sqlite3_column_int $::STMT 0 |
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317 | } {12345} |
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318 | do_test cast-3.32.3 { |
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319 | sqlite3_finalize $::STMT |
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320 | } {SQLITE_OK} |
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321 | |||
322 | |||
323 | do_test cast-4.1 { |
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324 | db eval { |
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325 | CREATE TABLE t1(a); |
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326 | INSERT INTO t1 VALUES('abc'); |
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327 | SELECT a, CAST(a AS integer) FROM t1; |
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328 | } |
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329 | } {abc 0} |
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330 | do_test cast-4.2 { |
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331 | db eval { |
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332 | SELECT CAST(a AS integer), a FROM t1; |
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333 | } |
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334 | } {0 abc} |
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335 | do_test cast-4.3 { |
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336 | db eval { |
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337 | SELECT a, CAST(a AS integer), a FROM t1; |
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338 | } |
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339 | } {abc 0 abc} |
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340 | do_test cast-4.4 { |
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341 | db eval { |
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342 | SELECT CAST(a AS integer), a, CAST(a AS real), a FROM t1; |
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343 | } |
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344 | } {0 abc 0.0 abc} |
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345 | |||
346 | finish_test |