wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2001 September 27 |
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 CREATE UNIQUE INDEX statement, |
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13 | # and primary keys, and the UNIQUE constraint on table columns |
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14 | # |
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15 | # $Id: unique.test,v 1.9 2009/05/02 15:46:47 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 | # Try to create a table with two primary keys. |
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21 | # (This is allowed in SQLite even that it is not valid SQL) |
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22 | # |
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23 | do_test unique-1.1 { |
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24 | catchsql { |
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25 | CREATE TABLE t1( |
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26 | a int PRIMARY KEY, |
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27 | b int PRIMARY KEY, |
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28 | c text |
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29 | ); |
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30 | } |
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31 | } {1 {table "t1" has more than one primary key}} |
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32 | do_test unique-1.1b { |
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33 | catchsql { |
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34 | CREATE TABLE t1( |
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35 | a int PRIMARY KEY, |
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36 | b int UNIQUE, |
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37 | c text |
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38 | ); |
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39 | } |
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40 | } {0 {}} |
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41 | do_test unique-1.2 { |
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42 | catchsql { |
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43 | INSERT INTO t1(a,b,c) VALUES(1,2,3) |
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44 | } |
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45 | } {0 {}} |
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46 | do_test unique-1.3 { |
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47 | catchsql { |
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48 | INSERT INTO t1(a,b,c) VALUES(1,3,4) |
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49 | } |
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50 | } {1 {column a is not unique}} |
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51 | do_test unique-1.4 { |
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52 | execsql { |
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53 | SELECT * FROM t1 ORDER BY a; |
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54 | } |
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55 | } {1 2 3} |
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56 | do_test unique-1.5 { |
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57 | catchsql { |
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58 | INSERT INTO t1(a,b,c) VALUES(3,2,4) |
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59 | } |
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60 | } {1 {column b is not unique}} |
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61 | do_test unique-1.6 { |
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62 | execsql { |
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63 | SELECT * FROM t1 ORDER BY a; |
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64 | } |
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65 | } {1 2 3} |
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66 | do_test unique-1.7 { |
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67 | catchsql { |
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68 | INSERT INTO t1(a,b,c) VALUES(3,4,5) |
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69 | } |
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70 | } {0 {}} |
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71 | do_test unique-1.8 { |
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72 | execsql { |
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73 | SELECT * FROM t1 ORDER BY a; |
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74 | } |
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75 | } {1 2 3 3 4 5} |
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76 | integrity_check unique-1.9 |
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77 | |||
78 | do_test unique-2.0 { |
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79 | execsql { |
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80 | DROP TABLE t1; |
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81 | CREATE TABLE t2(a int, b int); |
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82 | INSERT INTO t2(a,b) VALUES(1,2); |
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83 | INSERT INTO t2(a,b) VALUES(3,4); |
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84 | SELECT * FROM t2 ORDER BY a; |
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85 | } |
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86 | } {1 2 3 4} |
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87 | do_test unique-2.1 { |
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88 | catchsql { |
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89 | CREATE UNIQUE INDEX i2 ON t2(a) |
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90 | } |
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91 | } {0 {}} |
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92 | do_test unique-2.2 { |
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93 | catchsql { |
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94 | SELECT * FROM t2 ORDER BY a |
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95 | } |
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96 | } {0 {1 2 3 4}} |
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97 | do_test unique-2.3 { |
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98 | catchsql { |
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99 | INSERT INTO t2 VALUES(1,5); |
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100 | } |
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101 | } {1 {column a is not unique}} |
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102 | do_test unique-2.4 { |
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103 | catchsql { |
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104 | SELECT * FROM t2 ORDER BY a |
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105 | } |
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106 | } {0 {1 2 3 4}} |
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107 | do_test unique-2.5 { |
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108 | catchsql { |
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109 | DROP INDEX i2; |
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110 | SELECT * FROM t2 ORDER BY a; |
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111 | } |
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112 | } {0 {1 2 3 4}} |
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113 | do_test unique-2.6 { |
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114 | catchsql { |
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115 | INSERT INTO t2 VALUES(1,5) |
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116 | } |
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117 | } {0 {}} |
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118 | do_test unique-2.7 { |
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119 | catchsql { |
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120 | SELECT * FROM t2 ORDER BY a, b; |
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121 | } |
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122 | } {0 {1 2 1 5 3 4}} |
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123 | do_test unique-2.8 { |
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124 | catchsql { |
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125 | CREATE UNIQUE INDEX i2 ON t2(a); |
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126 | } |
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127 | } {1 {indexed columns are not unique}} |
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128 | do_test unique-2.9 { |
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129 | catchsql { |
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130 | CREATE INDEX i2 ON t2(a); |
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131 | } |
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132 | } {0 {}} |
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133 | integrity_check unique-2.10 |
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134 | |||
135 | # Test the UNIQUE keyword as used on two or more fields. |
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136 | # |
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137 | do_test unique-3.1 { |
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138 | catchsql { |
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139 | CREATE TABLE t3( |
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140 | a int, |
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141 | b int, |
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142 | c int, |
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143 | d int, |
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144 | unique(a,c,d) |
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145 | ); |
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146 | } |
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147 | } {0 {}} |
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148 | do_test unique-3.2 { |
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149 | catchsql { |
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150 | INSERT INTO t3(a,b,c,d) VALUES(1,2,3,4); |
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151 | SELECT * FROM t3 ORDER BY a,b,c,d; |
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152 | } |
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153 | } {0 {1 2 3 4}} |
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154 | do_test unique-3.3 { |
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155 | catchsql { |
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156 | INSERT INTO t3(a,b,c,d) VALUES(1,2,3,5); |
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157 | SELECT * FROM t3 ORDER BY a,b,c,d; |
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158 | } |
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159 | } {0 {1 2 3 4 1 2 3 5}} |
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160 | do_test unique-3.4 { |
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161 | catchsql { |
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162 | INSERT INTO t3(a,b,c,d) VALUES(1,4,3,5); |
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163 | SELECT * FROM t3 ORDER BY a,b,c,d; |
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164 | } |
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165 | } {1 {columns a, c, d are not unique}} |
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166 | integrity_check unique-3.5 |
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167 | |||
168 | # Make sure NULLs are distinct as far as the UNIQUE tests are |
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169 | # concerned. |
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170 | # |
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171 | do_test unique-4.1 { |
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172 | execsql { |
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173 | CREATE TABLE t4(a UNIQUE, b, c, UNIQUE(b,c)); |
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174 | INSERT INTO t4 VALUES(1,2,3); |
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175 | INSERT INTO t4 VALUES(NULL, 2, NULL); |
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176 | SELECT * FROM t4; |
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177 | } |
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178 | } {1 2 3 {} 2 {}} |
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179 | do_test unique-4.2 { |
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180 | catchsql { |
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181 | INSERT INTO t4 VALUES(NULL, 3, 4); |
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182 | } |
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183 | } {0 {}} |
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184 | do_test unique-4.3 { |
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185 | execsql { |
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186 | SELECT * FROM t4 |
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187 | } |
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188 | } {1 2 3 {} 2 {} {} 3 4} |
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189 | do_test unique-4.4 { |
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190 | catchsql { |
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191 | INSERT INTO t4 VALUES(2, 2, NULL); |
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192 | } |
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193 | } {0 {}} |
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194 | do_test unique-4.5 { |
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195 | execsql { |
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196 | SELECT * FROM t4 |
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197 | } |
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198 | } {1 2 3 {} 2 {} {} 3 4 2 2 {}} |
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199 | |||
200 | # Ticket #1301. Any NULL value in a set of unique columns should |
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201 | # cause the rows to be distinct. |
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202 | # |
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203 | do_test unique-4.6 { |
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204 | catchsql { |
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205 | INSERT INTO t4 VALUES(NULL, 2, NULL); |
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206 | } |
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207 | } {0 {}} |
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208 | do_test unique-4.7 { |
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209 | execsql {SELECT * FROM t4} |
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210 | } {1 2 3 {} 2 {} {} 3 4 2 2 {} {} 2 {}} |
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211 | do_test unique-4.8 { |
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212 | catchsql {CREATE UNIQUE INDEX i4a ON t4(a,b)} |
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213 | } {0 {}} |
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214 | do_test unique-4.9 { |
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215 | catchsql {CREATE UNIQUE INDEX i4b ON t4(a,b,c)} |
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216 | } {0 {}} |
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217 | do_test unique-4.10 { |
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218 | catchsql {CREATE UNIQUE INDEX i4c ON t4(b)} |
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219 | } {1 {indexed columns are not unique}} |
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220 | integrity_check unique-4.99 |
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221 | |||
222 | # Test the error message generation logic. In particular, make sure we |
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223 | # do not overflow the static buffer used to generate the error message. |
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224 | # |
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225 | do_test unique-5.1 { |
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226 | execsql { |
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227 | CREATE TABLE t5( |
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228 | first_column_with_long_name, |
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229 | second_column_with_long_name, |
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230 | third_column_with_long_name, |
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231 | fourth_column_with_long_name, |
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232 | fifth_column_with_long_name, |
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233 | sixth_column_with_long_name, |
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234 | UNIQUE( |
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235 | first_column_with_long_name, |
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236 | second_column_with_long_name, |
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237 | third_column_with_long_name, |
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238 | fourth_column_with_long_name, |
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239 | fifth_column_with_long_name, |
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240 | sixth_column_with_long_name |
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241 | ) |
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242 | ); |
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243 | INSERT INTO t5 VALUES(1,2,3,4,5,6); |
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244 | SELECT * FROM t5; |
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245 | } |
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246 | } {1 2 3 4 5 6} |
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247 | do_test unique-5.2 { |
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248 | catchsql { |
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249 | INSERT INTO t5 VALUES(1,2,3,4,5,6); |
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250 | } |
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251 | } {1 {columns first_column_with_long_name, second_column_with_long_name, third_column_with_long_name, fourth_column_with_long_name, fifth_column_with_long_name, sixth_column_with_long_name are not unique}} |
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252 | |||
253 | finish_test |